{"id":"https://openalex.org/W2746812884","doi":"https://doi.org/10.1145/3109859.3109899","title":"Metalearning for Context-aware Filtering","display_name":"Metalearning for Context-aware Filtering","publication_year":2017,"publication_date":"2017-08-24","ids":{"openalex":"https://openalex.org/W2746812884","doi":"https://doi.org/10.1145/3109859.3109899","mag":"2746812884"},"language":"en","primary_location":{"id":"doi:10.1145/3109859.3109899","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3109859.3109899","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eleventh ACM Conference on Recommender Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://repositorio.inesctec.pt/handle/123456789/4236","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5077214843","display_name":"Tiago Cunha","orcid":"https://orcid.org/0000-0003-0564-6129"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Tiago Cunha","raw_affiliation_strings":["Faculdade de Engenharia da Universidade do Porto, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Engenharia da Universidade do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058183984","display_name":"Carlos Soares","orcid":"https://orcid.org/0000-0003-4549-8917"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Carlos Soares","raw_affiliation_strings":["Faculdade de Engenharia da Universidade do Porto, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculdade de Engenharia da Universidade do Porto, Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079499583","display_name":"Andr\u00e9 C. P. L. F. de Carvalho","orcid":"https://orcid.org/0000-0002-4765-6459"},"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":"Andr\u00e9 C.P.L.F. Carvalho","raw_affiliation_strings":["Universidade de S\u00e3o Paulo, ICMC, S\u00e3o Carlos, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidade de S\u00e3o Paulo, ICMC, S\u00e3o Carlos, Brazil","institution_ids":["https://openalex.org/I17974374"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5077214843"],"corresponding_institution_ids":["https://openalex.org/I182534213"],"apc_list":null,"apc_paid":null,"fwci":0.4753,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.59139785,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"14","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9943000078201294,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9437999725341797,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.7268754839897156},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7252155542373657},{"id":"https://openalex.org/keywords/tensor","display_name":"Tensor (intrinsic definition)","score":0.7010325193405151},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6838151216506958},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6554883122444153},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5845509767532349},{"id":"https://openalex.org/keywords/factorization","display_name":"Factorization","score":0.5173315405845642},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.47485923767089844},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4741087555885315},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46750175952911377},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.42281320691108704},{"id":"https://openalex.org/keywords/collaborative-filtering","display_name":"Collaborative filtering","score":0.417388379573822},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39864280819892883},{"id":"https://openalex.org/keywords/recommender-system","display_name":"Recommender system","score":0.366205632686615},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.35521990060806274},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3250783085823059},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21039775013923645}],"concepts":[{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.7268754839897156},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7252155542373657},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.7010325193405151},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6838151216506958},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6554883122444153},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5845509767532349},{"id":"https://openalex.org/C187834632","wikidata":"https://www.wikidata.org/wiki/Q188804","display_name":"Factorization","level":2,"score":0.5173315405845642},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.47485923767089844},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4741087555885315},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46750175952911377},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.42281320691108704},{"id":"https://openalex.org/C21569690","wikidata":"https://www.wikidata.org/wiki/Q94702","display_name":"Collaborative filtering","level":3,"score":0.417388379573822},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39864280819892883},{"id":"https://openalex.org/C557471498","wikidata":"https://www.wikidata.org/wiki/Q554950","display_name":"Recommender system","level":2,"score":0.366205632686615},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.35521990060806274},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3250783085823059},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21039775013923645},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3109859.3109899","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3109859.3109899","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Eleventh ACM Conference on Recommender Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.inesctec.pt:123456789/4236","is_oa":true,"landing_page_url":"http://repositorio.inesctec.pt/handle/123456789/4236","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference object"}],"best_oa_location":{"id":"pmh:oai:repositorio.inesctec.pt:123456789/4236","is_oa":true,"landing_page_url":"http://repositorio.inesctec.pt/handle/123456789/4236","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference object"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1167214205","display_name":null,"funder_award_id":"COMPETE","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"},{"id":"https://openalex.org/G3491971210","display_name":null,"funder_award_id":"COMPETE 2020","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"}],"funders":[{"id":"https://openalex.org/F4320320997","display_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","ror":"https://ror.org/02ddkpn78"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320324421","display_name":"Ag\u00eancia Nacional de Inova\u00e7\u00e3o","ror":"https://ror.org/01mvsby80"},{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W116375701","https://openalex.org/W980913505","https://openalex.org/W1189756313","https://openalex.org/W1495775210","https://openalex.org/W1500188831","https://openalex.org/W1560147776","https://openalex.org/W1588204329","https://openalex.org/W1921081011","https://openalex.org/W1963826206","https://openalex.org/W1965355809","https://openalex.org/W1971040550","https://openalex.org/W1989048657","https://openalex.org/W1996283866","https://openalex.org/W1999956270","https://openalex.org/W2000215628","https://openalex.org/W2002834872","https://openalex.org/W2019207508","https://openalex.org/W2019313057","https://openalex.org/W2024165284","https://openalex.org/W2025605741","https://openalex.org/W2054141820","https://openalex.org/W2061873838","https://openalex.org/W2063468305","https://openalex.org/W2065964874","https://openalex.org/W2079560958","https://openalex.org/W2082425016","https://openalex.org/W2083144552","https://openalex.org/W2091118421","https://openalex.org/W2100386719","https://openalex.org/W2100755716","https://openalex.org/W2102937240","https://openalex.org/W2112430581","https://openalex.org/W2121739212","https://openalex.org/W2122776323","https://openalex.org/W2140074939","https://openalex.org/W2141408223","https://openalex.org/W2142144955","https://openalex.org/W2160118270","https://openalex.org/W2167143366","https://openalex.org/W2171960770","https://openalex.org/W2287880243","https://openalex.org/W2294169544","https://openalex.org/W2396961612","https://openalex.org/W2511268104","https://openalex.org/W2527043897","https://openalex.org/W2592422147","https://openalex.org/W2594559005","https://openalex.org/W2605228598","https://openalex.org/W2997546679","https://openalex.org/W3005298327","https://openalex.org/W3102201080"],"related_works":["https://openalex.org/W2772628444","https://openalex.org/W1484355083","https://openalex.org/W2735929803","https://openalex.org/W4220714703","https://openalex.org/W3008845055","https://openalex.org/W2098758514","https://openalex.org/W2170391450","https://openalex.org/W4376854386","https://openalex.org/W2202724490","https://openalex.org/W2508671622"],"abstract_inverted_index":{"This":[0],"work":[1,109],"addresses":[2],"the":[3,11,31,39,63,83,96,103,128,144],"problem":[4],"of":[5,24,33,50,62],"selecting":[6,95],"Tensor":[7,84,138],"Factorization":[8,85,119,139],"algorithms":[9,86,140,146],"for":[10],"Context-aware":[12,54],"Filtering":[13,55],"recommendation":[14,56,149],"task":[15,73],"using":[16],"a":[17,77],"metalearning":[18,26],"approach.":[19],"The":[20,70,124],"most":[21],"important":[22],"challenge":[23],"applying":[25],"on":[27,112],"new":[28],"problems":[29],"is":[30,74,99,110],"development":[32],"useful":[34],"measures":[35],"able":[36],"to":[37,52,88,101,132,136],"characterize":[38,53],"data,":[40],"i.e.":[41],"metafeatures.":[42],"We":[43],"propose":[44],"an":[45],"extensive":[46],"and":[47,116,120,142],"exhaustive":[48],"set":[49],"metafeatures":[51,59,130],"task.":[57],"These":[58],"take":[60],"advantage":[61],"tensor's":[64],"hierarchical":[65],"structure":[66],"via":[67],"slice":[68],"operations.":[69],"algorithm":[71,97],"selection":[72],"addressed":[75],"as":[76],"Label":[78,121],"Ranking":[79],"problem,":[80],"which":[81],"ranks":[82],"according":[87],"their":[89],"expected":[90,100],"performance,":[91],"rather":[92],"than":[93],"simply":[94],"that":[98,127,134,143],"obtain":[102],"best":[104],"performance.":[105,150],"A":[106],"comprehensive":[107],"experimental":[108],"conducted":[111],"both":[113],"levels,":[114],"baselevel":[115],"metalevel":[117],"(Tensor":[118],"Ranking,":[122],"respectively).":[123],"results":[125],"show":[126],"proposed":[129],"lead":[131],"metamodels":[133],"tend":[135],"rank":[137],"accurately":[141],"selected":[145],"present":[147],"high":[148]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2}],"updated_date":"2026-05-02T08:42:23.175194","created_date":"2017-08-31T00:00:00"}
