{"id":"https://openalex.org/W3038558486","doi":"https://doi.org/10.1007/s11192-020-03601-7","title":"A co-occurrence based approach of automatic keyword expansion using mass diffusion","display_name":"A co-occurrence based approach of automatic keyword expansion using mass diffusion","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3038558486","doi":"https://doi.org/10.1007/s11192-020-03601-7","mag":"3038558486"},"language":"en","primary_location":{"id":"doi:10.1007/s11192-020-03601-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11192-020-03601-7","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","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/A5025722182","display_name":"Xicheng Yin","orcid":"https://orcid.org/0000-0003-2366-3264"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xicheng Yin","raw_affiliation_strings":["School of Economics and Management, Tongji University, Shanghai, 200092, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Economics and Management, Tongji University, Shanghai, 200092, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058620480","display_name":"Hongwei Wang","orcid":"https://orcid.org/0000-0003-0814-3498"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwei Wang","raw_affiliation_strings":["School of Economics and Management, Tongji University, Shanghai, 200092, China"],"raw_orcid":"https://orcid.org/0000-0003-0814-3498","affiliations":[{"raw_affiliation_string":"School of Economics and Management, Tongji University, Shanghai, 200092, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100688994","display_name":"Peihao Yin","orcid":"https://orcid.org/0009-0001-1496-1107"},"institutions":[{"id":"https://openalex.org/I148128674","display_name":"University of Shanghai for Science and Technology","ror":"https://ror.org/00ay9v204","country_code":"CN","type":"education","lineage":["https://openalex.org/I148128674"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pei Yin","raw_affiliation_strings":["Business School, University of Shanghai for Science and Technology, Shanghai, 200093, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Business School, University of Shanghai for Science and Technology, Shanghai, 200093, China","institution_ids":["https://openalex.org/I148128674"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019776171","display_name":"Hengmin Zhu","orcid":"https://orcid.org/0000-0002-9506-8440"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hengmin Zhu","raw_affiliation_strings":["School of Management, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Management, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100389530","display_name":"Zhenyu Zhang","orcid":"https://orcid.org/0000-0002-4888-4023"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenyu Zhang","raw_affiliation_strings":["School of Economics and Management, Tongji University, Shanghai, 200092, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Economics and Management, Tongji University, Shanghai, 200092, China","institution_ids":["https://openalex.org/I116953780"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":1.0833,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.82663831,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"124","issue":"3","first_page":"1885","last_page":"1905"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9994999766349792,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9840999841690063,"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/T10028","display_name":"Topic Modeling","score":0.9760000109672546,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7753711938858032},{"id":"https://openalex.org/keywords/complement","display_name":"Complement (music)","score":0.7062482237815857},{"id":"https://openalex.org/keywords/bipartite-graph","display_name":"Bipartite graph","score":0.690778911113739},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5338541269302368},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.5199293494224548},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5015130043029785},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.45393359661102295},{"id":"https://openalex.org/keywords/diffusion","display_name":"Diffusion","score":0.44285672903060913},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.4344245195388794},{"id":"https://openalex.org/keywords/thesaurus","display_name":"Thesaurus","score":0.4127592444419861},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.2812417149543762},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27229201793670654},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2216137945652008},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16583165526390076}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7753711938858032},{"id":"https://openalex.org/C112313634","wikidata":"https://www.wikidata.org/wiki/Q7886648","display_name":"Complement (music)","level":5,"score":0.7062482237815857},{"id":"https://openalex.org/C197657726","wikidata":"https://www.wikidata.org/wiki/Q174733","display_name":"Bipartite graph","level":3,"score":0.690778911113739},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5338541269302368},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.5199293494224548},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5015130043029785},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.45393359661102295},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.44285672903060913},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.4344245195388794},{"id":"https://openalex.org/C2778698081","wikidata":"https://www.wikidata.org/wiki/Q179797","display_name":"Thesaurus","level":2,"score":0.4127592444419861},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.2812417149543762},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27229201793670654},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2216137945652008},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16583165526390076},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C188082640","wikidata":"https://www.wikidata.org/wiki/Q1780899","display_name":"Complementation","level":4,"score":0.0},{"id":"https://openalex.org/C127716648","wikidata":"https://www.wikidata.org/wiki/Q104053","display_name":"Phenotype","level":3,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s11192-020-03601-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11192-020-03601-7","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:spr:scient:v:124:y:2020:i:3:d:10.1007_s11192-020-03601-7","is_oa":false,"landing_page_url":"http://link.springer.com/10.1007/s11192-020-03601-7","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"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":[],"awards":[{"id":"https://openalex.org/G1245706021","display_name":null,"funder_award_id":"71771177","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G317278035","display_name":null,"funder_award_id":"71601119","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7818365883","display_name":"\u57fa\u4e8e\u4e3b\u8def\u5f84\u7f51\u7edc\u7684\u8206\u60c5\u4f20\u64ad\u6001\u52bf\u9884\u6d4b\u4e0e\u5e72\u9884\u7814\u7a76\u2014\u2014\u4ee5\u793e\u4f1a\u5316\u5a92\u4f53\u4e2d\u8206\u60c5\u4e3a\u5bf9\u8c61","funder_award_id":"71874088","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":59,"referenced_works":["https://openalex.org/W179585806","https://openalex.org/W249916587","https://openalex.org/W1525595230","https://openalex.org/W1852422273","https://openalex.org/W1893639437","https://openalex.org/W1976603832","https://openalex.org/W1984712324","https://openalex.org/W2008209917","https://openalex.org/W2015469910","https://openalex.org/W2018299757","https://openalex.org/W2029729099","https://openalex.org/W2039326541","https://openalex.org/W2043004216","https://openalex.org/W2058627106","https://openalex.org/W2066636486","https://openalex.org/W2094908976","https://openalex.org/W2102733276","https://openalex.org/W2103479483","https://openalex.org/W2105378642","https://openalex.org/W2111094216","https://openalex.org/W2112255502","https://openalex.org/W2115675966","https://openalex.org/W2117533165","https://openalex.org/W2131744502","https://openalex.org/W2142523187","https://openalex.org/W2149801387","https://openalex.org/W2153579005","https://openalex.org/W2158018156","https://openalex.org/W2165979520","https://openalex.org/W2173744076","https://openalex.org/W2184848982","https://openalex.org/W2506939128","https://openalex.org/W2566480286","https://openalex.org/W2604520536","https://openalex.org/W2604853468","https://openalex.org/W2609349038","https://openalex.org/W2618549529","https://openalex.org/W2741307002","https://openalex.org/W2772993019","https://openalex.org/W2789995212","https://openalex.org/W2799347433","https://openalex.org/W2799528286","https://openalex.org/W2800697942","https://openalex.org/W2897012459","https://openalex.org/W2899239019","https://openalex.org/W2935177567","https://openalex.org/W2945915803","https://openalex.org/W2949547296","https://openalex.org/W2950133940","https://openalex.org/W2953722276","https://openalex.org/W2963302977","https://openalex.org/W2963345057","https://openalex.org/W2964656262","https://openalex.org/W2974528752","https://openalex.org/W2992548114","https://openalex.org/W3100928483","https://openalex.org/W4206716606","https://openalex.org/W4255165398","https://openalex.org/W6631501603"],"related_works":["https://openalex.org/W2360025963","https://openalex.org/W2357241418","https://openalex.org/W1496588992","https://openalex.org/W2066050993","https://openalex.org/W2361443205","https://openalex.org/W2086064646","https://openalex.org/W284687076","https://openalex.org/W132250100","https://openalex.org/W1484141300","https://openalex.org/W3036744775"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":6}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}