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Corpus of Research Articles 2007
(Part of speech search)
Welcome to the Corpus of Research Articles (CRA) 2007. The CRA is a large collection of Research Articles collected from 39 disciplines.
There are currently 5,609,407 words in the corpus.
Remarks: (Click here for detailed instructions)
(Recommend using Mozilla Firefox or Apple® Safari to search. Best viewed in 1680x1050 screen resolution.)
1. Query word/phrase accepts English alphabets and dash only (i.e. A-Z, a-z, -), case-insensitive.
2. Search string syntax word^pos. [e.g. book^nn, book^vb ^dt, ^vb ^dt ^nn, etc.]
- The symbol ^tag indicates the tag to be searched for. The string in front of the caret symbol ^ is the query word.
- A maximum of 5 units of 'word', 'word^pos' or '^pos' can be used for query.
- A caret with a number (e.g. ^2) in the middle of the search string instructs the search engine to skip two words in between any two query parameters (e.g. book ^2 advance).
- Head and/or tail partial search of the query word/phrase is possible by adding ' - ' to the front or end of the query word/phrase (e.g. -ment, advan-, -fine-)
- Tail partial search for the POS tag is possible by adding '-' at the end of the POS tag (e.g. ^NN- will return ^NN, ^NNS, ^NNP, ^NNPS)
- Units are separated by a space. Punctuation is not accepted.
3. Part-of-speech tag symbols in alphabetical order*
| ^CC |
Coordinating conjunction |
^PRPS |
Possessive pronoun |
| ^CD |
Cardinal number |
^RB |
Adverb |
| ^DT |
Determiner |
^RBR |
Adverb, comparative |
| ^EX |
Existential 'there' |
^RBS |
Adverb, superlative |
| ^FW |
Foreign word |
^RP |
Particle |
| ^IN |
Preposition or subordinating conjunction |
^TO |
'to' |
| ^JJ |
Adjective |
^UH |
Interjection |
| ^JJR |
Adjective, comparative |
^VB |
Verb, base form |
| ^JJS |
Adjective, superlative |
^VBD |
Verb, past tense |
| ^MD |
Modal |
^VBG |
Verb, gerund or present participle |
| ^NN |
Noun, singular or mass |
^VBN |
Verb, past participle |
| ^NNS |
Noun, plural |
^VBP |
Verb, non-3rd person singular present |
| ^NNP |
Proper noun, singular |
^VBZ |
Verb, 3rd person singular present |
| ^NNPS |
Proper noun, plural |
^WDT |
Wh-determiner |
| ^PDT |
Predeterminer |
^WP |
Wh-pronoun |
| ^POS |
Possessive ending |
^WPS |
Possessive wh-pronoun |
| ^PRP |
Personal pronoun |
^WRB |
Wh-adverb |
4. Maximum 10,000 concordance lines can be listed.
* Source: Santorini, B. (1990). Part-of-speech tagging guidelines for the Penn Treebank Project (3rd revision). Retrieved December 20, 2016 from http://repository.upenn.edu/cgi/viewcontent.cgi?article=1603&context=cis_reports
* The corpus is tagged with Stanford Part-of-speech Tagger v.3.6.0.
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The work to compile the CRA was substantially supported with generous funding from the Dean of the Faculty of Humanities (Projects No. 1-87TT and 1-87SP). This support is gratefully acknowledged.
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