{"id":"https://openalex.org/W2073771637","doi":"https://doi.org/10.1145/2365952.2365976","title":"High quality recommendations for small communities","display_name":"High quality recommendations for small communities","publication_year":2012,"publication_date":"2012-09-09","ids":{"openalex":"https://openalex.org/W2073771637","doi":"https://doi.org/10.1145/2365952.2365976","mag":"2073771637"},"language":"en","primary_location":{"id":"doi:10.1145/2365952.2365976","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2365952.2365976","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the sixth 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/A5074181900","display_name":"Sven Strickroth","orcid":"https://orcid.org/0000-0002-9647-300X"},"institutions":[{"id":"https://openalex.org/I43980791","display_name":"Clausthal University of Technology","ror":"https://ror.org/04qb8nc58","country_code":"DE","type":"education","lineage":["https://openalex.org/I43980791"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Sven Strickroth","raw_affiliation_strings":["Clausthal University of Technology, Clausthal-Zellerfeld, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clausthal University of Technology, Clausthal-Zellerfeld, Germany","institution_ids":["https://openalex.org/I43980791"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057497085","display_name":"Niels Pinkwart","orcid":"https://orcid.org/0000-0001-7076-9737"},"institutions":[{"id":"https://openalex.org/I43980791","display_name":"Clausthal University of Technology","ror":"https://ror.org/04qb8nc58","country_code":"DE","type":"education","lineage":["https://openalex.org/I43980791"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Niels Pinkwart","raw_affiliation_strings":["Clausthal University of Technology, Clausthal-Zellerfeld, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clausthal University of Technology, Clausthal-Zellerfeld, Germany","institution_ids":["https://openalex.org/I43980791"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5074181900"],"corresponding_institution_ids":["https://openalex.org/I43980791"],"apc_list":null,"apc_paid":null,"fwci":5.143,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.95360081,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"107","last_page":"114"},"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/T13274","display_name":"Expert finding and Q&A systems","score":0.9718000292778015,"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":0.9646999835968018,"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/recommender-system","display_name":"Recommender system","score":0.8418086767196655},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.814035177230835},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8076391220092773},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.6533081531524658},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5866204500198364},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5284007787704468},{"id":"https://openalex.org/keywords/precision-and-recall","display_name":"Precision and recall","score":0.5127788186073303},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.4591606855392456},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4398542642593384},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.335781455039978}],"concepts":[{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.8418086767196655},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.814035177230835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8076391220092773},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.6533081531524658},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5866204500198364},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5284007787704468},{"id":"https://openalex.org/C81669768","wikidata":"https://www.wikidata.org/wiki/Q2359161","display_name":"Precision and recall","level":2,"score":0.5127788186073303},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4591606855392456},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4398542642593384},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.335781455039978},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2365952.2365976","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2365952.2365976","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the sixth ACM conference on Recommender systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.6700000166893005,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W153250912","https://openalex.org/W341443377","https://openalex.org/W1481337799","https://openalex.org/W1530276735","https://openalex.org/W1542664738","https://openalex.org/W1603378382","https://openalex.org/W1882758831","https://openalex.org/W1971040550","https://openalex.org/W1973754941","https://openalex.org/W2006551346","https://openalex.org/W2028036481","https://openalex.org/W2029507558","https://openalex.org/W2031489019","https://openalex.org/W2042281163","https://openalex.org/W2049670925","https://openalex.org/W2084533964","https://openalex.org/W2085937320","https://openalex.org/W2093811356","https://openalex.org/W2101409192","https://openalex.org/W2113858518","https://openalex.org/W2159299011","https://openalex.org/W2622684336","https://openalex.org/W4232980324","https://openalex.org/W6606174720","https://openalex.org/W6628864890","https://openalex.org/W6632443183"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W1484355083","https://openalex.org/W4220714703","https://openalex.org/W2098758514","https://openalex.org/W2735929803","https://openalex.org/W3008845055","https://openalex.org/W2170391450","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W2508671622"],"abstract_inverted_index":{"Traditional":[0],"recommender":[1,50,61],"systems":[2,62],"are":[3,14,25,130,201],"well":[4,55],"established":[5],"in":[6,8,28,73,93,127,148,157,170],"scenarios":[7],"which":[9,32],"\"enough\"items,":[10],"users":[11],"and":[12,38,69,110,119,155,186,203],"ratings":[13],"available":[15],"for":[16,49,82,133,198],"the":[17,45,94,103,123,144,174],"algorithms":[18],"to":[19,75,78,142,172],"operate":[20],"on.":[21],"However,":[22],"automatic":[23],"recommendations":[24,80,147],"also":[26,81,139],"desirable":[27],"smaller":[29,84,134,199],"online":[30,135],"communities":[31,200],"only":[33],"contain":[34],"several":[35],"hundred":[36],"items":[37],"users.":[39],"Collaborative":[40],"filters,":[41],"as":[42],"one":[43],"of":[44,66,105,108,113,146,176],"most":[46],"successful":[47],"technologies":[48],"systems,":[51],"do":[52],"not":[53],"perform":[54],"here.":[56],"This":[57],"paper":[58,95,129],"argues":[59],"that":[60,195],"can":[63,138,204],"make":[64],"use":[65,104],"contextual":[67],"information":[68],"domain":[70],"specific":[71],"semantics":[72],"order":[74,171],"be":[76,140],"able":[77],"generate":[79],"these":[83],"usage":[85],"scenarios.":[86],"The":[87,151,192],"new":[88,106],"hybrid":[89],"recommendation":[90,115],"approach":[91,152],"presented":[92,126],"enhances":[96],"traditional":[97],"neighborhood-based":[98],"collaborative":[99],"filtering":[100],"techniques":[101,125],"through":[102],"kinds":[107],"data":[109],"a":[111,158,187],"combination":[112],"different":[114],"methods":[116],"(rule,":[117],"demographic,":[118],"average":[120],"based).":[121],"While":[122],"algorithmic":[124],"this":[128],"suitable":[131],"(especially)":[132],"communities,":[136],"they":[137],"applied":[141],"improve":[143],"quality":[145,175,207],"larger":[149],"communities.":[150],"was":[153,168],"implemented":[154],"evaluated":[156],"small":[159],"regional":[160],"bound":[161],"parent":[162],"education":[163],"community.":[164],"A":[165,178],"multi-staged":[166],"evaluation":[167],"conducted":[169],"determine":[173],"recommendations:":[177],"cross-validation":[179],"(recall),":[180],"an":[181],"expert":[182],"questionnaire":[183],"(recommendation":[184],"quality)":[185],"field":[188],"study":[189],"(user":[190],"satisfaction).":[191],"results":[193],"show":[194],"recommenders":[196],"even":[197],"possible":[202],"produce":[205],"high":[206],"recommendations.":[208]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}