{"id":"https://openalex.org/W2094847710","doi":"https://doi.org/10.1016/j.system.2012.10.012","title":"Effects of text length on lexical diversity measures: Using short texts with less than 200 tokens","display_name":"Effects of text length on lexical diversity measures: Using short texts with less than 200 tokens","publication_year":2012,"publication_date":"2012-11-02","ids":{"openalex":"https://openalex.org/W2094847710","doi":"https://doi.org/10.1016/j.system.2012.10.012","mag":"2094847710"},"language":"en","primary_location":{"id":"doi:10.1016/j.system.2012.10.012","doi":"https://doi.org/10.1016/j.system.2012.10.012","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.system.2012.10.012","pdf_url":null,"source":{"id":"https://openalex.org/S130873806","display_name":"System","issn_l":"0346-251X","issn":["0346-251X","1879-3282"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"System","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058775962","display_name":"Rie Koizumi","orcid":"https://orcid.org/0000-0001-6750-704X","observed_orcids":["https://orcid.org/0000-0001-6750-704X"]},"institutions":[{"id":"https://openalex.org/I34077901","display_name":"Juntendo University","ror":"https://ror.org/01692sz90","country_code":"JP","type":"education","lineage":["https://openalex.org/I34077901"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Rie Koizumi","raw_affiliation_strings":["School of Medicine, Juntendo University, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Medicine, Juntendo University, Japan","institution_ids":["https://openalex.org/I34077901"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050737427","display_name":"Yo In\u2019nami","orcid":"https://orcid.org/0000-0001-8235-2752","observed_orcids":["https://orcid.org/0000-0001-8235-2752"]},"institutions":[{"id":"https://openalex.org/I171481255","display_name":"Shibaura Institute of Technology","ror":"https://ror.org/020wjcq07","country_code":"JP","type":"education","lineage":["https://openalex.org/I171481255"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yo In'nami","raw_affiliation_strings":["School of Arts and Sciences, College of Engineering, Shibaura Institute of Technology, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Arts and Sciences, College of Engineering, Shibaura Institute of Technology, Japan","institution_ids":["https://openalex.org/I171481255"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5058775962"],"corresponding_institution_ids":["https://openalex.org/I34077901"],"apc_list":{"value":3980,"currency":"USD","value_usd":3980},"apc_paid":null,"fwci":5.7975,"has_fulltext":false,"cited_by_count":92,"citation_normalized_percentile":{"value":0.95106088,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"40","issue":"4","first_page":"554","last_page":"564"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11587","display_name":"Second Language Acquisition and Learning","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11587","display_name":"Second Language Acquisition and Learning","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10021","display_name":"EFL/ESL Teaching and Learning","score":0.006399999838322401,"subfield":{"id":"https://openalex.org/subfields/1203","display_name":"Language and Linguistics"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10730","display_name":"Language Development and Disorders","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/lexical-diversity","display_name":"lexical diversity","score":0.9879999756813049},{"id":"https://openalex.org/keywords/text-length","display_name":"text length","score":0.8980000019073486},{"id":"https://openalex.org/keywords/short-text","display_name":"short text","score":0.7509999871253967},{"id":"https://openalex.org/keywords/type-token-ratio","display_name":"type-token ratio","score":0.7549999952316284},{"id":"https://openalex.org/keywords/meuse-river","display_name":"Meuse River","score":0.7300000190734863},{"id":"https://openalex.org/keywords/d-index","display_name":"D-index","score":0.5709999799728394},{"id":"https://openalex.org/keywords/l2-english-learners","display_name":"L2 English learners","score":0.7519999742507935},{"id":"https://openalex.org/keywords/second-language-speaking","display_name":"second language speaking","score":0.5370000004768372},{"id":"https://openalex.org/keywords/second-language-writing","display_name":"second language writing","score":0.5789999961853027}],"concepts":[{"id":"https://openalex.org/C48145219","wikidata":"https://www.wikidata.org/wiki/Q1335365","display_name":"Security token","level":2,"score":0.8079547882080078},{"id":"https://openalex.org/C2781202465","wikidata":"https://www.wikidata.org/wiki/Q18346297","display_name":"Lexical diversity","level":3,"score":0.801315426826477},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5897002220153809},{"id":"https://openalex.org/C55343584","wikidata":"https://www.wikidata.org/wiki/Q1312005","display_name":"Lexical density","level":3,"score":0.49941039085388184},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.4887683093547821},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4613931179046631},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.442476749420166},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.4362347722053528},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.4164547622203827},{"id":"https://openalex.org/C126706616","wikidata":"https://www.wikidata.org/wiki/Q2944660","display_name":"Lexical item","level":2,"score":0.1878466010093689},{"id":"https://openalex.org/C2777601683","wikidata":"https://www.wikidata.org/wiki/Q6499736","display_name":"Vocabulary","level":2,"score":0.08582526445388794},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.07103019952774048},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.system.2012.10.012","doi":"https://doi.org/10.1016/j.system.2012.10.012","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.system.2012.10.012","pdf_url":null,"source":{"id":"https://openalex.org/S130873806","display_name":"System","issn_l":"0346-251X","issn":["0346-251X","1879-3282"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-2","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"System","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"score":0.8799999952316284,"display_name":"Quality education","id":"https://metadata.un.org/sdg/4"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G6954051691","display_name":null,"funder_award_id":"22720216","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320320912","display_name":"Ministry of Education, Culture, Sports, Science and Technology","ror":"https://ror.org/048rj2z13"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W36699799","https://openalex.org/W79080010","https://openalex.org/W565085691","https://openalex.org/W620594274","https://openalex.org/W1517815307","https://openalex.org/W1564373635","https://openalex.org/W1597793276","https://openalex.org/W1604069581","https://openalex.org/W1612015840","https://openalex.org/W1760020891","https://openalex.org/W1775836047","https://openalex.org/W2012637537","https://openalex.org/W2053358174","https://openalex.org/W2083787839","https://openalex.org/W2087388117","https://openalex.org/W2102229948","https://openalex.org/W2127746072","https://openalex.org/W2253570202","https://openalex.org/W2503315166","https://openalex.org/W3167947753","https://openalex.org/W4241067322","https://openalex.org/W6635676870"],"related_works":["https://openalex.org/W2331910135","https://openalex.org/W2062647620","https://openalex.org/W3097441007","https://openalex.org/W352447700","https://openalex.org/W4391655440","https://openalex.org/W3026083694","https://openalex.org/W4416121599","https://openalex.org/W7172382186","https://openalex.org/W4404532751","https://openalex.org/W79080010"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}