{"id":"https://openalex.org/W4416018020","doi":"https://doi.org/10.1145/3746252.3760888","title":"DP-COMET: A Differential Privacy Contextual Obfuscation MEchanism for Texts in Natural Language Processing","display_name":"DP-COMET: A Differential Privacy Contextual Obfuscation MEchanism for Texts in Natural Language Processing","publication_year":2025,"publication_date":"2025-11-08","ids":{"openalex":"https://openalex.org/W4416018020","doi":"https://doi.org/10.1145/3746252.3760888"},"language":"en","primary_location":{"id":"doi:10.1145/3746252.3760888","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3746252.3760888","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":"Proceedings of the 34th ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3746252.3760888","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5092160915","display_name":"Francesco Luigi De Faveri","orcid":"https://orcid.org/0009-0005-8968-9485"},"institutions":[{"id":"https://openalex.org/I138689650","display_name":"University of Padua","ror":"https://ror.org/00240q980","country_code":"IT","type":"education","lineage":["https://openalex.org/I138689650"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Francesco Luigi De Faveri","raw_affiliation_strings":["University of Padova, Padova, Italy"],"raw_orcid":"https://orcid.org/0009-0005-8968-9485","affiliations":[{"raw_affiliation_string":"University of Padova, Padova, Italy","institution_ids":["https://openalex.org/I138689650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079246354","display_name":"Guglielmo Faggioli","orcid":"https://orcid.org/0000-0002-5070-2049"},"institutions":[{"id":"https://openalex.org/I138689650","display_name":"University of Padua","ror":"https://ror.org/00240q980","country_code":"IT","type":"education","lineage":["https://openalex.org/I138689650"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Guglielmo Faggioli","raw_affiliation_strings":["University of Padova, Padova, Italy"],"raw_orcid":"https://orcid.org/0000-0002-5070-2049","affiliations":[{"raw_affiliation_string":"University of Padova, Padova, Italy","institution_ids":["https://openalex.org/I138689650"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069843101","display_name":"Nicola Ferro","orcid":"https://orcid.org/0000-0001-9219-6239"},"institutions":[{"id":"https://openalex.org/I138689650","display_name":"University of Padua","ror":"https://ror.org/00240q980","country_code":"IT","type":"education","lineage":["https://openalex.org/I138689650"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Nicola Ferro","raw_affiliation_strings":["University of Padova, Padova, Italy"],"raw_orcid":"https://orcid.org/0000-0001-9219-6239","affiliations":[{"raw_affiliation_string":"University of Padova, Padova, Italy","institution_ids":["https://openalex.org/I138689650"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I138689650"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4700","last_page":"4705"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.8079000115394592,"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"}},"topics":[{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.8079000115394592,"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/T10237","display_name":"Cryptography and Data Security","score":0.051500000059604645,"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/T11045","display_name":"Privacy, Security, and Data Protection","score":0.045099999755620956,"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/obfuscation","display_name":"Obfuscation","score":0.92330002784729},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6707000136375427},{"id":"https://openalex.org/keywords/mechanism","display_name":"Mechanism (biology)","score":0.5008000135421753},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4797999858856201},{"id":"https://openalex.org/keywords/differential-privacy","display_name":"Differential privacy","score":0.47929999232292175},{"id":"https://openalex.org/keywords/natural-language","display_name":"Natural language","score":0.4731999933719635},{"id":"https://openalex.org/keywords/phrase","display_name":"Phrase","score":0.42089998722076416}],"concepts":[{"id":"https://openalex.org/C40305131","wikidata":"https://www.wikidata.org/wiki/Q2616305","display_name":"Obfuscation","level":2,"score":0.92330002784729},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8361999988555908},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6707000136375427},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.5008000135421753},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.491100013256073},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4797999858856201},{"id":"https://openalex.org/C23130292","wikidata":"https://www.wikidata.org/wiki/Q5275358","display_name":"Differential privacy","level":2,"score":0.47929999232292175},{"id":"https://openalex.org/C195324797","wikidata":"https://www.wikidata.org/wiki/Q33742","display_name":"Natural language","level":2,"score":0.4731999933719635},{"id":"https://openalex.org/C2776224158","wikidata":"https://www.wikidata.org/wiki/Q187931","display_name":"Phrase","level":2,"score":0.42089998722076416},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.38999998569488525},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.3824000060558319},{"id":"https://openalex.org/C99221444","wikidata":"https://www.wikidata.org/wiki/Q1532069","display_name":"Private information retrieval","level":2,"score":0.37049999833106995},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.34940001368522644},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3447999954223633},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.3127000033855438},{"id":"https://openalex.org/C2779439875","wikidata":"https://www.wikidata.org/wiki/Q1078276","display_name":"Natural language understanding","level":3,"score":0.29750001430511475},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.2858000099658966},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.2517000138759613},{"id":"https://openalex.org/C2776608160","wikidata":"https://www.wikidata.org/wiki/Q4785462","display_name":"Natural (archaeology)","level":2,"score":0.25110000371932983}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3746252.3760888","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3746252.3760888","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":"Proceedings of the 34th ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},{"id":"pmh:oai:www.research.unipd.it:11577/3569178","is_oa":false,"landing_page_url":"https://hdl.handle.net/11577/3569178","pdf_url":null,"source":{"id":"https://openalex.org/S4306402547","display_name":"Padua Research Archive (University of Padova)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I138689650","host_organization_name":"University of Padua","host_organization_lineage":["https://openalex.org/I138689650"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"doi:10.1145/3746252.3760888","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3746252.3760888","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":"Proceedings of the 34th ACM International Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1658920975","https://openalex.org/W1873763122","https://openalex.org/W1994865005","https://openalex.org/W2250539671","https://openalex.org/W2963341956","https://openalex.org/W2963999993","https://openalex.org/W2970641574","https://openalex.org/W2998378988","https://openalex.org/W3099692016","https://openalex.org/W3154670582","https://openalex.org/W3157988161","https://openalex.org/W4205974944","https://openalex.org/W4241781926","https://openalex.org/W4281262808","https://openalex.org/W4389520055","https://openalex.org/W4392179854","https://openalex.org/W4392964692","https://openalex.org/W4396987256","https://openalex.org/W4400341205","https://openalex.org/W4402670118","https://openalex.org/W4403582638","https://openalex.org/W4409167176","https://openalex.org/W4412376907","https://openalex.org/W6947874165"],"related_works":[],"abstract_inverted_index":{"Protecting":[0],"sensitive":[1],"information":[2],"within":[3,80],"textual":[4],"data":[5,14],"strongly":[6],"depends":[7],"on":[8,23,95,103],"the":[9,13,33,39,72,77,81,96,141,145,151],"context":[10,40,60,79],"in":[11,41],"which":[12,42],"is":[15,46],"presented.":[16],"However,":[17],"current":[18],"privacy-preserving":[19],"obfuscation":[20,54,121],"mechanisms":[21,132],"based":[22],"epsilon-Differential":[24],"Privacy":[25],"(DP)":[26],"produce":[27],"an":[28,52,84],"obfuscated":[29,85,136],"private":[30,64],"text,":[31,82],"changing":[32],"original":[34,73],"phrase":[35],"term-by-term":[36,131],"without":[37],"considering":[38],"such":[43],"a":[44,58,69],"term":[45],"placed.":[47],"This":[48],"paper":[49],"introduces":[50],"DP-COMET,":[51,148],"epsilon-DP":[53],"mechanism":[55,67,122],"that":[56,75,119],"evaluates":[57],"text's":[59],"before":[61],"producing":[62,83],"its":[63],"version.":[65],"The":[66],"defines":[68],"representation":[70,92],"of":[71,147],"text":[74],"considers":[76],"entire":[78],"version":[86],"after":[87],"adding":[88],"noise":[89],"to":[90,129,140],"this":[91],"and":[93,109,115],"depending":[94],"privacy":[97],"parameter":[98],"epsilon.":[99],"We":[100],"test":[101],"DP-COMET":[102],"different":[104],"Natural":[105],"Language":[106],"Processing":[107],"(NLP)":[108],"Information":[110],"Retrieval":[111],"(IR)":[112],"downstream":[113],"tasks,":[114],"our":[116,120],"findings":[117],"show":[118],"not":[123],"only":[124],"achieves":[125],"comparable":[126],"performance":[127],"results":[128],"traditional":[130],"but":[133],"also":[134],"produces":[135],"texts":[137],"less":[138],"similar":[139],"originals.":[142],"To":[143],"promote":[144],"reproducibility":[146],"we":[149],"make":[150],"code":[152],"publicly":[153],"available":[154],"at":[155],"https://github.com/Kekkodf/DP-COMET.":[156]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-11-08T00:00:00"}
