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"paper_id": "Y11-1027", |
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"date_generated": "2023-01-19T13:39:30.367250Z" |
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}, |
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"title": "Creating the Open Wordnet Bahasa \u22c6", |
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"authors": [ |
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{ |
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"first": "Nurril", |
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"middle": [], |
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"last": "Hirfana", |
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"institution": "Nanyang University of Technology", |
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"email": "hirfananoor@yahoo.com" |
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{ |
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"first": "Mohamed", |
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"middle": [], |
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"last": "Noor", |
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"suffix": "", |
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"institution": "Nanyang University of Technology", |
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"location": {} |
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"email": "" |
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{ |
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"first": "Suerya", |
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"middle": [], |
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"last": "Sapuan", |
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"suffix": "", |
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"affiliation": { |
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"institution": "Nanyang University of Technology", |
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"email": "suerya.sapuan@gmail.com" |
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{ |
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"first": "Francis", |
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"middle": [], |
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"last": "Bond", |
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"institution": "Nanyang University of Technology", |
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"email": "bond@ieee.org" |
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"abstract": "This paper outlines the creation of the Wordnet Bahasa as a resource for the study of lexical semantics in the Malay language. It is created by combining information from several lexical resources: the French-English-Malay dictionary FEM, the KAmus Melayu-Inggeris KAMI, and wordnets for English, French and Chinese. Construction went through three steps: (i) automatic building of word candidates; (ii) evaluation and selection of acceptable candidates from merging of lexicons; (iii) final hand check of the 5,000 core synsets. Our Wordnet Bahasa is only in the first phase of building a full fledged wordNet and needs to be further expanded, however it is already large enough to be useful for sense tagging both Malay and Indonesian.", |
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"text": "This paper outlines the creation of the Wordnet Bahasa as a resource for the study of lexical semantics in the Malay language. It is created by combining information from several lexical resources: the French-English-Malay dictionary FEM, the KAmus Melayu-Inggeris KAMI, and wordnets for English, French and Chinese. Construction went through three steps: (i) automatic building of word candidates; (ii) evaluation and selection of acceptable candidates from merging of lexicons; (iii) final hand check of the 5,000 core synsets. Our Wordnet Bahasa is only in the first phase of building a full fledged wordNet and needs to be further expanded, however it is already large enough to be useful for sense tagging both Malay and Indonesian.", |
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"section": "Abstract", |
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{ |
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"text": "The dictionary is a very important lexical resource in any field of studies. However, WordNet, originally created by academics at Princeton University, is just as important if not greater (Fellbaum, 1998) . In fact, it is a source of reference that takes the traditional dictionary to a whole new level. While a dictionary can provide information such as the meaning, synonyms and parts of speech, and can organise them in alphabetical order, a wordnet is able to organise the words into a set of cognitive synonyms (synsets) which express distinct concepts. This reason has been the motivation for the creation of the various wordnets for various languages.", |
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"cite_spans": [ |
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{ |
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"start": 188, |
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"end": 204, |
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"text": "(Fellbaum, 1998)", |
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"ref_id": "BIBREF8" |
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"section": "Introduction", |
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"sec_num": "1" |
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}, |
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"text": "There is currently no wordnet available for Malay despite the great number of wordnets available for many languages. Hence, this paper will attempt to create a lexical database for the Malay language based on alignments with other lexical resources -the French-English-Malay (FEM) dictionary, the English wordnet, KAMI and wordnets for Chinese and French. Crossing lexicons over several languages contributes to the accuracy of the Wordnet Bahasa. This wordnet will be released under an open source license (Creative Commons Attribution) in order to make it fully accessible to all potential users.", |
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"section": "Introduction", |
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"sec_num": "1" |
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"text": "Bahasa Melayu \"the Malay language\" is one that had been standardized over time with the aim of formal usage of the language. It derived from the variety of Malay languages that exist in the different parts of the Malay Archipelago, and is now widely used in Malaysia, Singapore, parts of Thailand and Brunei. The language spoken in Indonesia (Bahasa Indonesia) is very similar, and largely mutually intelligible. In this paper we will use Malay for standard Malay (the official language of Malaysia, ISO 639-3 code zsm), Indonesian to refer to the official language of Indonesia (ind) and Bahasa to refer to the generic Malay language that includes both (msa). Bahasa is the official language of four South Eastern Asian countries, namely Malaysia, Indonesia, Brunei and Singapore. Some people from The Philippines, Thailand, Burma, Sri Lanka, Cocos Island and Christmas Island also use it. There are about 40 million native Bahasa speakers worldwide. 1 Spelling reforms in the 1970s harmonized the orthographic conventions of Malay and Indonesian, making the written forms very similar (Asmah Haji Omar, 1975 ). Because of the enormous overlap in vocabulary (close to 98% by our measure, see Section 4.3) we decided it was possible to create a single wordnet for both languages: the Wordnet Bahasa. The vast majority of words are usable for both Malay and Indonesian and we specially mark those words that are used exclusively in one language. We hope that by building a single, open wordnet for both Malay and Indonesian we can help to create a strong lexical resource for the region.", |
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"start": 952, |
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"text": "1", |
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"start": 1087, |
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"text": "(Asmah Haji Omar, 1975", |
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"ref_id": "BIBREF0" |
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"section": "Introduction", |
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"text": "The most common approaches to building a wordnet for a new language are automatic or semi automatic approaches. There are two main methods: the merge and the extend approach (Vossen, 2005) . The merge approach would require the construction of an independent lexicon for a certain language based on monolingual resources, after which, it is mapped to other wordnets. The extend approach on the other hand is executed by obtaining a set of synsets from Princeton WordNet (PWN), and then translating it into the target language. This method allows the preservation of the original structure of the wordnet. We have opted for the extend approach both because of its simplicity and because the resulting wordnet is automatically aligned to all other wordnets.", |
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"start": 174, |
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"end": 188, |
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"text": "(Vossen, 2005)", |
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"ref_id": "BIBREF20" |
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"section": "Previous Work", |
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"sec_num": "2" |
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"text": "The idea of extending the synsets with reference from not just the PWN but at least one other wordnet in a different language provides a much stronger foundation laid before the construction of a new wordnet. In Bond et al. (2008) , the authors pointed out that by using wordnets in multiple languages to disambiguate the target language (Japanese in their study), a more reliable prototype could be provided. This multiple-pivot technique was then adapted to suit the needs of the Wordnet Bahasa, as will be explained in the next section.", |
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"start": 212, |
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"end": 230, |
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"text": "Bond et al. (2008)", |
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"ref_id": "BIBREF2" |
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"section": "Previous Work", |
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"text": "There has already been some work on building wordnets for Malay and Indonesian. Lim and Hussein (2006) serves as a good head start for the building of a Malay wordnet. The paper suggests finding the prototype based on sense alignments with Kamus Inggeris Melayu Dewan (KIMD) and the English wordnet.", |
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"end": 102, |
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"text": "Lim and Hussein (2006)", |
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"ref_id": "BIBREF13" |
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"text": "According to Lim and Hussein (2006) , this \". . . fast prototyping exercise (would require the creation of) semantic relations between the Malay synsets based on the existing relations between their English equivalents\". This method is an elaboration of the merge methodology. Lim and Hussein (2006) managed to build 12,429 noun synsets and 5,805 verb synsets. While this is by no means exhaustive, it is at the very least a rough gage of the minimum possible range of words in a Malay wordnet. In the final discussion of the paper, Lim and Hussein (2006) point out that the bottleneck for their prototype \"is in the dictionary used\". Unfortunately, we do not have access to the same Malay lexicon, so we cannot directly implement their approach.", |
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"text": "Lim and Hussein (2006)", |
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"text": "Lim and Hussein (2006)", |
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"text": "There have been two approaches to building an Indonesian wordnet. The first was an expand approach, and created a small prototype (Putra et al., 2008) . The second also used an expand approach, and then corrected entries using the infrastructure from the Asian Wordnet Project (Riza et al., 2010) . The Indonesian Wordnet at the Asian Wordnet currently has 33,726 synsets; 38,394 words and 65,206 senses (word-synset pairs). 2 The lexicons used to expand were bilingual English-Indonesian and thus did not enable the use of multiple pivots.", |
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"text": "(Putra et al., 2008)", |
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"ref_id": "BIBREF15" |
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"start": 277, |
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"end": 296, |
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"text": "(Riza et al., 2010)", |
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"text": "2", |
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"text": "We used two lexicons: FEM, which contains entries with French, English and Malay as well as hypernyms in French; and KAMI, which contains Malay, English and Chinese as well as semantic classes from the Goi-Taikei ontology.", |
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"section": "Resources", |
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"sec_num": "3" |
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"text": "We used four wordnets: one for English, one for Chinese and two for French as the original French Wordnet has not been maintained, so we supplemented it with the new Wordnet Liber\u00e9 du Fran\u00e7ais (WOLF). As these map to different versions of the English WordNet, we used mappings to harmonize them (Daude et al., 2003) . To map between the Goi-Taikei ontology and wordnet, we used the mappings produced by CoreNet (Kang et al., 2010) .", |
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"cite_spans": [ |
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{ |
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"start": 295, |
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"end": 315, |
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"text": "(Daude et al., 2003)", |
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"ref_id": "BIBREF4" |
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}, |
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{ |
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"start": 411, |
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"end": 430, |
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"text": "(Kang et al., 2010)", |
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"ref_id": "BIBREF10" |
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"section": "Resources", |
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"sec_num": "3" |
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"text": "We used two lexicons FEM and KAMI.", |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "The Malay-English Dictionary KAMI: KAmus Melayu-Inggeris was compiled by NTT-MSC (Quah et al., 2001 ), based on a dictionary produced originally by a translation company. The dictionary currently has 67,670 Malay words with English translations. 69% have only one translation, 19% have two, 7% have three; the average number of translations is 1.57, giving 106,558 Malay-English pairs.", |
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"start": 81, |
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"end": 99, |
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"text": "(Quah et al., 2001", |
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"ref_id": "BIBREF16" |
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} |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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"text": "Each entry in the dictionary consists of the following fields: (1) Malay index word;", |
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"cite_spans": [], |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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"text": "(2) Malay root word; (3) Malay POS; (4) detailed syntactic features; (5) semantic classes; (6) English translation; (7) English comments; (8) Chinese translation. All entries have values for fields 1,2 and 3; most have syntactic features. 22% have Chinese translations and 28% have semantic classes from the Goi-Taikei (GT) ontology (Ikehara et al., 1997) . The Goi-Taikei ontology consists of 2,710 semantic classes, providing an upper level ontology. It was originally designed for Japanese, but has also been used for Chinese, English, Korean and Malay.", |
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"cite_spans": [ |
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{ |
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"start": 333, |
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"end": 355, |
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"text": "(Ikehara et al., 1997)", |
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"ref_id": "BIBREF9" |
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} |
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], |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "English and Chinese translations and comments are provided for use in a machine translation system, as well as an aid for non-Malay speakers. Semantic classes were automatically produced from a variety of sources, including deducing them from the associated classifiers and finding them in other lexicons or resources such as International Standard Organization (ISO) language and currency names (Quah et al., 2001) , and still contains some errors.", |
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"cite_spans": [ |
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"start": 396, |
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"end": 415, |
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"text": "(Quah et al., 2001)", |
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"ref_id": "BIBREF16" |
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} |
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], |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "We also used FEM: the French-English-Malay Lexicon (Lafourcade et al., 2003) . We combined the general lexicon and a specialist lexicon of computational terms, giving 33,022 lexical entries. Each entry comes with: (1) French headword; (2) pronunciation; (3) part of speech; (4) superordinate term in French (46% of entries); (5) English equivalent; (6) Malay equivalent; (7) French example (30%); (8) English example (30%); (9) Malay example (30%). The dictionary had been automatically compiled and hand-corrected with some errors remaining, especially in the Malay equivalents.", |
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{ |
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"start": 51, |
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"end": 76, |
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"text": "(Lafourcade et al., 2003)", |
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"ref_id": "BIBREF12" |
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} |
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], |
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"eq_spans": [], |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "We converted both lexicons to the following format (ignoring fields that we won't use):", |
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"cite_spans": [], |
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"ref_spans": [], |
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"eq_spans": [], |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "(", |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "1) \uf8ee \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8f0 lexical entry Malay m 0 , . . . m n English e 0 , . . . e m French/Chinese f 0 , . . . f o Part-of-Speech noun, verb, adjective, adverb, other Hypernym French word | GT class \uf8f9 \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fb", |
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"cite_spans": [], |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "Each entry has one or more words in Malay, English and French/Chinese plus possibly a hypernym, expressed either as a French word or as Goi-Taikei semantic class. They also have a part-of-speech which we map into either one of the four open classes used in WordNet, or the class other which is used for closed class words.", |
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"section": "Malay Lexicons", |
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"sec_num": "3.1" |
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}, |
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{ |
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"text": "Because we had dictionaries linking Malay to English, Chinese and French, we needed wordnets for these three languages, summarized in Table 1 . For English, we used the Princeton WordNet (Fellbaum, 1998) , the original wordnet, and the largest so far. For Chinese, we used the Chinese Wordnet created by (Xu et al., 2008) , with some normalization (removing bracketed data, leading and trailing punctuation and white space, removing affixes attached to adjectives and adverbs such as \u7684 de and \u5730 zi). For French, we created a new wordnet (which we will just call the French Wordnet) by combining entries from the French part of Euro WordNet (Vossen, 1998) and the Wordnet Liber\u00e9 du Fran\u00e7ais (Sagot and Fi\u0161er, 2008) . The combined wordnet had considerably better coverage than either of its components.", |
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{ |
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"start": 187, |
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"end": 203, |
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"text": "(Fellbaum, 1998)", |
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"ref_id": "BIBREF8" |
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}, |
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{ |
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"start": 304, |
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"end": 321, |
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"text": "(Xu et al., 2008)", |
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"ref_id": "BIBREF21" |
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}, |
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{ |
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"start": 640, |
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"end": 654, |
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"text": "(Vossen, 1998)", |
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"ref_id": null |
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"start": 690, |
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"end": 713, |
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"text": "(Sagot and Fi\u0161er, 2008)", |
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"start": 134, |
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"text": "Table 1", |
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"section": "WordNets and Mappings", |
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"sec_num": "3.2" |
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"text": "All of the wordnets were linked to some version of the English wordnet (shown in Table 1 ). We used the mappings produced by Daude et al. (2003) To map between the Goi-Taikei (GT) ontology and PWN, we used the mappings produced by CoreNet (Kang et al., 2010) . CoreNet is an extension of Goi-Taikei to Chinese and Korean. These consist of a table matching CoreNet classes to one or more wordnet synsets. We were also given a table matching GT classes to CoreNet classes. The GT-CoreNet mapping is very accurate, as CoreNet design was strongly influenced by Goi-Taikei (Korterm, 2005) . The CoreNet-wordnet mapping is automatically produced, we found it quite accurate. We crossed the two tables to get a single GT-corenet-wordnet mapping.", |
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"start": 125, |
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"end": 144, |
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"text": "Daude et al. (2003)", |
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"ref_id": "BIBREF4" |
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{ |
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"text": "(Kang et al., 2010)", |
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"ref_id": "BIBREF10" |
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"start": 568, |
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"text": "(Korterm, 2005)", |
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"sec_num": "3.2" |
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"text": "The combined wordnets can be thought of as having entries like the following (ignoring irrelevant information).", |
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{ |
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"text": "2) \uf8ee \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8ef \uf8f0 synset Lexemes \uf8ee \uf8ef \uf8f0 English e 0 , . . . e m Chinese c 0 , . . . c n French f 0 , . . . f o \uf8f9 \uf8fa \uf8fb Part-of-Speech noun, verb, adjective, adverb Relations \uf8ee \uf8ef \uf8f0 Hypernym synset Meronym synset . . . \uf8f9 \uf8fa \uf8fb \uf8f9 \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fa \uf8fb", |
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"cite_spans": [], |
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"section": "WordNets and Mappings", |
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"sec_num": "3.2" |
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}, |
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{ |
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"text": "Building the Wordnet Bahasa was done in three steps: (i) automatically building candidates; (ii) evaluating and selecting acceptable groups; (iii) hand correcting the 5,000 most common concepts (core synsets).", |
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"cite_spans": [], |
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"section": "Method", |
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"sec_num": "4" |
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}, |
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{ |
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"text": "The construction broadly follows the matching through multiple pivot approach of Bond and Ogura (2007) . We want to match lexical entries (which have Malay words associated with them) to wordnet synsets. For each word in the lexicon, we try to link to each synset that has the same part-of-speech. We have three pivots for this: the English term, the French or Chinese term and the hypernym.", |
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"cite_spans": [ |
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{ |
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"start": 81, |
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"end": 102, |
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"text": "Bond and Ogura (2007)", |
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"ref_id": "BIBREF3" |
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} |
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"section": "Automatic Construction", |
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"sec_num": "4.1" |
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}, |
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{ |
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"text": "We first link through the terms, and then, for each synset that matched, we see if the hypernym is compatible with the synset's hypernyms.", |
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"cite_spans": [], |
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"ref_spans": [], |
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"section": "Automatic Construction", |
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"sec_num": "4.1" |
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}, |
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{ |
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"text": "We will give an example for the following entries.", |
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"cite_spans": [], |
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"section": "Automatic Construction", |
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"sec_num": "4.1" |
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}, |
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{ |
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"text": "(3 Considering the FEM entry for {busur, bow, arc} (3), we look up the combined wordnet and find one entry (5a) that matches in two languages, and several that match in only one (we only show 5b). We then look at the semantic class, and using the combined wordnet, find that arme \"weapon\" gives a synset which is a hypernym of (5a), but not (5b). We thus have a strong match to the correct synset.", |
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"cite_spans": [], |
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"section": "Automatic Construction", |
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"sec_num": "4.1" |
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}, |
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{ |
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"text": "When we come to the KAMI entry for {busur, bow, \u5f13} (4), we look up wordnet and also find one entry (5a) that matches in two languages, and several that match in only one (we only show 5b). When we look up the semantic class, the GT-corenet-wordnet mapping leads to the synset for tool \"an implement used in the practice of a vocation\", which is not a hypernym of any of the candidates. 4 We thus have a reasonable link to the correct synset, and only weak links to the others.", |
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"cite_spans": [ |
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{ |
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"start": 386, |
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"end": 387, |
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"text": "4", |
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"ref_id": null |
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"section": "Automatic Construction", |
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"sec_num": "4.1" |
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}, |
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{ |
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"text": "The process of matching is straightforward, the major effort was in getting all the lexical resources into compatible formats. As was shown in this example, typically there would be small errors in one or more of the resources. Actual matching was done with a series of one-off python scripts using the Natural Language Toolkit's wordnet interface (Bird et al., 2009) to calculate the hypernym relation.", |
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"cite_spans": [ |
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{ |
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"start": 348, |
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"end": 367, |
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"text": "(Bird et al., 2009)", |
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"ref_id": "BIBREF1" |
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} |
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"section": "Automatic Construction", |
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"sec_num": "4.1" |
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}, |
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{ |
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"text": "After matching all the candidates, we wanted to identify those that could be used as is, with an acceptable level of error. We considered the following criteria in selection:", |
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"section": "Selection", |
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"sec_num": "4.2" |
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{ |
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"text": "uniq lexical entry matched only one synset in this case we considered it monosemous so the match should be good multi lexical entry matched through two languages as ambiguity is expressed differently in different languages, matching through two gives a much stronger match more lexical entry matched more than one word (in one languages) for entries with multiple words in the same language, if these all matched the same synset it suggests it is a better match sem lexical entry's hypernym was compatible If a word and its hypernym both match, then it should be semantically compatible", |
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"cite_spans": [], |
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"section": "Selection", |
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"sec_num": "4.2" |
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}, |
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{ |
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"text": "We took a random sample of a hundred entries from each combination of these features. The major groups are shown in Table 2 , including those entries that just matched through one word (one) which we did not check for accuracy as we expected the accuracy to be low. Any combination that had fewer than 100 candidates was completely hand checked, there were 417 examples of these (such as sem+uniq+multi). Checking was done by the first and second authors, who are bilingual in Malaysian and English. When one author was unsure, they checked with the other, with standard reference lexicons for Malaysian and Indonesian (Dewan Bahasa dan Pustaka, 2005; Pusat Bahasa, 2008) We chose the fairly low threshold of 85% accuracy, as we judged coverage to be extremely important, and it is easier to remove bad entries than add new ones.", |
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"cite_spans": [ |
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{ |
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"start": 626, |
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"end": 651, |
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"text": "Bahasa dan Pustaka, 2005;", |
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"ref_id": "BIBREF5" |
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}, |
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{ |
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"start": 652, |
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"end": 671, |
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"text": "Pusat Bahasa, 2008)", |
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"ref_id": "BIBREF14" |
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} |
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], |
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"ref_spans": [ |
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{ |
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"start": 116, |
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"end": 123, |
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"text": "Table 2", |
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"ref_id": "TABREF3" |
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} |
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], |
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"eq_spans": [], |
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"section": "Selection", |
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"sec_num": "4.2" |
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}, |
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{ |
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"text": "We merged the candidates from the two dictionaries, grouping things in to only four groups: good according to the selection above. ok in that it matched two or more criteria and -if there was only one supporting match.", |
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"cite_spans": [], |
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"ref_spans": [], |
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"section": "Selection", |
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"sec_num": "4.2" |
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}, |
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{ |
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"text": "When we merged if each dictionary marked a sense as ok, we upgraded it to good, based on a random sample of a 100 such entries. This happened to a further 3,533 entries. Because of overlap in the two resources, the numbers in the merged lexicon are less than the sum of the individual lexicons.", |
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"section": "Selection", |
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"sec_num": "4.2" |
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{ |
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"text": "In order to make sure of the reliability of the most common synsets, we hand corrected the 5,000 core synsets: the most common synsets used in the British National Corpus 5 (Fellbaum and Vossen, 2007) . After mapping to WordNet 3.0, the actual list has the 4,960 synsets. All candidates for these entries were hand-checked, regardless of how well they matched. There were a total of 99,061 sense candidates, of which 15,951 were judged to be good. During this process, candidates that were only used in either Malay or Indonesian were marked as such. The default assumption is that a sense (synset-word) mapping can be used in either Malay or Indonesian (which we tag as Bahasa). If it is restricted to use in one or the other, then we tag it as Malay or Indonesian.", |
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{ |
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"start": 173, |
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"end": 200, |
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"text": "(Fellbaum and Vossen, 2007)", |
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"ref_id": "BIBREF7" |
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} |
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"section": "Correction", |
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"sec_num": "4.3" |
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{ |
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"text": "The resulting Wordnet Bahasa counting hand-checked and high-quality automatic candidates has 19,207 synsets, 48,111 senses and 19,460 unique words. This is still quite small, in terms of types, but as the high frequency synsets are all in, it should have high token coverage when used to tag text. The average ambiguity is high ( |senses| |words| = 2.47), but this because of the high frequency (and thus highly polysemous) entries. If we take out the high frequency synsets and consider just the average ambiguity of the high-quality automatic candidates it is only 1.05.", |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "Looking at the results in section 4.2, we can see that adding the hypernym matching gave us over a quarter of the good entries (the sem cell for FEM in Table 2 ). The hypernym matching was less useful for KAMI-an analysis of errors showed that this was mainly due to errors in the (automatically assigned) semantic classes. The classes tended to be too general, and this gave them little disambiguating power. Matching through multiple pivots was much more effective for KAMI. In this case, we hypothesize that the more different language (Chinese) gives more disambiguating power than French, when combined with English. Because French and English are closely related, they often show the same ambiguity.", |
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"cite_spans": [], |
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"ref_spans": [ |
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{ |
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"start": 152, |
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"end": 159, |
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"text": "Table 2", |
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"ref_id": "TABREF3" |
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} |
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], |
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"eq_spans": [], |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "We measured how close Malay and Indonesian are by calculating the distribution of the language tags. These only exist for the hand checked entries, of these 17,150 (97.9%) were marked as acceptable in both languages, 158 (0.9%) as acceptable only in Indonesian and 216 (1.2%) as acceptable only in Malay. 6 Further investigation in this phenomenon shows that differences in Malay and Indonesian words mostly lie with nouns, other than minor spelling differences of various words. 6is an example of this.", |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "As can be seen above, a dragonfly in translated as sibur-sibur which is identified only as a Malay word, since in Indonesian, a dragonfly is a sibar-sibar. However, in both languages capung can also be used to describe this insect, showing that the two languages are highly interrelated in terms of meaning and spelling.", |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "Another example of a difference is in translation of worms. When translated in Bahasa (both Malay and Indonesian), a worm is cacing. However, once the basic word divides in subordinate categories, the two Bahasa languages also divide. The Indonesian language has cacing parasit \"roundworm\" as a subordinate word for cacing whereas the Malay language uses cacing keruit/cacing kerawit \"threadworm\" to describe the same creature. In wordnet, threadworm is a hyponym of roundworm. This shows that on top of having slight variations in spelling and nouns, the two languages sometimes have different hierarchies.", |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "This research was made possible by the availability of a wide variety of lexical resources: the original lexicons, wordnets of various languages, mappings between different versions of wordnet and wordnet and different ontologies. Many of these have been released freely, some of these we were granted permission to use for research. Granting access to resources makes possible entirely new applications and so should be encouraged.", |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "The Wordnet Bahasa is released under the MIT license 6 (equivalent to the original wordnet license: it allows the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies so long as copyright is attributed to the original authors). It can be freely downloaded from wn-msa.sourceforge.net. We have three reasons for choosing an open license. The first is practical, creating the wordnet was a significant investment in time and labor, so we want it to be used as widely as possible, getting us the highest return on our investment. The second is moral, we were able to create the Wordnet Bahasa quickly and accurately due to the wealth of lexical resources people allowed us to use, therefore feel we should also let others build upon our work. The final reason is also practical, maintaining and extending a lexical resource is an unending struggle, by making it open we hope to get more useful feedback and user contributions.", |
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"section": "Results and Discussion", |
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"sec_num": "5" |
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}, |
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{ |
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"text": "As this is only the first phase step toward creating a wordnet for Malay and Indonesian, much more can be done to improve it. Firstly, the Malay languages have very rich derivational morphologywe would like to extend the Wordnet Bahasa to cover derivational morphology and link the words to their stem form (which may require an extension of the data structure, the root form does not fit cleanly into the part of speech categories). Secondly, we intend to add numeral classifier relations. Thirdly, we would like to add Malay and Indonesian definition sentences. Finally, tagging a corpus with this WordNet will allow us both to get frequency information and also to check for gaps in coverage.", |
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"cite_spans": [], |
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"section": "Further Work", |
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"sec_num": "6" |
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}, |
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{ |
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"text": "Currently we under-specify the language for most entries in our master database, and output two fully specified versions of the dictionary (Malay and Indonesian) for applications. As these are 98% the same, this is inefficient. We would like to enhance our lexical search interface so that we can have a combined wordnet, and extend the domain:usage relation to languages, linking individual senses to the synsets for either Malay or Indonesian as required.", |
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"cite_spans": [], |
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"section": "Further Work", |
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"sec_num": "6" |
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}, |
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{ |
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"text": "Finally, we intend to continue our research on the Wordnet Bahasa in cooperation with other groups in Indonesia and Malaysia, so that we can all contribute to a single rich lexical resource.", |
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"cite_spans": [], |
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"ref_spans": [], |
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"section": "Further Work", |
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"sec_num": "6" |
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}, |
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{ |
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"text": "We were able to make a rapid start in building the Wordnet Bahasa using several existing lexical resources (FEM, KAMI and many wordnets). We extend the standard matching through multiple pivot languages to also consider hypernym compatibility. We also combine Standard Malay and Indonesian into a single Wordnet Bahasa only marking those entries where the Malay language and Indonesian language were differentiated. This wordnet will serve as a platform for further work in those two languages and we intend to cooperate with teams in both Malaysia and Indonesia for future expansion.", |
|
"cite_spans": [], |
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"section": "Conclusions", |
|
"sec_num": "7" |
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}, |
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{ |
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"text": "http://www.ethnologue.com/show_language.asp?code=msa 2 http://id.asianwordnet.org/", |
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"section": "", |
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"sec_num": null |
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}, |
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"text": "This is in fact an error, it means \"archery\" and should be in a different sysnet.", |
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"section": "", |
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"sec_num": null |
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}, |
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"text": "The semantic class in KAMI is incorrect, it should be the immediate hypernym of this class", |
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"text": "http://wordnet.cs.princeton.edu/downloads.html", |
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"text": "http://www.opensource.org/licenses/mit-license.php", |
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"BIBREF0": { |
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"ref_id": "b0", |
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"text": "and by checking usage examples on-line.", |
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