{"id":"https://openalex.org/W2946335520","doi":"https://doi.org/10.1145/3308560.3316704","title":"CrowdGuard: Characterization and Early Detection of Collective Content Polluters in Online Social Networks","display_name":"CrowdGuard: Characterization and Early Detection of Collective Content Polluters in Online Social Networks","publication_year":2019,"publication_date":"2019-05-13","ids":{"openalex":"https://openalex.org/W2946335520","doi":"https://doi.org/10.1145/3308560.3316704","mag":"2946335520"},"language":"en","primary_location":{"id":"doi:10.1145/3308560.3316704","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3308560.3316704","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of The 2019 World Wide Web Conference","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3308560.3316704","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100343458","display_name":"Ke Li","orcid":"https://orcid.org/0000-0001-8372-0350"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ke Li","raw_affiliation_strings":["Northwestern Polytechnical University Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"Northwestern Polytechnical University Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078005520","display_name":"Bin Guo","orcid":"https://orcid.org/0000-0001-6097-2467"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Guo","raw_affiliation_strings":["Northwestern Polytechnical University Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"Northwestern Polytechnical University Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019848695","display_name":"Qiuyun Zhang","orcid":"https://orcid.org/0000-0002-3905-962X"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiuyun Zhang","raw_affiliation_strings":["Northwestern Polytechnical University Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"Northwestern Polytechnical University Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077597756","display_name":"Jianping Yuan","orcid":null},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping Yuan","raw_affiliation_strings":["Northwestern Polytechnical University Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"Northwestern Polytechnical University Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100701166","display_name":"Zhiwen Yu","orcid":"https://orcid.org/0000-0002-9905-3238"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiwen Yu","raw_affiliation_strings":["Northwestern Polytechnical University Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"Northwestern Polytechnical University Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I17145004"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100343458"],"corresponding_institution_ids":["https://openalex.org/I17145004"],"apc_list":null,"apc_paid":null,"fwci":0.3391,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.65912403,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1063","last_page":"1070"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11644","display_name":"Spam and Phishing Detection","score":1.0,"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/T11644","display_name":"Spam and Phishing Detection","score":1.0,"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/T10400","display_name":"Network Security and Intrusion Detection","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11241","display_name":"Advanced Malware Detection Techniques","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/lagging","display_name":"Lagging","score":0.704541802406311},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6538099646568298},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.6494040489196777},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5041054487228394},{"id":"https://openalex.org/keywords/content","display_name":"Content (measure theory)","score":0.5027632713317871},{"id":"https://openalex.org/keywords/content-analysis","display_name":"Content analysis","score":0.4483467936515808},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.44705477356910706},{"id":"https://openalex.org/keywords/politics","display_name":"Politics","score":0.41568225622177124},{"id":"https://openalex.org/keywords/law","display_name":"Law","score":0.19747906923294067},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.12591442465782166},{"id":"https://openalex.org/keywords/sociology","display_name":"Sociology","score":0.0999377965927124}],"concepts":[{"id":"https://openalex.org/C2776962539","wikidata":"https://www.wikidata.org/wiki/Q6472078","display_name":"Lagging","level":2,"score":0.704541802406311},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6538099646568298},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.6494040489196777},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5041054487228394},{"id":"https://openalex.org/C2778152352","wikidata":"https://www.wikidata.org/wiki/Q5165061","display_name":"Content (measure theory)","level":2,"score":0.5027632713317871},{"id":"https://openalex.org/C162446236","wikidata":"https://www.wikidata.org/wiki/Q653137","display_name":"Content analysis","level":2,"score":0.4483467936515808},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.44705477356910706},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.41568225622177124},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.19747906923294067},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.12591442465782166},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0999377965927124},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"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/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3308560.3316704","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3308560.3316704","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of The 2019 World Wide Web Conference","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3308560.3316704","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3308560.3316704","pdf_url":null,"source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Companion Proceedings of The 2019 World Wide Web Conference","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.8100000023841858,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W74999755","https://openalex.org/W176212337","https://openalex.org/W1486632395","https://openalex.org/W1506806321","https://openalex.org/W1638051351","https://openalex.org/W1781642226","https://openalex.org/W1837843568","https://openalex.org/W1965586806","https://openalex.org/W1986678144","https://openalex.org/W1992685726","https://openalex.org/W1994500462","https://openalex.org/W1998871422","https://openalex.org/W1999683085","https://openalex.org/W2020754036","https://openalex.org/W2028475679","https://openalex.org/W2047537658","https://openalex.org/W2049053217","https://openalex.org/W2050884984","https://openalex.org/W2122646361","https://openalex.org/W2125490153","https://openalex.org/W2163764145","https://openalex.org/W2187846933","https://openalex.org/W2218242280","https://openalex.org/W2230089931","https://openalex.org/W2248544358","https://openalex.org/W2263846226","https://openalex.org/W2269924745","https://openalex.org/W2286465138","https://openalex.org/W2416333174","https://openalex.org/W2435251607","https://openalex.org/W2573614998","https://openalex.org/W2574953090","https://openalex.org/W2595521492","https://openalex.org/W2596225776","https://openalex.org/W2604992511","https://openalex.org/W2769951052","https://openalex.org/W2953375899","https://openalex.org/W2964264878","https://openalex.org/W3098249847","https://openalex.org/W3125182500","https://openalex.org/W4289253852"],"related_works":["https://openalex.org/W2135562825","https://openalex.org/W3145783610","https://openalex.org/W2354181859","https://openalex.org/W2757096358","https://openalex.org/W2472614530","https://openalex.org/W2375646802","https://openalex.org/W2052668055","https://openalex.org/W2162038069","https://openalex.org/W1912037221","https://openalex.org/W2568448309"],"abstract_inverted_index":{"Recently,":[0],"content":[1,59,63,105,131,170],"polluters":[2,76,106,132,171],"post":[3],"malicious":[4],"information":[5],"in":[6,41],"Online":[7],"Social":[8],"Networks":[9],"(OSNs),":[10],"which":[11],"is":[12,96,201],"a":[13,21,117,175],"more":[14,16],"and":[15,44,92,107,133,139,156,186,200],"serious":[17,22],"problem":[18],"that":[19,195],"poses":[20],"threat":[23],"to":[24,67,99,147,158],"the":[25,36,101,109,126,141,149,163,188],"privacy":[26],"information,":[27],"account":[28],"security,":[29],"user":[30],"experience,":[31],"etc.":[32],"They":[33],"continuously":[34],"simulate":[35],"behaviors":[37,128],"of":[38,58,81,103,129,152,168,190],"legitimate":[39,134],"accounts":[40,153],"various":[42],"ways,":[43],"evade":[45],"detection":[46,88,120,185],"systems":[47],"against":[48],"them.":[49],"In":[50],"this":[51],"paper,":[52],"we":[53,178],"focus":[54,73],"on":[55,74,172],"one":[56],"kind":[57],"polluter,":[60],"namely":[61],"collective":[62,104,130,169],"polluter":[64],"(hereinafter":[65],"referred":[66],"as":[68],"CCP).":[69],"Existing":[70],"works":[71],"either":[72],"individual":[75],"or":[77],"require":[78],"long":[79],"periods":[80],"data":[82],"records":[83],"for":[84,111,203],"detection,":[85],"making":[86],"their":[87],"methods":[89,110,199],"less":[90],"robust":[91],"lagging":[93],"behind.":[94],"It":[95,124],"thus":[97],"necessary":[98],"analyze":[100],"characteristics":[102],"study":[108],"early":[112,119,160,184,204],"detection.":[113,161,205],"This":[114],"paper":[115],"proposes":[116],"CCP":[118],"method":[121,146],"called":[122],"CrowdGuard.":[123,191],"analyzes":[125],"crowd":[127],"accounts,":[135],"extracts":[136],"distinctive":[137],"features,":[138],"leverages":[140],"Gaussian":[142],"Mixture":[143],"Model":[144],"(GMM)":[145],"cluster":[148],"two":[150],"groups":[151],"(legitimate":[154],"users":[155],"polluters)":[157],"achieve":[159],"Using":[162],"public":[164],"dataset":[165],"including":[166],"thousands":[167],"Twitter":[173],"about":[174],"political":[176],"election,":[177],"design":[179],"an":[180],"experimental":[181],"scenario":[182],"simulating":[183],"evaluate":[187],"performance":[189],"The":[192],"results":[193],"show":[194],"CrowdGuard":[196],"outperforms":[197],"existing":[198],"adequate":[202]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}