{"id":"https://openalex.org/W4403160208","doi":"https://doi.org/10.1145/3627673.3679697","title":"AlignGroup: Learning and Aligning Group Consensus with Member Preferences for Group Recommendation","display_name":"AlignGroup: Learning and Aligning Group Consensus with Member Preferences for Group Recommendation","publication_year":2024,"publication_date":"2024-10-20","ids":{"openalex":"https://openalex.org/W4403160208","doi":"https://doi.org/10.1145/3627673.3679697"},"language":"en","primary_location":{"id":"doi:10.1145/3627673.3679697","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3627673.3679697","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2409.02580","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009892151","display_name":"Jinfeng Xu","orcid":"https://orcid.org/0009-0001-7876-3740"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK","US"],"is_corresponding":true,"raw_author_name":"Jinfeng Xu","raw_affiliation_strings":["The University of Hong Kong, HongKong SAR, China","The Hong Kong Polytechnic University HongKong SAR, China","Carnegie Mellon University Pittsburgh, PA, USA"],"affiliations":[{"raw_affiliation_string":"The University of Hong Kong, HongKong SAR, China","institution_ids":["https://openalex.org/I177725633","https://openalex.org/I889458895"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University HongKong SAR, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Carnegie Mellon University Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101621051","display_name":"Zheyu Chen","orcid":"https://orcid.org/0009-0003-5779-3523"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK","US"],"is_corresponding":false,"raw_author_name":"Zheyu Chen","raw_affiliation_strings":["The Hong Kong Polytechnic University, HongKong SAR, China","Carnegie Mellon University Pittsburgh, PA, USA","The University of Hong Kong HongKong SAR, China"],"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University, HongKong SAR, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Carnegie Mellon University Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]},{"raw_affiliation_string":"The University of Hong Kong HongKong SAR, China","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053796862","display_name":"Jinze Li","orcid":"https://orcid.org/0009-0002-6749-5442"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK","US"],"is_corresponding":false,"raw_author_name":"Jinze Li","raw_affiliation_strings":["The University of Hong Kong, HongKong SAR, China","Carnegie Mellon University Pittsburgh, PA, USA","The Hong Kong Polytechnic University HongKong SAR, China"],"affiliations":[{"raw_affiliation_string":"The University of Hong Kong, HongKong SAR, China","institution_ids":["https://openalex.org/I177725633","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Carnegie Mellon University Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University HongKong SAR, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103695215","display_name":"Shuo Yang","orcid":"https://orcid.org/0000-0003-1638-9623"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK","US"],"is_corresponding":false,"raw_author_name":"Shuo Yang","raw_affiliation_strings":["The University of Hong Kong, HongKong SAR, China","Carnegie Mellon University Pittsburgh, PA, USA","The Hong Kong Polytechnic University HongKong SAR, China"],"affiliations":[{"raw_affiliation_string":"The University of Hong Kong, HongKong SAR, China","institution_ids":["https://openalex.org/I177725633","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Carnegie Mellon University Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University HongKong SAR, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101836291","display_name":"Hewei Wang","orcid":"https://orcid.org/0000-0002-6952-0886"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK","US"],"is_corresponding":false,"raw_author_name":"Hewei Wang","raw_affiliation_strings":["Carnegie Mellon University, Pittsburgh, PA, USA","The University of Hong Kong HongKong SAR, China","The Hong Kong Polytechnic University HongKong SAR, China"],"affiliations":[{"raw_affiliation_string":"Carnegie Mellon University, Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]},{"raw_affiliation_string":"The University of Hong Kong HongKong SAR, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University HongKong SAR, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077317339","display_name":"Edith C.\u2010H. Ngai","orcid":"https://orcid.org/0000-0002-3454-8731"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"id":"https://openalex.org/I74973139","display_name":"Carnegie Mellon University","ror":"https://ror.org/05x2bcf33","country_code":"US","type":"education","lineage":["https://openalex.org/I74973139"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK","US"],"is_corresponding":false,"raw_author_name":"Edith C. H. Ngai","raw_affiliation_strings":["The University of Hong Kong, HongKong SAR, China","Carnegie Mellon University Pittsburgh, PA, USA","The Hong Kong Polytechnic University HongKong SAR, China"],"affiliations":[{"raw_affiliation_string":"The University of Hong Kong, HongKong SAR, China","institution_ids":["https://openalex.org/I177725633","https://openalex.org/I889458895"]},{"raw_affiliation_string":"Carnegie Mellon University Pittsburgh, PA, USA","institution_ids":["https://openalex.org/I74973139"]},{"raw_affiliation_string":"The Hong Kong Polytechnic University HongKong SAR, China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5009892151"],"corresponding_institution_ids":["https://openalex.org/I14243506","https://openalex.org/I177725633","https://openalex.org/I74973139","https://openalex.org/I889458895"],"apc_list":null,"apc_paid":null,"fwci":11.6594,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.98444413,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"2682","last_page":"2691"},"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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":0.9976000189781189,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/group","display_name":"Group (periodic table)","score":0.7620722055435181},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5586230754852295},{"id":"https://openalex.org/keywords/group-decision-making","display_name":"Group decision-making","score":0.41061779856681824},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33673226833343506},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.15533319115638733},{"id":"https://openalex.org/keywords/social-psychology","display_name":"Social psychology","score":0.08460932970046997},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.057390809059143066}],"concepts":[{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.7620722055435181},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5586230754852295},{"id":"https://openalex.org/C20701700","wikidata":"https://www.wikidata.org/wiki/Q388791","display_name":"Group decision-making","level":2,"score":0.41061779856681824},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33673226833343506},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.15533319115638733},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.08460932970046997},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.057390809059143066},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3627673.3679697","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3627673.3679697","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2409.02580","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2409.02580","pdf_url":"https://arxiv.org/pdf/2409.02580","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2409.02580","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2409.02580","pdf_url":"https://arxiv.org/pdf/2409.02580","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"score":0.7699999809265137,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4403160208.pdf"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W569478347","https://openalex.org/W2003605635","https://openalex.org/W2150886314","https://openalex.org/W2172118809","https://openalex.org/W2187089797","https://openalex.org/W2498525840","https://openalex.org/W2605350416","https://openalex.org/W2798538558","https://openalex.org/W2951217911","https://openalex.org/W2955081857","https://openalex.org/W2964051675","https://openalex.org/W2969689322","https://openalex.org/W3030899497","https://openalex.org/W3033661031","https://openalex.org/W3034844787","https://openalex.org/W3035289325","https://openalex.org/W3045200674","https://openalex.org/W3084515140","https://openalex.org/W3099602291","https://openalex.org/W3117719172","https://openalex.org/W3198760092","https://openalex.org/W3211072770","https://openalex.org/W4200610603","https://openalex.org/W4207040932","https://openalex.org/W4284701460","https://openalex.org/W4288055133","https://openalex.org/W4319653986","https://openalex.org/W4384655891","https://openalex.org/W4385567536","https://openalex.org/W6782858568"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2014786470","https://openalex.org/W2077860847"],"abstract_inverted_index":{"Group":[0],"activities":[1],"are":[2],"important":[3],"behaviors":[4],"in":[5],"human":[6],"society,":[7],"providing":[8],"personalized":[9,41],"recommendations":[10],"for":[11],"groups":[12],"is":[13],"referred":[14],"to":[15,30,101,132],"as":[16,170,172],"the":[17,58,63,69,72,103,139,157,161,166,174],"group":[18,32,36,46,50,85,93,99,104,109,135,140,162],"recommendation":[19,86,163,168],"task.":[20],"Existing":[21],"methods":[22],"can":[23],"usually":[24],"be":[25],"categorized":[26],"into":[27],"two":[28,149],"strategies":[29],"infer":[31,102],"preferences:":[33],"1)":[34],"determining":[35],"preferences":[37,74,97],"by":[38,48,137],"aggregating":[39],"members'":[40,51,143],"preferences,":[42],"and":[43,68,95,121,165],"2)":[44],"inferring":[45],"consensus":[47,94,110,141],"capturing":[49],"coherent":[52],"decisions":[53],"after":[54],"common":[55,144],"compromises.":[56],"However,":[57],"former":[59],"would":[60],"suffer":[61],"from":[62],"lack":[64],"of":[65,75,98,176],"group-level":[66],"considerations,":[67],"latter":[70],"overlooks":[71],"fine-grained":[73,134],"individual":[76,96],"users.":[77],"To":[78],"this":[79],"end,":[80],"we":[81],"propose":[82],"a":[83,112,128],"novel":[84],"method":[87],"AlignGroup,":[88],"which":[89],"focuses":[90],"on":[91,148,159],"both":[92,160],"members":[100],"decision-making.":[105],"Specifically,":[106],"AlignGroup":[107,125,155],"explores":[108],"through":[111],"well-designed":[113],"hypergraph":[114],"neural":[115],"network":[116],"that":[117,153],"efficiently":[118],"learns":[119],"intra-":[120],"inter-group":[122],"relationships.":[123],"Moreover,":[124],"innovatively":[126],"utilizes":[127],"self-supervised":[129],"alignment":[130],"task":[131,164],"capture":[133],"decision-making":[136],"aligning":[138],"with":[142],"preferences.":[145],"Extensive":[146],"experiments":[147],"real-world":[150],"datasets":[151],"validate":[152],"our":[154],"outperforms":[156,173],"state-of-the-art":[158],"user":[167],"task,":[169],"well":[171],"efficiency":[175],"most":[177],"baselines.":[178]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":14}],"updated_date":"2026-04-01T17:29:45.350535","created_date":"2025-10-10T00:00:00"}