{"id":"https://openalex.org/W2093063389","doi":"https://doi.org/10.1109/tsc.2014.2381611","title":"Time Aware and Data Sparsity Tolerant Web Service Recommendation Based on Improved Collaborative Filtering","display_name":"Time Aware and Data Sparsity Tolerant Web Service Recommendation Based on Improved Collaborative Filtering","publication_year":2015,"publication_date":"2015-01-06","ids":{"openalex":"https://openalex.org/W2093063389","doi":"https://doi.org/10.1109/tsc.2014.2381611","mag":"2093063389"},"language":"en","primary_location":{"id":"doi:10.1109/tsc.2014.2381611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2014.2381611","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","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/A5103067031","display_name":"Yan Hu","orcid":"https://orcid.org/0000-0002-1712-2771"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Hu","raw_affiliation_strings":["Science and Technology on Integrated Information System Laboratory, Institute of Software, Chinese Academy of Sciences, Beijing, China","University of Chinese Academy of Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Science and Technology on Integrated Information System Laboratory, Institute of Software, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210128818","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053624465","display_name":"Qimin Peng","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qimin Peng","raw_affiliation_strings":["Science and Technology on Integrated Information System Laboratory, Institute of Software, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Science and Technology on Integrated Information System Laboratory, Institute of Software, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210128818","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100740224","display_name":"Xiaohui Hu","orcid":"https://orcid.org/0000-0001-5717-8676"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128818","display_name":"Institute of Software","ror":"https://ror.org/033dfsn42","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128818"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Hu","raw_affiliation_strings":["Science and Technology on Integrated Information System Laboratory, Institute of Software, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Science and Technology on Integrated Information System Laboratory, Institute of Software, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210128818","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055831079","display_name":"Rong Yang","orcid":"https://orcid.org/0000-0002-6983-4682"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210101555","display_name":"Hubei University of Science and Technology","ror":"https://ror.org/018wg9441","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210101555"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rong Yang","raw_affiliation_strings":["College of Computer Science and Technology, Hubei University of Science and Technology, Xianning, China","State Key Laboratory of Software Engineering and School of Computer, Wuhan University, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Hubei University of Science and Technology, Xianning, China","institution_ids":["https://openalex.org/I4210101555"]},{"raw_affiliation_string":"State Key Laboratory of Software Engineering and School of Computer, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":29.2549,"has_fulltext":false,"cited_by_count":108,"citation_normalized_percentile":{"value":0.99525849,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"8","issue":"5","first_page":"782","last_page":"794"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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/T11478","display_name":"Caching and Content Delivery","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.967199981212616,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/collaborative-filtering","display_name":"Collaborative filtering","score":0.8930836915969849},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8718416690826416},{"id":"https://openalex.org/keywords/web-service","display_name":"Web service","score":0.7262271046638489},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.6528745293617249},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.5528806447982788},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5274061560630798},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.527226448059082},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.47523024678230286},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4312264919281006},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.38279712200164795},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3791671395301819},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3204818367958069},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1711055338382721},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1518605649471283},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.07387050986289978}],"concepts":[{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.8930836915969849},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8718416690826416},{"id":"https://openalex.org/C35578498","wikidata":"https://www.wikidata.org/wiki/Q193424","display_name":"Web service","level":2,"score":0.7262271046638489},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.6528745293617249},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.5528806447982788},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5274061560630798},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.527226448059082},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.47523024678230286},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4312264919281006},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.38279712200164795},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3791671395301819},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3204818367958069},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1711055338382721},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1518605649471283},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.07387050986289978},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsc.2014.2381611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2014.2381611","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5899999737739563,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1589148151","https://openalex.org/W1608412409","https://openalex.org/W1965284750","https://openalex.org/W1967868690","https://openalex.org/W1975414584","https://openalex.org/W1983369859","https://openalex.org/W1987863202","https://openalex.org/W2010147276","https://openalex.org/W2018597607","https://openalex.org/W2025495819","https://openalex.org/W2039240409","https://openalex.org/W2042281163","https://openalex.org/W2049455633","https://openalex.org/W2057417231","https://openalex.org/W2070786785","https://openalex.org/W2072191819","https://openalex.org/W2072234870","https://openalex.org/W2073178357","https://openalex.org/W2079335968","https://openalex.org/W2090462537","https://openalex.org/W2091381870","https://openalex.org/W2110325612","https://openalex.org/W2112465256","https://openalex.org/W2113831957","https://openalex.org/W2117079628","https://openalex.org/W2119462974","https://openalex.org/W2123476762","https://openalex.org/W2127300005","https://openalex.org/W2131807809","https://openalex.org/W2142144955","https://openalex.org/W2144088685","https://openalex.org/W2145878380","https://openalex.org/W2293888960","https://openalex.org/W2950332743","https://openalex.org/W2950359222","https://openalex.org/W6668311342","https://openalex.org/W6676522543","https://openalex.org/W6676778711"],"related_works":["https://openalex.org/W1484355083","https://openalex.org/W2772628444","https://openalex.org/W4220714703","https://openalex.org/W2735929803","https://openalex.org/W2170391450","https://openalex.org/W2098758514","https://openalex.org/W3008845055","https://openalex.org/W2041004656","https://openalex.org/W135044020","https://openalex.org/W2103058005"],"abstract_inverted_index":{"With":[0],"the":[1,8,44,82,93,104,110,126,135,166,195],"incessant":[2],"growth":[3],"of":[4,21,46,84,96,128,189,197],"web":[5,14,58,97,146],"services":[6,116],"on":[7,19,39],"Internet,":[9],"how":[10],"to":[11,108,118,164,178,193],"design":[12],"effective":[13],"service":[15,31,40,59,147,184],"recommendation":[16,32],"technologies":[17],"based":[18],"Quality":[20],"Service":[22],"(QoS)":[23],"is":[24,88,101,176],"becoming":[25],"more":[26,28],"and":[27,42,65,76,158,183],"important.":[29],"Web":[30],"can":[33],"relieve":[34],"users":[35,114],"from":[36],"tough":[37],"work":[38],"selection":[41],"improve":[43],"efficiency":[45],"developing":[47],"service-oriented":[48],"applications.":[49],"Neighborhood-based":[50],"collaborative":[51,130,141],"filtering":[52,142],"has":[53],"been":[54],"widely":[55],"used":[56],"for":[57,103,144],"recommendation,":[60],"in":[61,162],"which":[62,87],"similarity":[63,74,106,156],"measurement":[64,157],"QoS":[66,77,94,159],"prediction":[67,78],"are":[68,191],"two":[69,122],"key":[70],"issues.":[71],"However,":[72],"traditional":[73],"models":[75,107],"methods":[79],"rarely":[80],"consider":[81],"influence":[83],"time":[85,152],"information,":[86],"an":[89,138],"important":[90],"factor":[91],"affecting":[92],"performance":[95,127],"services.":[98],"Furthermore,":[99],"it":[100],"difficult":[102],"existing":[105],"capture":[109],"actual":[111],"relationships":[112],"between":[113],"or":[115],"due":[117],"data":[119,167],"sparsity.":[120],"The":[121],"shortcomings":[123],"seriously":[124],"devalue":[125],"neighborhood-based":[129],"filtering.":[131],"In":[132],"this":[133],"paper,":[134],"authors":[136],"propose":[137],"improved":[139],"time-aware":[140],"approach":[143,150],"high-quality":[145],"recommendation.":[148],"Our":[149],"integrates":[151],"information":[153],"into":[154],"both":[155],"prediction.":[160],"Additionally,":[161],"order":[163],"alleviate":[165],"sparsity":[168],"problem,":[169],"a":[170,187],"hybrid":[171],"personalized":[172],"random":[173],"walk":[174],"algorithm":[175],"designed":[177],"infer":[179],"indirect":[180],"user":[181],"similarities":[182],"similarities.":[185],"Finally,":[186],"series":[188],"experiments":[190],"provided":[192],"validate":[194],"effectiveness":[196],"our":[198],"approach.":[199]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":14},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":18},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":15},{"year":2016,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}