{"id":"https://openalex.org/W2395046283","doi":"https://doi.org/10.17706/jsw.10.4.392-402","title":"Learning Forum Posts Topic Discovery and Its Application in Recommendation System","display_name":"Learning Forum Posts Topic Discovery and Its Application in Recommendation System","publication_year":2015,"publication_date":"2015-04-01","ids":{"openalex":"https://openalex.org/W2395046283","doi":"https://doi.org/10.17706/jsw.10.4.392-402","mag":"2395046283"},"language":"en","primary_location":{"id":"doi:10.17706/jsw.10.4.392-402","is_oa":true,"landing_page_url":"https://doi.org/10.17706/jsw.10.4.392-402","pdf_url":"http://www.jsoftware.us/vol10/33-jsw140613-1286.pdf","source":{"id":"https://openalex.org/S114141714","display_name":"Journal of Software","issn_l":"1796-217X","issn":["1796-217X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Software","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://www.jsoftware.us/vol10/33-jsw140613-1286.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009762522","display_name":"ChangRi Luo -","orcid":null},"institutions":[{"id":"https://openalex.org/I40963666","display_name":"Central China Normal University","ror":"https://ror.org/03x1jna21","country_code":"CN","type":"education","lineage":["https://openalex.org/I40963666"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changri Luo","raw_affiliation_strings":["National Engineering Research Center for e-Learning, Wuhan, China; College of Vocational and Continuing Education, Central China Normal University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Research Center for e-Learning, Wuhan, China; College of Vocational and Continuing Education, Central China Normal University, Wuhan, China","institution_ids":["https://openalex.org/I40963666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039602194","display_name":"Tingting He","orcid":"https://orcid.org/0000-0002-5677-2718"},"institutions":[{"id":"https://openalex.org/I40963666","display_name":"Central China Normal University","ror":"https://ror.org/03x1jna21","country_code":"CN","type":"education","lineage":["https://openalex.org/I40963666"]},{"id":"https://openalex.org/I4210114290","display_name":"China National Environmental Monitoring Center","ror":"https://ror.org/026drga03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I204710742","https://openalex.org/I4210114290"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tingting He","raw_affiliation_strings":["Academy of Computer Science, Central China Normal University, Wuhan, China; Network Media Branch,","National Language Resources Monitoring and Research Center, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Academy of Computer Science, Central China Normal University, Wuhan, China; Network Media Branch,","institution_ids":["https://openalex.org/I40963666"]},{"raw_affiliation_string":"National Language Resources Monitoring and Research Center, Wuhan, China","institution_ids":["https://openalex.org/I4210114290"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100380929","display_name":"Xinhua Zhang","orcid":"https://orcid.org/0000-0002-2767-4908"},"institutions":[{"id":"https://openalex.org/I4210100789","display_name":"Wuhan College","ror":"https://ror.org/01dashf18","country_code":"CN","type":"nonprofit","lineage":["https://openalex.org/I4210100789"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinhua Zhang","raw_affiliation_strings":["College of Computer ScienceWuhan Vocational College of Software and Engineering,Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer ScienceWuhan Vocational College of Software and Engineering,Wuhan, China","institution_ids":["https://openalex.org/I4210100789"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112642616","display_name":"Zibo Zhou","orcid":"https://orcid.org/0009-0004-0797-215X"},"institutions":[{"id":"https://openalex.org/I40963666","display_name":"Central China Normal University","ror":"https://ror.org/03x1jna21","country_code":"CN","type":"education","lineage":["https://openalex.org/I40963666"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zibo Zhou","raw_affiliation_strings":["College of Vocational and Continuing Education, Central China Normal University,Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Vocational and Continuing Education, Central China Normal University,Wuhan, China","institution_ids":["https://openalex.org/I40963666"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.31386642,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"10","issue":"4","first_page":"392","last_page":"402"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9962000250816345,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9962000250816345,"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/T13274","display_name":"Expert finding and Q&A systems","score":0.9943000078201294,"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/T11122","display_name":"Online Learning and Analytics","score":0.9901000261306763,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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":0.920783519744873},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5463179349899292},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.443521112203598},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.40730831027030945}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.920783519744873},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5463179349899292},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.443521112203598},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.40730831027030945}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.17706/jsw.10.4.392-402","is_oa":true,"landing_page_url":"https://doi.org/10.17706/jsw.10.4.392-402","pdf_url":"http://www.jsoftware.us/vol10/33-jsw140613-1286.pdf","source":{"id":"https://openalex.org/S114141714","display_name":"Journal of Software","issn_l":"1796-217X","issn":["1796-217X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Software","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.17706/jsw.10.4.392-402","is_oa":true,"landing_page_url":"https://doi.org/10.17706/jsw.10.4.392-402","pdf_url":"http://www.jsoftware.us/vol10/33-jsw140613-1286.pdf","source":{"id":"https://openalex.org/S114141714","display_name":"Journal of Software","issn_l":"1796-217X","issn":["1796-217X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Software","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1571811713","display_name":null,"funder_award_id":"B07042","funder_id":"https://openalex.org/F4320335785","funder_display_name":"Project 211"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320327557","display_name":"National Office for Philosophy and Social Sciences","ror":"https://ror.org/04m0ms912"},{"id":"https://openalex.org/F4320335785","display_name":"Project 211","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2395046283.pdf","grobid_xml":"https://content.openalex.org/works/W2395046283.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1542939084","https://openalex.org/W1570367356","https://openalex.org/W1880262756","https://openalex.org/W1884588105","https://openalex.org/W1968589337","https://openalex.org/W1997956661","https://openalex.org/W1998091041","https://openalex.org/W2001082470","https://openalex.org/W2007692184","https://openalex.org/W2026844232","https://openalex.org/W2033265738","https://openalex.org/W2049097211","https://openalex.org/W2054370178","https://openalex.org/W2079218151","https://openalex.org/W2082367417","https://openalex.org/W2096041508","https://openalex.org/W2113103596","https://openalex.org/W2140124448","https://openalex.org/W2150577300","https://openalex.org/W2158515176","https://openalex.org/W2324579583","https://openalex.org/W2335092149","https://openalex.org/W2624220348","https://openalex.org/W2963947225","https://openalex.org/W6639619044"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2382290278","https://openalex.org/W2350741829","https://openalex.org/W2130043461","https://openalex.org/W2530322880","https://openalex.org/W1596801655"],"abstract_inverted_index":{"What":[0],"a":[1,6,78],"network":[2,7,18,22],"learner":[3],"post":[4],"on":[5],"learning":[8,19,23,70,75],"forum":[9,35],"directly":[10],"reflects":[11],"the":[12,17,34,43,53,58,64,68,74],"learners'":[13,49],"need":[14],"during":[15],"from":[16,33,57],"process.":[20],"The":[21,55],"supporting":[24],"service":[25],"could":[26],"be":[27],"greatly":[28],"improved":[29],"with":[30],"mining":[31],"topics":[32],"posts.":[36],"For":[37],"this":[38,40],"purpose,":[39],"paper":[41],"employs":[42],"Learner-Topic":[44],"(LT)":[45],"model":[46,59],"to":[47,62],"mine":[48],"posts":[50],"and":[51,72],"discover":[52],"topics.":[54],"results":[56],"are":[60],"used":[61],"search":[63],"learners":[65],"who":[66],"have":[67],"same":[69],"interest":[71],"recommend":[73],"resources":[76],"in":[77],"recommendation":[79],"system.":[80]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}