{"id":"https://openalex.org/W4392612085","doi":"https://doi.org/10.1145/3627508.3638342","title":"The Dark Matter of Serendipity in Recommender Systems","display_name":"The Dark Matter of Serendipity in Recommender Systems","publication_year":2024,"publication_date":"2024-03-08","ids":{"openalex":"https://openalex.org/W4392612085","doi":"https://doi.org/10.1145/3627508.3638342"},"language":"en","primary_location":{"id":"doi:10.1145/3627508.3638342","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3627508.3638342","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3627508.3638342","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3627508.3638342","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049179047","display_name":"Denis Kotkov","orcid":"https://orcid.org/0000-0003-4729-1995"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Denis Kotkov","raw_affiliation_strings":["University of Helsinki, Finland"],"raw_orcid":"https://orcid.org/0000-0003-4729-1995","affiliations":[{"raw_affiliation_string":"University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007118986","display_name":"Alan Medlar","orcid":"https://orcid.org/0000-0002-5139-9483"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Alan Medlar","raw_affiliation_strings":["University of Helsinki, Finland"],"raw_orcid":"https://orcid.org/0000-0002-5139-9483","affiliations":[{"raw_affiliation_string":"University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5094103865","display_name":"Triin Kask","orcid":"https://orcid.org/0000-0002-9003-3505"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Triin Kask","raw_affiliation_strings":["Metatellus, Estonia"],"raw_orcid":"https://orcid.org/0000-0002-9003-3505","affiliations":[{"raw_affiliation_string":"Metatellus, Estonia","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001270670","display_name":"Dorota G\u0142owacka","orcid":"https://orcid.org/0000-0001-7008-3380"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Dorota Glowacka","raw_affiliation_strings":["University of Helsinki, Finland"],"raw_orcid":"https://orcid.org/0000-0001-7008-3380","affiliations":[{"raw_affiliation_string":"University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.2909,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.97597166,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"108","last_page":"118"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9932000041007996,"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":0.9815000295639038,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/serendipity","display_name":"Serendipity","score":0.9983423352241516},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.7406795024871826},{"id":"https://openalex.org/keywords/relevance","display_name":"Relevance (law)","score":0.6421452164649963},{"id":"https://openalex.org/keywords/novelty","display_name":"Novelty","score":0.640335202217102},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.618318498134613},{"id":"https://openalex.org/keywords/meaning","display_name":"Meaning (existential)","score":0.4869705140590668},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.3770103454589844},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.3272387981414795},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3203595280647278},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.2456359565258026},{"id":"https://openalex.org/keywords/social-psychology","display_name":"Social psychology","score":0.14164525270462036},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.07205259799957275},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.07064777612686157}],"concepts":[{"id":"https://openalex.org/C2779119418","wikidata":"https://www.wikidata.org/wiki/Q166039","display_name":"Serendipity","level":2,"score":0.9983423352241516},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.7406795024871826},{"id":"https://openalex.org/C158154518","wikidata":"https://www.wikidata.org/wiki/Q7310970","display_name":"Relevance (law)","level":2,"score":0.6421452164649963},{"id":"https://openalex.org/C2778738651","wikidata":"https://www.wikidata.org/wiki/Q16546687","display_name":"Novelty","level":2,"score":0.640335202217102},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.618318498134613},{"id":"https://openalex.org/C2780876879","wikidata":"https://www.wikidata.org/wiki/Q3054749","display_name":"Meaning (existential)","level":2,"score":0.4869705140590668},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.3770103454589844},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3272387981414795},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3203595280647278},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.2456359565258026},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.14164525270462036},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.07205259799957275},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.07064777612686157},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3627508.3638342","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3627508.3638342","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3627508.3638342","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3627508.3638342","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3627508.3638342","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3627508.3638342","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4392612085.pdf"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1847964736","https://openalex.org/W1971040550","https://openalex.org/W1982847643","https://openalex.org/W1996533415","https://openalex.org/W2007636657","https://openalex.org/W2009718036","https://openalex.org/W2012903477","https://openalex.org/W2016462905","https://openalex.org/W2045453095","https://openalex.org/W2161498332","https://openalex.org/W2161676175","https://openalex.org/W2412095570","https://openalex.org/W2514091133","https://openalex.org/W2527653252","https://openalex.org/W2562236173","https://openalex.org/W2811138351","https://openalex.org/W2903119928","https://openalex.org/W2908054697","https://openalex.org/W2913853152","https://openalex.org/W3043485137","https://openalex.org/W3088694119","https://openalex.org/W3154445493","https://openalex.org/W3184590217","https://openalex.org/W3188443178","https://openalex.org/W4327909690"],"related_works":["https://openalex.org/W4205615116","https://openalex.org/W2154428221","https://openalex.org/W2531086667","https://openalex.org/W35325473","https://openalex.org/W1876349746","https://openalex.org/W3125216959","https://openalex.org/W3021907593","https://openalex.org/W2045676999","https://openalex.org/W2765630348","https://openalex.org/W4312541699"],"abstract_inverted_index":{"Serendipity":[0],"has":[1,61,133],"been":[2,134],"recognized":[3],"as":[4],"a":[5,14,73,107,168],"valuable":[6],"property":[7],"of":[8,16,22,30,36,45,77,96,110,130,142,155,170,172,177,187,196],"recommender":[9,100,122,191],"systems.":[10],"While":[11],"there":[12],"is":[13,25,47],"lack":[15],"consensus":[17],"on":[18],"the":[19,31,39,63,116,121,127,156,174,185,194],"precise":[20],"definition":[21,76],"serendipity,":[23,173],"it":[24],"often":[26],"conceptualized":[27],"in":[28,66,120,136,190],"terms":[29],"relevance,":[32],"novelty":[33],"and":[34,42,193],"unexpectedness":[35],"recommendations.":[37],"However,":[38],"common":[40],"understanding":[41],"original":[43],"meaning":[44],"serendipity":[46,68,131,189,198],"conceptually":[48],"broader,":[49],"requiring":[50],"serendipitous":[51,111,148],"encounters":[52],"to":[53,72],"be":[54,146],"neither":[55],"novel":[56],"nor":[57],"unexpected.":[58],"Recent":[59],"work":[60],"highlighted":[62],"various":[64],"ways":[65],"which":[67,143],"can":[69],"manifest,":[70],"leading":[71],"more":[74],"generalized":[75],"serendipity.":[78],"In":[79,102],"this":[80],"paper,":[81],"we":[82,88,105],"conducted":[83],"an":[84,97],"observational":[85],"study":[86],"where":[87],"collected":[89],"2002":[90],"survey":[91],"responses":[92],"from":[93],"397":[94],"users":[95],"online":[98],"article":[99],"system.":[101],"our":[103],"study,":[104],"found":[106],"significant":[108],"proportion":[109],"recommendations":[112],"were":[113],"missed":[114],"by":[115],"conventional":[117],"definitions":[118,157,171],"used":[119],"systems":[123,192],"research":[124],"literature,":[125],"exposing":[126],"\u201cdark":[128],"matter\u201d":[129],"that":[132],"overlooked":[135],"prior":[137],"studies.":[138],"Interestingly,":[139],"users\u2019":[140],"opinions":[141],"articles":[144],"should":[145],"considered":[147],"did":[149],"not":[150],"strongly":[151],"align":[152],"with":[153,167,199],"any":[154],"investigated.":[158],"Furthermore,":[159],"despite":[160],"several":[161],"user":[162,200],"behaviors":[163],"being":[164],"significantly":[165],"associated":[166],"majority":[169],"overall":[175],"goodness":[176],"fit":[178],"was":[179],"very":[180],"low.":[181],"Our":[182],"findings":[183],"highlight":[184],"issues":[186],"evaluating":[188],"challenge":[195],"reconciling":[197],"expectations.":[201]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":3}],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2025-10-10T00:00:00"}
