{"id":"https://openalex.org/W2039257819","doi":"https://doi.org/10.1109/colcom.2007.4553831","title":"Countering feedback sparsity and manipulation in reputation systems","display_name":"Countering feedback sparsity and manipulation in reputation systems","publication_year":2007,"publication_date":"2007-11-01","ids":{"openalex":"https://openalex.org/W2039257819","doi":"https://doi.org/10.1109/colcom.2007.4553831","mag":"2039257819"},"language":"en","primary_location":{"id":"doi:10.1109/colcom.2007.4553831","is_oa":false,"landing_page_url":"https://doi.org/10.1109/colcom.2007.4553831","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom 2007)","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/A5078394535","display_name":"Li Xiong","orcid":"https://orcid.org/0000-0001-7354-0428"},"institutions":[{"id":"https://openalex.org/I150468666","display_name":"Emory University","ror":"https://ror.org/03czfpz43","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Li Xiong","raw_affiliation_strings":["Department of Mathematics and Computer Science, Emory University, USA","Department of Math and Computer Science, Emory University, Atlanta, GA#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, Emory University, USA","institution_ids":["https://openalex.org/I150468666"]},{"raw_affiliation_string":"Department of Math and Computer Science, Emory University, Atlanta, GA#TAB#","institution_ids":["https://openalex.org/I150468666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100343991","display_name":"Ling Liu","orcid":"https://orcid.org/0000-0002-4138-3082"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ling Liu","raw_affiliation_strings":["College of Computing, Georgia Institute of Technology, USA","College of Computing - Georgia Institute of Technology, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"College of Computing, Georgia Institute of Technology, USA","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"College of Computing - Georgia Institute of Technology, USA#TAB#","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018826118","display_name":"Mustaque Ahamad","orcid":"https://orcid.org/0000-0002-7955-5126"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mustaque Ahamad","raw_affiliation_strings":["College of Computing, Georgia Institute of Technology, USA","College of Computing - Georgia Institute of Technology, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"College of Computing, Georgia Institute of Technology, USA","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"College of Computing - Georgia Institute of Technology, USA#TAB#","institution_ids":["https://openalex.org/I130701444"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5078394535"],"corresponding_institution_ids":["https://openalex.org/I150468666"],"apc_list":null,"apc_paid":null,"fwci":4.0974,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.94303609,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"203","last_page":"212"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/reputation","display_name":"Reputation","score":0.8716698884963989},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7832481861114502},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.635299563407898},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5797519683837891},{"id":"https://openalex.org/keywords/feedback-control","display_name":"Feedback control","score":0.5769747495651245},{"id":"https://openalex.org/keywords/feedback-loop","display_name":"Feedback loop","score":0.5515418648719788},{"id":"https://openalex.org/keywords/reputation-system","display_name":"Reputation system","score":0.5202102065086365},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.47978097200393677},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.4301663041114807},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.35086435079574585},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3448423743247986},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.23935332894325256},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.08720186352729797},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.083960622549057}],"concepts":[{"id":"https://openalex.org/C48798503","wikidata":"https://www.wikidata.org/wiki/Q877546","display_name":"Reputation","level":2,"score":0.8716698884963989},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7832481861114502},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.635299563407898},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5797519683837891},{"id":"https://openalex.org/C3018651601","wikidata":"https://www.wikidata.org/wiki/Q183635","display_name":"Feedback control","level":2,"score":0.5769747495651245},{"id":"https://openalex.org/C186886427","wikidata":"https://www.wikidata.org/wiki/Q5441213","display_name":"Feedback loop","level":2,"score":0.5515418648719788},{"id":"https://openalex.org/C2781218421","wikidata":"https://www.wikidata.org/wiki/Q2892532","display_name":"Reputation system","level":3,"score":0.5202102065086365},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.47978097200393677},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.4301663041114807},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.35086435079574585},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3448423743247986},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.23935332894325256},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.08720186352729797},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.083960622549057},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/colcom.2007.4553831","is_oa":false,"landing_page_url":"https://doi.org/10.1109/colcom.2007.4553831","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 International Conference on Collaborative Computing: Networking, Applications and Worksharing (CollaborateCom 2007)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.73.5722","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.73.5722","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.mathcs.emory.edu/~lxiong/research/pub/xiong07countering.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309381","display_name":"Emory University","ror":"https://ror.org/03czfpz43"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W37757612","https://openalex.org/W1505128236","https://openalex.org/W1560267311","https://openalex.org/W1571527322","https://openalex.org/W1832221731","https://openalex.org/W1845137714","https://openalex.org/W1854214752","https://openalex.org/W1859197064","https://openalex.org/W1939407039","https://openalex.org/W1971040550","https://openalex.org/W1973812756","https://openalex.org/W1994181344","https://openalex.org/W2000368422","https://openalex.org/W2000781355","https://openalex.org/W2072651985","https://openalex.org/W2079041580","https://openalex.org/W2085937320","https://openalex.org/W2097726984","https://openalex.org/W2110325612","https://openalex.org/W2118016433","https://openalex.org/W2118744608","https://openalex.org/W2125173879","https://openalex.org/W2129124450","https://openalex.org/W2130234299","https://openalex.org/W2135255848","https://openalex.org/W2144780381","https://openalex.org/W2155972102","https://openalex.org/W2156523427","https://openalex.org/W2158392373","https://openalex.org/W2169757306","https://openalex.org/W2171960770","https://openalex.org/W2337430557","https://openalex.org/W2561954222","https://openalex.org/W2950332743","https://openalex.org/W4232980324","https://openalex.org/W4235965804","https://openalex.org/W4240776482","https://openalex.org/W4254761308","https://openalex.org/W6630218232","https://openalex.org/W6633449523","https://openalex.org/W6638958490","https://openalex.org/W6639055396","https://openalex.org/W6676522543","https://openalex.org/W6730638468"],"related_works":["https://openalex.org/W2294042815","https://openalex.org/W2157328853","https://openalex.org/W2517839752","https://openalex.org/W1986034399","https://openalex.org/W126629215","https://openalex.org/W2780022989","https://openalex.org/W2142891234","https://openalex.org/W2768561819","https://openalex.org/W808860418","https://openalex.org/W2952470056"],"abstract_inverted_index":{"Reputation":[0],"systems":[1,27],"provide":[2],"a":[3,60],"promising":[4],"way":[5],"for":[6],"building":[7],"trust":[8],"through":[9],"social":[10],"control":[11],"in":[12,20,85],"collaborative":[13],"communities":[14],"by":[15,35],"harnessing":[16],"the":[17,21,75,86],"community":[18],"knowledge":[19],"form":[22],"of":[23,70,74,88],"feedback.":[24],"However,":[25],"reputation":[26],"also":[28],"introduce":[29],"vulnerabilities":[30],"due":[31],"to":[32],"potential":[33,54],"manipulations":[34,56],"dishonest":[36],"or":[37],"malicious":[38],"players.":[39],"In":[40],"this":[41],"paper,":[42],"we":[43],"focus":[44],"on":[45,81],"two":[46],"closely":[47],"related":[48],"problems":[49],"-":[50,57],"feedback":[51,55,61,83,89],"sparsity":[52,84],"and":[53,58,77],"propose":[59],"similarity":[62],"based":[63],"inference":[64],"framework.":[65],"We":[66],"perform":[67],"extensive":[68],"evaluations":[69],"various":[71],"algorithmic":[72],"components":[73],"framework":[76],"evaluate":[78],"their":[79],"effectiveness":[80],"countering":[82],"presence":[87],"manipulations.":[90]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}