{"id":"https://openalex.org/W4402837625","doi":"https://doi.org/10.1145/3660628","title":"mCaptcha: Replacing Captchas with Rate limiters to Improve Security and Accessibility","display_name":"mCaptcha: Replacing Captchas with Rate limiters to Improve Security and Accessibility","publication_year":2024,"publication_date":"2024-09-26","ids":{"openalex":"https://openalex.org/W4402837625","doi":"https://doi.org/10.1145/3660628"},"language":"en","primary_location":{"id":"doi:10.1145/3660628","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3660628","pdf_url":null,"source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","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/A5073029791","display_name":"A. S. Bharathi Manivannan","orcid":null},"institutions":[{"id":"https://openalex.org/I4210131147","display_name":"SRM University","ror":"https://ror.org/037skf023","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018","https://openalex.org/I4210131147"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Aravinth Manivannan","raw_affiliation_strings":["VIT-AP Campus, Computer Science and Engineering, Amaravati, Andhra Pradesh, India"],"affiliations":[{"raw_affiliation_string":"VIT-AP Campus, Computer Science and Engineering, Amaravati, Andhra Pradesh, India","institution_ids":["https://openalex.org/I4210131147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079313301","display_name":"Sibi Chakkaravarthy Sethuraman","orcid":"https://orcid.org/0000-0002-2808-0482"},"institutions":[{"id":"https://openalex.org/I4210131147","display_name":"SRM University","ror":"https://ror.org/037skf023","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018","https://openalex.org/I4210131147"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sibi Chakkaravarthy Sethuraman","raw_affiliation_strings":["VIT-AP Campus, Computer Science, Amaravati, Andhra Pradesh, India"],"affiliations":[{"raw_affiliation_string":"VIT-AP Campus, Computer Science, Amaravati, Andhra Pradesh, India","institution_ids":["https://openalex.org/I4210131147"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5107549825","display_name":"Devi Priya Vimala Sudhakaran","orcid":null},"institutions":[{"id":"https://openalex.org/I4210131147","display_name":"SRM University","ror":"https://ror.org/037skf023","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018","https://openalex.org/I4210131147"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Devi Priya Vimala Sudhakaran","raw_affiliation_strings":["VIT-AP Campus, Computer Science and Engineering, Amaravati, Andhra Pradesh, India"],"affiliations":[{"raw_affiliation_string":"VIT-AP Campus, Computer Science and Engineering, Amaravati, Andhra Pradesh, India","institution_ids":["https://openalex.org/I4210131147"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5073029791"],"corresponding_institution_ids":["https://openalex.org/I4210131147"],"apc_list":null,"apc_paid":null,"fwci":3.2474,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.9326781,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"67","issue":"10","first_page":"70","last_page":"80"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11800","display_name":"User Authentication and Security Systems","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/T11800","display_name":"User Authentication and Security Systems","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/T11241","display_name":"Advanced Malware Detection Techniques","score":0.9973999857902527,"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"}},{"id":"https://openalex.org/T11045","display_name":"Privacy, Security, and Data Protection","score":0.9945999979972839,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/captcha","display_name":"CAPTCHA","score":0.6925487518310547},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6796101331710815},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.45202186703681946}],"concepts":[{"id":"https://openalex.org/C163339463","wikidata":"https://www.wikidata.org/wiki/Q484598","display_name":"CAPTCHA","level":2,"score":0.6925487518310547},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6796101331710815},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.45202186703681946}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3660628","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3660628","pdf_url":null,"source":{"id":"https://openalex.org/S103482838","display_name":"Communications of the ACM","issn_l":"0001-0782","issn":["0001-0782","1557-7317"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications of the ACM","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W224053565","https://openalex.org/W1992957037","https://openalex.org/W2022710553","https://openalex.org/W2050629718","https://openalex.org/W2055827916","https://openalex.org/W2283942345","https://openalex.org/W2380581874","https://openalex.org/W2536916975","https://openalex.org/W2904317862","https://openalex.org/W2911378578","https://openalex.org/W2943341770","https://openalex.org/W2965727955","https://openalex.org/W2977423352","https://openalex.org/W2996848732","https://openalex.org/W3011656788","https://openalex.org/W3024765087","https://openalex.org/W3037257411","https://openalex.org/W3041769641","https://openalex.org/W3089833580","https://openalex.org/W3095025365","https://openalex.org/W3124132369","https://openalex.org/W3124654436","https://openalex.org/W3170412160","https://openalex.org/W3171223431","https://openalex.org/W3178612054","https://openalex.org/W3199842020","https://openalex.org/W3206957188","https://openalex.org/W4220836094","https://openalex.org/W4287757630","https://openalex.org/W4288057702","https://openalex.org/W4293763096","https://openalex.org/W4294811354","https://openalex.org/W4318559699","https://openalex.org/W4321605894"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W3134776999","https://openalex.org/W1975364925","https://openalex.org/W2064097623","https://openalex.org/W1966530388","https://openalex.org/W2566963304","https://openalex.org/W2028308373","https://openalex.org/W2111502540","https://openalex.org/W2770704788"],"abstract_inverted_index":{"To":[0],"counter":[1],"the":[2],"threat":[3],"of":[4],"AI-powered":[5],"bots,":[6],"captcha":[7,22],"systems":[8],"are":[9],"growing":[10],"increasingly":[11],"complex,":[12],"often":[13],"sacrificing":[14],"usability":[15],"and":[16],"accessibility.":[17],"Can":[18],"mCaptcha,":[19],"a":[20],"proof-of-work":[21],"system,":[23],"effectively":[24],"address":[25],"these":[26],"issues?":[27]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3}],"updated_date":"2025-12-27T23:08:20.325037","created_date":"2025-10-10T00:00:00"}
