{"id":"https://openalex.org/W2946909506","doi":"https://doi.org/10.5220/0007677005130524","title":"Effect of Item Representation and Item Comparison Models on Metrics for Surprise in Recommender Systems","display_name":"Effect of Item Representation and Item Comparison Models on Metrics for Surprise in Recommender Systems","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2946909506","doi":"https://doi.org/10.5220/0007677005130524","mag":"2946909506"},"language":"en","primary_location":{"id":"doi:10.5220/0007677005130524","is_oa":false,"landing_page_url":"https://doi.org/10.5220/0007677005130524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st International Conference on Enterprise Information Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5049168316","display_name":"Andr\u00e9 Paulino de Lima","orcid":"https://orcid.org/0000-0002-3148-6686"},"institutions":[{"id":"https://openalex.org/I17974374","display_name":"Universidade de S\u00e3o Paulo","ror":"https://ror.org/036rp1748","country_code":"BR","type":"education","lineage":["https://openalex.org/I17974374"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Andre Paulino de Lima","raw_affiliation_strings":["School of Arts, Sciences and Humanities, University of S\u00e3o Paulo and Brazil, --- Select a Country ---"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Arts, Sciences and Humanities, University of S\u00e3o Paulo and Brazil, --- Select a Country ---","institution_ids":["https://openalex.org/I17974374"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056299555","display_name":"Sarajane Marques Peres","orcid":"https://orcid.org/0000-0003-3551-6480"},"institutions":[{"id":"https://openalex.org/I17974374","display_name":"Universidade de S\u00e3o Paulo","ror":"https://ror.org/036rp1748","country_code":"BR","type":"education","lineage":["https://openalex.org/I17974374"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Sarajane Peres","raw_affiliation_strings":["School of Arts, Sciences and Humanities, University of S\u00e3o Paulo and Brazil, --- Select a Country ---"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Arts, Sciences and Humanities, University of S\u00e3o Paulo and Brazil, --- Select a Country ---","institution_ids":["https://openalex.org/I17974374"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I17974374"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"513","last_page":"524"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12313","display_name":"Emotions and Moral Behavior","score":0.9740999937057495,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12313","display_name":"Emotions and Moral Behavior","score":0.9740999937057495,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12520","display_name":"Psychology of Moral and Emotional Judgment","score":0.9480000138282776,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10315","display_name":"Decision-Making and Behavioral Economics","score":0.9416000247001648,"subfield":{"id":"https://openalex.org/subfields/1800","display_name":"General Decision Sciences"},"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/recommender-system","display_name":"Recommender system","score":0.8598594665527344},{"id":"https://openalex.org/keywords/surprise","display_name":"Surprise","score":0.8496822118759155},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7604688405990601},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6211049556732178},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.47850385308265686},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.062166810035705566}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8598594665527344},{"id":"https://openalex.org/C2780343955","wikidata":"https://www.wikidata.org/wiki/Q333173","display_name":"Surprise","level":2,"score":0.8496822118759155},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7604688405990601},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6211049556732178},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.47850385308265686},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.062166810035705566},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5220/0007677005130524","is_oa":false,"landing_page_url":"https://doi.org/10.5220/0007677005130524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 21st International Conference on Enterprise Information Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4236382845","https://openalex.org/W4388712630","https://openalex.org/W2481168998","https://openalex.org/W2476994687","https://openalex.org/W642988558","https://openalex.org/W2324507472","https://openalex.org/W1999899047","https://openalex.org/W2173353921"],"abstract_inverted_index":{"Surprise":[0],"is":[1,91],"a":[2,37,87,174],"property":[3],"of":[4,20,42,49,70,96,129,152],"recommender":[5,115],"systems":[6],"that":[7,33,60,65,81,86,132,161,185],"has":[8],"been":[9],"receiving":[10],"increasing":[11],"attention":[12],"owing":[13],"to":[14,17,93,119,124,143,192],"its":[15],"links":[16],"serendipity.":[18],"Most":[19],"the":[21,47,55,63,73,94,104,135,145],"metrics":[22,61,111],"for":[23,89,112],"surprise":[24,35,71,90,113,149],"poorly":[25],"agree":[26],"with":[27,62,134],"definitions":[28],"employed":[29],"in":[30,46,80,114,163,195],"research":[31],"areas":[32],"conceptualise":[34],"as":[36],"human":[38],"factor,":[39],"and":[40,101,117,155,166,169,180],"because":[41],"this,":[43],"their":[44],"use":[45],"task":[48],"evaluating":[50],"recommendations":[51],"may":[52,76],"not":[53],"produce":[54],"desired":[56],"effect.":[57],"We":[58,157],"argue":[59],"characteristics":[64],"are":[66,99],"presumed":[67],"by":[68,103,150],"models":[69,128],"from":[72],"Cognitive":[74],"Science":[75],"be":[77,190],"more":[78],"successful":[79],"task.":[82],"Moreover,":[83],"we":[84,109,138],"show":[85,173],"metric":[88,133],"sensitive":[92],"choices":[95,151],"how":[97],"items":[98],"represented":[100],"compared":[102],"recommender.":[105],"In":[106],"this":[107],"paper,":[108],"review":[110],"systems,":[116],"analyse":[118],"which":[120,183],"extent":[121],"they":[122],"align":[123],"two":[125],"competing":[126],"cognitive":[127],"surprise.":[130],"For":[131],"highest":[136],"agreement,":[137],"conducted":[139],"an":[140],"off-line":[141],"experiment":[142],"estimate":[144],"effect":[146],"exerted":[147],"on":[148],"item":[153,167,178,181],"representation":[154,168,179],"comparison.":[156,170],"explore":[158],"56":[159],"recommenders":[160],"vary":[162],"recommendation":[164],"algorithms,":[165],"The":[171],"results":[172],"large":[175],"interaction":[176],"between":[177],"comparison,":[182],"suggests":[184],"new":[186],"distance":[187],"functions":[188],"can":[189],"explored":[191],"promote":[193],"serendipity":[194],"recommendations.":[196]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}