{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T19:38:05Z","timestamp":1775072285794,"version":"3.50.1"},"reference-count":55,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T00:00:00Z","timestamp":1602028800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100004281","name":"Narodowe Centrum Nauki","doi-asserted-by":"publisher","award":["2016\/21\/B\/ST6\/01463"],"award-info":[{"award-number":["2016\/21\/B\/ST6\/01463"]}],"id":[{"id":"10.13039\/501100004281","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010665","name":"H2020 Marie Sk\u0142odowska-Curie Actions","doi-asserted-by":"publisher","award":["691152 (RENOIR)"],"award-info":[{"award-number":["691152 (RENOIR)"]}],"id":[{"id":"10.13039\/100010665","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004569","name":"Ministerstwo Nauki i Szkolnictwa Wy\u017cszego","doi-asserted-by":"publisher","award":["3628\/H2020\/2016\/2"],"award-info":[{"award-number":["3628\/H2020\/2016\/2"]}],"id":[{"id":"10.13039\/501100004569","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Information Science"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:p> In our study, we examine the impact of citation network structures on the ability to discern valuable research topics in Computer Science literature. We use the bibliographic information available in the DBLP database to extract candidate phrases from scientific paper abstracts. Following that, we construct citation networks based on direct citation, co-citation and bibliographic coupling relationships between the papers. The candidate research topics, in the form of keyphrases and n-grammes, are subsequently ranked and filtered by a graph-text ranking algorithm. This selection of the highest ranked potential topics is further evaluated by domain experts and through the Wikipedia knowledge base. The results obtained from these citation networks are complementary, returning valid but non-overlapping output phrases between some pairs of networks. In particular, bibliographic coupling appears to capture more unique information than either direct citation or co-citation. These findings point towards the possible added value in combining bibliographic coupling analysis with other structures. At the same time, combining direct citation and co-citation is put into question. We expect our findings to be utilised in method design for research topic identification. <\/jats:p>","DOI":"10.1177\/0165551520962775","type":"journal-article","created":{"date-parts":[[2020,10,7]],"date-time":"2020-10-07T09:31:14Z","timestamp":1602063074000},"page":"349-373","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":129,"title":["Analysis of direct citation, co-citation and bibliographic coupling in scientific topic identification"],"prefix":"10.1177","volume":"48","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3672-7132","authenticated-orcid":false,"given":"Rajmund","family":"Kleminski","sequence":"first","affiliation":[{"name":"Wroclaw University of Science and Technology, Poland"}]},{"given":"Przemysiaw","family":"Kazienko","sequence":"additional","affiliation":[{"name":"Wroclaw University of Science and Technology, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8417-1012","authenticated-orcid":false,"given":"Tomasz","family":"Kajdanowicz","sequence":"additional","affiliation":[{"name":"Wroclaw University of Science and Technology, Poland"}]}],"member":"179","published-online":{"date-parts":[[2020,10,7]]},"reference":[{"key":"bibr1-0165551520962775","unstructured":"ACM computing classification system, 2019, https:\/\/www.acm.org\/about-acm\/class"},{"key":"bibr2-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1007\/s11192-011-0347-4"},{"key":"bibr3-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0039464"},{"key":"bibr4-0165551520962775","first-page":"370","volume-title":"Proceedings of the 13th ACM SIGKDD international conference on knowledge discovery and data mining","author":"Jo Y"},{"key":"bibr5-0165551520962775","first-page":"96","volume-title":"2011 3rd conference on data mining and optimization (DMO)","author":"Shubankar K"},{"key":"bibr6-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1002\/asi.4630240406"},{"key":"bibr7-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1002\/asi.5090140103"},{"key":"bibr8-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1016\/j.joi.2016.10.006"},{"key":"bibr9-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1002\/asi.21419"},{"key":"bibr10-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1002\/asi.23734"},{"key":"bibr11-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1007\/s11192-017-2302-5"},{"key":"bibr12-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1023\/A:1009976227802"},{"key":"bibr13-0165551520962775","first-page":"216","volume-title":"Proceedings of the 2003 conference on Empirical methods in natural language processing","author":"Hulth A"},{"key":"bibr14-0165551520962775","first-page":"472","volume-title":"International conference on intelligent text processing and computational linguistics","author":"Hulth A"},{"key":"bibr15-0165551520962775","first-page":"283","volume-title":"Proceedings of the 14th ACM international conference on information and knowledge management","author":"Wu YB"},{"key":"bibr16-0165551520962775","first-page":"248","volume-title":"Proceedings of the 5th international workshop on semantic evaluation","author":"Lopez P"},{"issue":"3","key":"bibr17-0165551520962775","first-page":"1169","volume":"4","author":"Zhang C","year":"2008","journal-title":"J Comput Inform Syst"},{"key":"bibr18-0165551520962775","doi-asserted-by":"publisher","DOI":"10.1007\/11739685_66"},{"key":"bibr19-0165551520962775","unstructured":"Sarkar K, Nasipuri M, Ghose S. 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