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Life Science Database Archive
MeCab user dictionary for science technology term

MeCab user dictionary: JST Thesaurus Headwords and Synonyms

Data detail

info Data name MeCab user dictionary: JST Thesaurus Headwords and Synonyms
info DOI 
info Version 
V2
V1-
info Description of data contents 

We have made a user dictionary of morphological analysis engine MeCab (http://taku910.github.io/mecab/) headwords and synonyms of JST Thesaurus (2015 edition) . As no reading was given to synonyms (Headword Flag: 'V') in the original thesaurus, NBDC had given natural reading to synonyms in life science (Category code: 'LSxx', where xx is a two-digit number) and computer science (Category code: 'EG01') and reading of base form to synonyms in other categories.
The dictionary items are based on IPA dictionary. Csv file is encoded in Shift-JIS and dic file is encoded in UTF-8. Entries with zenkaku alphabets, numerals and symbols converted into corresponding hankaku characters are also included.
Please note that this dictionary can not be used as a thesaurus because information on relations between words is not included in the dictionary.

info Data file 
File name:
Thesaurus2015.dic.zip (MeCab dic format)
File URL:
https://dbarchive.biosciencedbc.jp/data/mecab/LATEST/Thesaurus2015.dic.zip
File size:
7.4 MB
File name:
mecab_thesaurus.zip (csv format)
File URL:
https://dbarchive.biosciencedbc.jp/data/mecab/LATEST/mecab_thesaurus.zip
File size:
3.8 MB
info Simple search URL 
info Data acquisition method 

IPA dictionary (mecab-ipadic-2.7.0-20070801 downloaded from MeCab's site [see above]), JST Science and Technology Thesaurus (2015 edition)

info Data analysis method 

-

info Number of data entries 

127,214 entries

Data itemDescription
Surface form The word itself
Left-context ID MeCab internal ID for left context (see http://taku910.github.io/mecab/dic.html)
Right-context ID MeCab internal ID for right context (see http://taku910.github.io/mecab/dic.html)
Cost The cost for the likelihood of the word to appear in a sentence (smaller, more likely)
POS Part of speech
POS subcategory 1 POS subcategory 1
POS subcategory 2 POS subcategory 2
POS subcategory 3 POS subcategory 3
Conjugation type Conjugation type
Conjugation form Conjugation form
Base form Corresponding headword in the JST thesaurus
Reading('Furigana') Reading of the headword.
When Headword Flag is ’V’, it may be different from the reading of the surface form.
Pronunciation Automatically generated from Reading
Source dictionary It is fixed as 'Thesaurus2015'.
ID in Source dictionary ID in JST Thesaurus
J-GLOBAL ID ID in J-GLOBAL
Headword Flag ・C: The word's surface form is the same as the headword in JST Thesaurus (or corresponding hankaku form)
・V: Otherwise
Category code Category code of science fields in JST Thesaurus
Common word flag 1 ・1: There is an entry (or entries) for the surface form in IPA dictionary
・0: There are no entries for the surface in IPA dictionary
Common word flag 2 Based on "IPA dictionary analysis results":
・When the value of Common word flag １ is 1, the value of this flag is the part of speech for the IPA dictionary analysis result.
・When the value of Common word flag １ is 0:
- UNKNOWN_1: if the result is one unknown word
- UNKNOWN_2: if the result is multiple tokens including unknown word
- MULTI_WORD: if the result is multiple tokens in IPA dictionary
IPA dictionary analysis results Results of the morphological analysis with the original IPA dictionary (and the dictionary with IPA dictionary entries where zenkaku alphanumeric characters and symbols are converted into corresponding hankaku characters). If the result is devided into multiple tokens, it is whitespace-separated. It is not manually corrected.