{"id":"https://openalex.org/W2064203736","doi":"https://doi.org/10.1002/(sici)1097-4571(198705)38:3<171::aid-asi6>3.0.co;2-s","title":"Computation of term/document discrimination values by use of the cover coefficient concept","display_name":"Computation of term/document discrimination values by use of the cover coefficient concept","publication_year":1987,"publication_date":"1987-05-01","ids":{"openalex":"https://openalex.org/W2064203736","doi":"https://doi.org/10.1002/(sici)1097-4571(198705)38:3<171::aid-asi6>3.0.co;2-s","mag":"2064203736"},"language":"en","primary_location":{"id":"doi:10.1002/(sici)1097-4571(198705)38:3<171::aid-asi6>3.0.co;2-s","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1097-4571(198705)38:3<171::aid-asi6>3.0.co;2-s","pdf_url":null,"source":{"id":"https://openalex.org/S4210220780","display_name":"Journal of the American Society for Information Science","issn_l":"0002-8231","issn":["0002-8231","1097-4571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Information Science","raw_type":"journal-article"},"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/A5086385685","display_name":"Fazl\u0131 Can","orcid":"https://orcid.org/0000-0003-0016-4278"},"institutions":[{"id":"https://openalex.org/I201799495","display_name":"Middle East Technical University","ror":"https://ror.org/014weej12","country_code":"TR","type":"education","lineage":["https://openalex.org/I201799495"]},{"id":"https://openalex.org/I83328450","display_name":"Miami University","ror":"https://ror.org/05nbqxr67","country_code":"US","type":"education","lineage":["https://openalex.org/I83328450"]}],"countries":["TR","US"],"is_corresponding":true,"raw_author_name":"Fazli Can","raw_affiliation_strings":["Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara, Turkey","Miami University, Oxford, OH"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronics Engineering, Middle East Technical University, Ankara, Turkey","institution_ids":["https://openalex.org/I201799495"]},{"raw_affiliation_string":"Miami University, Oxford, OH","institution_ids":["https://openalex.org/I83328450"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019049041","display_name":"Esen A. Ozkarahan","orcid":null},"institutions":[{"id":"https://openalex.org/I55732556","display_name":"Arizona State University","ror":"https://ror.org/03efmqc40","country_code":"US","type":"education","lineage":["https://openalex.org/I55732556"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Esen A. Ozkarahan","raw_affiliation_strings":["Department of Computer Science, Arizona State University, Tempe, AZ 85287","Arizona State University, Tempe,#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Arizona State University, Tempe, AZ 85287","institution_ids":["https://openalex.org/I55732556"]},{"raw_affiliation_string":"Arizona State University, Tempe,#TAB#","institution_ids":["https://openalex.org/I55732556"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5086385685"],"corresponding_institution_ids":["https://openalex.org/I201799495","https://openalex.org/I83328450"],"apc_list":null,"apc_paid":null,"fwci":2.7844,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.91937467,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"38","issue":"3","first_page":"171","last_page":"183"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.795011043548584},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.7663532495498657},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6849886178970337},{"id":"https://openalex.org/keywords/cover","display_name":"Cover (algebra)","score":0.6615982055664062},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.6361665725708008},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5993878245353699},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.5992050170898438},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.5533615350723267},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4706023633480072},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3832593858242035},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3276638984680176},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3118663430213928},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21891939640045166},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.0637773871421814}],"concepts":[{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.795011043548584},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.7663532495498657},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6849886178970337},{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.6615982055664062},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.6361665725708008},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5993878245353699},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.5992050170898438},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.5533615350723267},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4706023633480072},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3832593858242035},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3276638984680176},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3118663430213928},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21891939640045166},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0637773871421814},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1002/(sici)1097-4571(198705)38:3<171::aid-asi6>3.0.co;2-s","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1097-4571(198705)38:3<171::aid-asi6>3.0.co;2-s","pdf_url":null,"source":{"id":"https://openalex.org/S4210220780","display_name":"Journal of the American Society for Information Science","issn_l":"0002-8231","issn":["0002-8231","1097-4571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Information Science","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.216.8678","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.216.8678","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.users.muohio.edu/canf/papers/jasis87.pdf","raw_type":"text"},{"id":"pmh:oai:https://open.metu.edu.tr:11511/52178","is_oa":false,"landing_page_url":"https://hdl.handle.net/11511/52178","pdf_url":null,"source":{"id":"https://openalex.org/S4306402495","display_name":"OpenMETU (Middle East Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I201799495","host_organization_name":"Middle East Technical University","host_organization_lineage":["https://openalex.org/I201799495"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.6200000047683716}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1908696901","https://openalex.org/W1956559956","https://openalex.org/W1966365186","https://openalex.org/W1985414707","https://openalex.org/W1997600320","https://openalex.org/W2022516005","https://openalex.org/W2025372153","https://openalex.org/W2044503830","https://openalex.org/W2052842312","https://openalex.org/W2054409659","https://openalex.org/W2070290178","https://openalex.org/W2102154751","https://openalex.org/W2107720767","https://openalex.org/W2133367958","https://openalex.org/W2151648149","https://openalex.org/W2165612380","https://openalex.org/W2333283264"],"related_works":["https://openalex.org/W3024364549","https://openalex.org/W4206019083","https://openalex.org/W1976265003","https://openalex.org/W2054476758","https://openalex.org/W2370378377","https://openalex.org/W2048865712","https://openalex.org/W4210535024","https://openalex.org/W4237510188","https://openalex.org/W2130160813","https://openalex.org/W2350613701"],"abstract_inverted_index":{"Indexing":[0],"in":[1,63,110],"information":[2],"retrieval":[3],"(IR)":[4],"is":[5,40,99,115],"used":[6,45,62],"to":[7,21,70,118],"obtain":[8],"a":[9,52,67,122],"suitable":[10],"vocabulary":[11],"of":[12,18,29,35,42,73,82,87,106,113,121,141],"index":[13],"terms":[14,20],"and":[15,27,75,93],"optimum":[16],"assignment":[17],"these":[19],"documents":[22],"for":[23,46],"increasing":[24],"the":[25,43,56,71,76,88,103,107,111,119,130,134,142],"effectiveness":[26],"efficiency":[28],"an":[30,79],"IR":[31],"system.":[32],"The":[33],"concept":[34,54],"term":[36],"discrimination":[37],"value":[38],"(TDV)":[39],"one":[41],"criteria":[44],"index-term":[47,91],"selection.":[48],"In":[49],"this":[50],"article":[51],"new":[53],"called":[55],"cover":[57],"coefficient":[58],"(CC)":[59],"will":[60],"be":[61],"computing":[64,83],"TDVs.":[65],"After":[66],"brief":[68],"introduction":[69],"theory":[72],"indexing":[74],"CC":[77,89,108,135],"concept,":[78,90],"efficient":[80],"way":[81],"TDVs":[84,114,131],"by":[85,133],"use":[86],"selection,":[92],"weight":[94],"modification":[95],"are":[96,137],"discussed.":[97],"It":[98],"also":[100],"shown":[101],"that":[102,125],"computational":[104],"cost":[105,120],"approach":[109,124,136],"calculation":[112],"favorably":[116],"comparable":[117],"different":[123],"uses":[126],"similarity":[127],"coefficients.":[128],"Furthermore,":[129],"obtained":[132],"consistent":[138],"with":[139],"those":[140],"latter":[143],"approach.":[144],"\u00a9":[145],"1987":[146],"John":[147],"Wiley":[148],"&":[149],"Sons,":[150],"Inc.":[151]},"counts_by_year":[{"year":2020,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
