{"id":"https://openalex.org/W4213054031","doi":"https://doi.org/10.1109/tdsc.2022.3151701","title":"Enhancing Sybil Detection via Social-Activity Networks: A Random Walk Approach","display_name":"Enhancing Sybil Detection via Social-Activity Networks: A Random Walk Approach","publication_year":2022,"publication_date":"2022-02-16","ids":{"openalex":"https://openalex.org/W4213054031","doi":"https://doi.org/10.1109/tdsc.2022.3151701"},"language":"en","primary_location":{"id":"doi:10.1109/tdsc.2022.3151701","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2022.3151701","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Dependable and Secure Computing","raw_type":"journal-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/A5071112795","display_name":"Xiaoying Zhang","orcid":"https://orcid.org/0000-0001-7036-0835"},"institutions":[{"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"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xiaoying Zhang","raw_affiliation_strings":["Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064190343","display_name":"Hong Xie","orcid":"https://orcid.org/0000-0001-7935-7210"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Xie","raw_affiliation_strings":["Chongqing Key Laboratory of Software Theory and Technology, Chongqing University, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0001-7935-7210","affiliations":[{"raw_affiliation_string":"Chongqing Key Laboratory of Software Theory and Technology, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006752593","display_name":"Pei Yi","orcid":"https://orcid.org/0009-0008-2206-0393"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pei Yi","raw_affiliation_strings":["Chongqing Key Laboratory of Software Theory and Technology, Chongqing University, Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing Key Laboratory of Software Theory and Technology, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068489266","display_name":"John C. S. Lui","orcid":"https://orcid.org/0000-0001-7466-0384"},"institutions":[{"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"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"John C.S. Lui","raw_affiliation_strings":["Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-7466-0384","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, The Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0974,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.92525497,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"20","issue":"2","first_page":"1213","last_page":"1227"},"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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9965000152587891,"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/T11800","display_name":"User Authentication and Security Systems","score":0.9958999752998352,"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/computer-science","display_name":"Computer science","score":0.6897449493408203},{"id":"https://openalex.org/keywords/random-walk","display_name":"Random walk","score":0.6502211093902588},{"id":"https://openalex.org/keywords/sybil-attack","display_name":"Sybil attack","score":0.4278544783592224},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3528043031692505},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.2903900146484375},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.11068162322044373},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08341819047927856}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6897449493408203},{"id":"https://openalex.org/C121194460","wikidata":"https://www.wikidata.org/wiki/Q856741","display_name":"Random walk","level":2,"score":0.6502211093902588},{"id":"https://openalex.org/C2777505653","wikidata":"https://www.wikidata.org/wiki/Q4470796","display_name":"Sybil attack","level":3,"score":0.4278544783592224},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3528043031692505},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.2903900146484375},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.11068162322044373},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08341819047927856}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tdsc.2022.3151701","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2022.3151701","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Dependable and Secure Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3292563469","display_name":null,"funder_award_id":"61902042","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1551760018","https://openalex.org/W1574936677","https://openalex.org/W1744901186","https://openalex.org/W1781642226","https://openalex.org/W1845137714","https://openalex.org/W1986678144","https://openalex.org/W1989643196","https://openalex.org/W1992685726","https://openalex.org/W2001706110","https://openalex.org/W2008620264","https://openalex.org/W2016707451","https://openalex.org/W2020754036","https://openalex.org/W2045775870","https://openalex.org/W2047443612","https://openalex.org/W2090212887","https://openalex.org/W2092277251","https://openalex.org/W2099399367","https://openalex.org/W2101196063","https://openalex.org/W2101447063","https://openalex.org/W2101890615","https://openalex.org/W2118765159","https://openalex.org/W2120111750","https://openalex.org/W2125490153","https://openalex.org/W2150941206","https://openalex.org/W2156716308","https://openalex.org/W2162010993","https://openalex.org/W2163764145","https://openalex.org/W2168508162","https://openalex.org/W2269924745","https://openalex.org/W2735406005","https://openalex.org/W2736180094","https://openalex.org/W2739698069","https://openalex.org/W2751074899","https://openalex.org/W2764040154","https://openalex.org/W2885472101","https://openalex.org/W2952211751","https://openalex.org/W2963021929","https://openalex.org/W2986868741","https://openalex.org/W3098680549","https://openalex.org/W3168271775","https://openalex.org/W4253083841","https://openalex.org/W4289253852","https://openalex.org/W6633006935","https://openalex.org/W6638049533","https://openalex.org/W6684716366"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2340192855","https://openalex.org/W2741062270","https://openalex.org/W2326507185","https://openalex.org/W2165491783","https://openalex.org/W2783409857","https://openalex.org/W3107051568","https://openalex.org/W2318209665"],"abstract_inverted_index":{"Detecting":[0],"fake":[1],"accounts":[2],"(sybils)":[3],"in":[4,55,85],"online":[5],"social":[6],"networks":[7],"(OSNs)":[8],"is":[9,77,218],"vital":[10],"to":[11,59,71,88,92,116,144,168,182,193,247],"protect":[12],"OSN":[13],"operators":[14],"and":[15,102,113,137,156,175,204,212,224],"their":[16,114],"users":[17,80],"from":[18],"various":[19],"malicious":[20],"activities.":[21,120],"Typical":[22],"graph-based":[23],"sybil":[24,73,127,222,235],"detection":[25,61,171,196],"(a":[26],"mainstream":[27],"methodology)":[28],"assumes":[29],"that":[30,49,78,109,216],"sybils":[31,131,146,199,227],"can":[32,132,225],"make":[33],"friends":[34],"with":[35,90],"only":[36],"a":[37,106,124],"limited":[38],"(or":[39],"small)":[40],"number":[41,178],"of":[42,160,179,245],"honest":[43,79],"users.":[44],"However,":[45],"recent":[46],"evidences":[47],"showed":[48],"this":[50,65],"assumption":[51],"does":[52],"not":[53],"hold":[54],"real-world":[56,213],"OSNs,":[57],"leading":[58],"low":[60,238],"accuracy.":[62,239,251],"To":[63],"address":[64],"challenge,":[66],"we":[67,241],"explore":[68],"users\u2019":[69,111,119],"activities":[70],"assist":[72],"detection.":[74],"The":[75],"intuition":[76],"are":[81],"much":[82],"more":[83,125],"selective":[84],"choosing":[86],"who":[87],"interact":[89],"than":[91],"befriend":[93],"with.":[94],"We":[95,121,140,162,186],"first":[96],"develop":[97,163],"the":[98,154,158,170,177,184,195],"<italic":[99,188],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[100,189],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">social":[101],"activity":[103,138,205],"network</i>":[104],"(SAN),":[105],"two-layer":[107],"hyper-graph":[108],"unifies":[110],"friendships":[112],"activities,":[115],"fully":[117],"utilize":[118],"also":[122],"propose":[123],"practical":[126,230],"attack":[128],"model,":[129],"where":[130,232],"launch":[133,200],"both":[134,210],"friendship":[135,202],"attacks":[136,203],"attacks.":[139,206],"then":[141],"design":[142],"Sybil_SAN":[143,217,246],"detect":[145,226],"via":[147],"coupling":[148],"three":[149],"random":[150],"walk-based":[151],"algorithms":[152],"on":[153,209],"SAN,":[155],"prove":[157],"convergence":[159],"Sybil_SAN.":[161],"an":[164],"efficient":[165],"iterative":[166],"algorithm":[167],"compute":[169],"metric":[172],"for":[173],"Sybil_SAN,":[174],"derive":[176],"rounds":[180],"needed":[181],"guarantee":[183],"convergence.":[185],"use":[187],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\u201cmatrix":[190],"perturbation":[191],"theory\u201d</i>":[192],"bound":[194],"error":[197],"when":[198],"many":[201],"Extensive":[207],"experiments":[208],"synthetic":[211],"datasets":[214],"show":[215],"highly":[219],"robust":[220],"against":[221],"attacks,":[223],"accurately":[228],"under":[229],"scenarios,":[231],"current":[233],"state-of-art":[234],"defenses":[236],"have":[237],"Lastly,":[240],"present":[242],"two":[243],"extensions":[244],"further":[248],"improve":[249],"its":[250]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
