{"id":"https://openalex.org/W2042998450","doi":"https://doi.org/10.1145/2792838.2800170","title":"Top-N Recommendation for Shared Accounts","display_name":"Top-N Recommendation for Shared Accounts","publication_year":2015,"publication_date":"2015-09-08","ids":{"openalex":"https://openalex.org/W2042998450","doi":"https://doi.org/10.1145/2792838.2800170","mag":"2042998450"},"language":"en","primary_location":{"id":"doi:10.1145/2792838.2800170","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2792838.2800170","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 9th 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/A5039402431","display_name":"Koen Verstrepen","orcid":null},"institutions":[{"id":"https://openalex.org/I149213910","display_name":"University of Antwerp","ror":"https://ror.org/008x57b05","country_code":"BE","type":"education","lineage":["https://openalex.org/I149213910"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Koen Verstrepen","raw_affiliation_strings":["University of Antwerp, Antwerp, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Antwerp, Antwerp, Belgium","institution_ids":["https://openalex.org/I149213910"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020321444","display_name":"Bart Goethals","orcid":"https://orcid.org/0000-0001-9327-9554"},"institutions":[{"id":"https://openalex.org/I149213910","display_name":"University of Antwerp","ror":"https://ror.org/008x57b05","country_code":"BE","type":"education","lineage":["https://openalex.org/I149213910"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Bart Goethals","raw_affiliation_strings":["University of Antwerp, Antwerp, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Antwerp, Antwerp, Belgium","institution_ids":["https://openalex.org/I149213910"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149213910"],"apc_list":null,"apc_paid":null,"fwci":12.3602,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.98351545,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"59","last_page":"66"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":1.0,"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":1.0,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","score":0.9690999984741211,"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":0.9436711668968201},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8478764891624451},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.8441041707992554},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6195879578590393},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5841808319091797},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.36858636140823364}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.9436711668968201},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8478764891624451},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.8441041707992554},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6195879578590393},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5841808319091797},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.36858636140823364},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2792838.2800170","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2792838.2800170","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 9th ACM Conference on Recommender Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.41999998688697815,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W21938781","https://openalex.org/W1486562431","https://openalex.org/W1597703625","https://openalex.org/W2101409192","https://openalex.org/W2105997659","https://openalex.org/W2121710227","https://openalex.org/W2124187902","https://openalex.org/W2138444337","https://openalex.org/W2142144955","https://openalex.org/W2155912844","https://openalex.org/W2159094788","https://openalex.org/W2165949563","https://openalex.org/W2540422047","https://openalex.org/W2911438831","https://openalex.org/W2963768921","https://openalex.org/W4244404635"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W2735929803","https://openalex.org/W4220714703","https://openalex.org/W1484355083","https://openalex.org/W3008845055","https://openalex.org/W2098758514","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W2508671622","https://openalex.org/W2556532874"],"abstract_inverted_index":{"Standard":[0],"collaborative":[1,100],"filtering":[2,101],"recommender":[3,38,51,94,102],"systems":[4,39,52],"assume":[5],"that":[6,124],"every":[7],"account":[8,32],"in":[9,41,74,90],"the":[10,34,54,67,75,92,114,122,127],"training":[11],"data":[12],"represents":[13],"a":[14,22,29,82],"single":[15,23,30],"user.":[16],"However,":[17],"multiple":[18,133],"users":[19],"often":[20,58],"share":[21],"account.":[24],"A":[25],"typical":[26],"example":[27],"is":[28,47,62,96],"shopping":[31],"for":[33,87,120],"whole":[35],"family.":[36],"Traditional":[37],"fail":[40],"this":[42,85],"situation.":[43],"If":[44],"contextual":[45,60,78],"information":[46,61],"available,":[48],"context":[49],"aware":[50],"are":[53],"state-of-the-art":[55],"solution.":[56],"Yet,":[57],"no":[59],"available.":[63],"Therefore,":[64],"we":[65],"introduce":[66],"challenge":[68,86],"of":[69,77,116,129],"recommending":[70],"to":[71,84],"shared":[72,130],"accounts":[73,131],"absence":[76],"information.":[79],"We":[80,111],"propose":[81],"solution":[83,119],"all":[88],"cases":[89],"which":[91],"reference":[93],"system":[95],"an":[97],"item-based":[98],"top-N":[99],"system,":[103],"generating":[104],"recommendations":[105],"based":[106],"on":[107,132],"binary,":[108],"positive-only":[109],"feedback.":[110],"experimentally":[112],"show":[113],"advantages":[115],"our":[117],"proposed":[118],"tackling":[121],"problems":[123],"arise":[125],"from":[126],"existence":[128],"datasets.":[134]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":4}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}