{"id":"https://openalex.org/W2001530795","doi":"https://doi.org/10.1145/1639714.1639735","title":"A unified approach to building hybrid recommender systems","display_name":"A unified approach to building hybrid recommender systems","publication_year":2009,"publication_date":"2009-10-23","ids":{"openalex":"https://openalex.org/W2001530795","doi":"https://doi.org/10.1145/1639714.1639735","mag":"2001530795"},"language":"en","primary_location":{"id":"doi:10.1145/1639714.1639735","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1639714.1639735","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the third ACM conference on Recommender systems","raw_type":"proceedings-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/A5067397403","display_name":"Asela Gunawardana","orcid":"https://orcid.org/0000-0003-3205-6589"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Asela Gunawardana","raw_affiliation_strings":["Microsoft Research, Redmond, WA, USA"],"affiliations":[{"raw_affiliation_string":"Microsoft Research, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102772073","display_name":"Christopher Meek","orcid":"https://orcid.org/0000-0003-1696-6152"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christopher Meek","raw_affiliation_strings":["Microsoft Research, Redmond, WA, USA"],"affiliations":[{"raw_affiliation_string":"Microsoft Research, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5067397403"],"corresponding_institution_ids":["https://openalex.org/I1290206253"],"apc_list":null,"apc_paid":null,"fwci":22.209,"has_fulltext":false,"cited_by_count":154,"citation_normalized_percentile":{"value":0.99266768,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"117","last_page":"124"},"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.9902999997138977,"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/recommender-system","display_name":"Recommender system","score":0.9092352986335754},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.8304233551025391},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7981253266334534},{"id":"https://openalex.org/keywords/cold-start","display_name":"Cold start (automotive)","score":0.7290475368499756},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4055011570453644},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.32759374380111694},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08947920799255371}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.9092352986335754},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.8304233551025391},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7981253266334534},{"id":"https://openalex.org/C2778956030","wikidata":"https://www.wikidata.org/wiki/Q5142477","display_name":"Cold start (automotive)","level":2,"score":0.7290475368499756},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4055011570453644},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.32759374380111694},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08947920799255371},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1639714.1639735","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1639714.1639735","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the third ACM conference on Recommender systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W28766783","https://openalex.org/W169594500","https://openalex.org/W281665770","https://openalex.org/W1510348757","https://openalex.org/W1516111018","https://openalex.org/W1532852017","https://openalex.org/W1550206324","https://openalex.org/W1582340466","https://openalex.org/W1592796124","https://openalex.org/W1718512272","https://openalex.org/W1761313536","https://openalex.org/W1860991815","https://openalex.org/W2029507558","https://openalex.org/W2042281163","https://openalex.org/W2056932183","https://openalex.org/W2069480896","https://openalex.org/W2073522073","https://openalex.org/W2099866409","https://openalex.org/W2110325612","https://openalex.org/W2119490247","https://openalex.org/W2122565151","https://openalex.org/W2124029832","https://openalex.org/W2127480961","https://openalex.org/W2137728971","https://openalex.org/W2143908786","https://openalex.org/W2153889650","https://openalex.org/W2155106456","https://openalex.org/W2157973827","https://openalex.org/W2158515176","https://openalex.org/W2159094788","https://openalex.org/W2596118091","https://openalex.org/W4285719527","https://openalex.org/W6601201599"],"related_works":["https://openalex.org/W2348159088","https://openalex.org/W2735929803","https://openalex.org/W2528269032","https://openalex.org/W2358418295","https://openalex.org/W2808220856","https://openalex.org/W2402445420","https://openalex.org/W1773619406","https://openalex.org/W4313327643","https://openalex.org/W2909127866","https://openalex.org/W2188459475"],"abstract_inverted_index":{"Content-based":[0],"recommendation":[1],"systems":[2],"can":[3],"provide":[4,32],"recommendations":[5,54],"for":[6,9],"\"cold-start\"":[7],"items":[8],"which":[10],"little":[11],"or":[12],"no":[13],"training":[14],"data":[15],"is":[16],"available,":[17],"but":[18,35],"typically":[19],"have":[20],"lower":[21],"accuracy":[22],"than":[23],"collaborative":[24,28],"filtering":[25,29],"systems.":[26],"Conversely,":[27],"techniques":[30],"often":[31],"accurate":[33],"recommendations,":[34],"fail":[36],"on":[37],"cold":[38],"start":[39],"items.":[40],"Hybrid":[41],"schemes":[42],"attempt":[43],"to":[44,51],"combine":[45],"these":[46],"different":[47],"kinds":[48],"of":[49],"information":[50],"yield":[52],"better":[53],"across":[55],"the":[56],"board.":[57]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":20},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":20},{"year":2014,"cited_by_count":14},{"year":2013,"cited_by_count":15},{"year":2012,"cited_by_count":11}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}