{"id":"https://openalex.org/W4416549473","doi":"https://doi.org/10.1145/3719027.3765025","title":"Lodia: Towards Optimal Sparse Matrix-Vector Multiplication for Batched Fully Homomorphic Encryption","display_name":"Lodia: Towards Optimal Sparse Matrix-Vector Multiplication for Batched Fully Homomorphic Encryption","publication_year":2025,"publication_date":"2025-11-19","ids":{"openalex":"https://openalex.org/W4416549473","doi":"https://doi.org/10.1145/3719027.3765025"},"language":null,"primary_location":{"id":"doi:10.1145/3719027.3765025","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3719027.3765025","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 2025 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1145/3719027.3765025","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055665761","display_name":"Jiping Yu","orcid":"https://orcid.org/0000-0002-6643-4405"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jiping Yu","raw_affiliation_strings":["Tsinghua University, Beijing, China and Ant Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China and Ant Group, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100444482","display_name":"Kun Chen","orcid":"https://orcid.org/0000-0003-2370-5372"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kun Chen","raw_affiliation_strings":["Ant Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Ant Group, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090111312","display_name":"Xiaoyu Fan","orcid":"https://orcid.org/0000-0001-6962-643X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyu Fan","raw_affiliation_strings":["Tsinghua University, Beijing, China and Ant Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China and Ant Group, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023612588","display_name":"Yunyi Chen","orcid":"https://orcid.org/0009-0002-0279-0539"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunyi Chen","raw_affiliation_strings":["Tsinghua University, Beijing, China and Ant Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China and Ant Group, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101574083","display_name":"Xiaowei Zhu","orcid":"https://orcid.org/0000-0003-3880-308X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiaowei Zhu","raw_affiliation_strings":["Ant Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Ant Group, Beijing, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103141832","display_name":"Wenguang Chen","orcid":"https://orcid.org/0000-0002-4281-1018"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenguang Chen","raw_affiliation_strings":["Department of Computer Science and SIGS, Tsinghua University, Beijing, China and Ant Group, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and SIGS, Tsinghua University, Beijing, China and Ant Group, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5055665761"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.19289467,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"3649","last_page":"3663"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.7063000202178955,"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/T10237","display_name":"Cryptography and Data Security","score":0.7063000202178955,"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/T11612","display_name":"Stochastic Gradient Optimization Techniques","score":0.15219999849796295,"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":0.06279999762773514,"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/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.8604000210762024},{"id":"https://openalex.org/keywords/plaintext","display_name":"Plaintext","score":0.7178999781608582},{"id":"https://openalex.org/keywords/multiplication","display_name":"Multiplication (music)","score":0.7014999985694885},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.6733999848365784},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.5669999718666077},{"id":"https://openalex.org/keywords/porting","display_name":"Porting","score":0.5444999933242798},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.43560001254081726}],"concepts":[{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.8604000210762024},{"id":"https://openalex.org/C92717368","wikidata":"https://www.wikidata.org/wiki/Q1162538","display_name":"Plaintext","level":3,"score":0.7178999781608582},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7117000222206116},{"id":"https://openalex.org/C2780595030","wikidata":"https://www.wikidata.org/wiki/Q3860309","display_name":"Multiplication (music)","level":2,"score":0.7014999985694885},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.6733999848365784},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.5669999718666077},{"id":"https://openalex.org/C106251023","wikidata":"https://www.wikidata.org/wiki/Q851989","display_name":"Porting","level":3,"score":0.5444999933242798},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5291000008583069},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.43560001254081726},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38999998569488525},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.33399999141693115},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.321399986743927},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.30000001192092896},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.2922999858856201},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.27959999442100525},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2766000032424927},{"id":"https://openalex.org/C134765980","wikidata":"https://www.wikidata.org/wiki/Q879126","display_name":"Bitwise operation","level":2,"score":0.2700999975204468},{"id":"https://openalex.org/C3018263672","wikidata":"https://www.wikidata.org/wiki/Q1296251","display_name":"Efficient algorithm","level":2,"score":0.2639999985694885}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3719027.3765025","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3719027.3765025","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 2025 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3719027.3765025","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3719027.3765025","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 2025 ACM SIGSAC Conference on Computer and Communications Security","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W587716324","https://openalex.org/W913176383","https://openalex.org/W1884140786","https://openalex.org/W1990832096","https://openalex.org/W2035080386","https://openalex.org/W2063893899","https://openalex.org/W2126004407","https://openalex.org/W2128853364","https://openalex.org/W2165612380","https://openalex.org/W2177209050","https://openalex.org/W2768174108","https://openalex.org/W2794927157","https://openalex.org/W2942255051","https://openalex.org/W3095317724","https://openalex.org/W4200166822","https://openalex.org/W4250570954","https://openalex.org/W4308219658","https://openalex.org/W4389778368","https://openalex.org/W4409048484"],"related_works":[],"abstract_inverted_index":{"Encrypted":[0],"matrix-vector":[1],"multiplication":[2],"is":[3],"a":[4,8,38],"fundamental":[5],"component":[6],"of":[7,10,35],"variety":[9],"applications":[11],"that":[12,40,51],"involve":[13],"data":[14],"privacy":[15,66],"concerns.":[16,67],"Current":[17],"algorithms":[18,50],"utilizing":[19],"fully":[20],"homomorphic":[21],"encryption":[22],"(FHE)":[23],"generally":[24],"use":[25],"batching":[26,62],"to":[27,55,60],"enhance":[28],"computational":[29],"efficiency":[30],"while":[31],"neglecting":[32],"the":[33,36],"sparsity":[34,57],"matrices,":[37],"characteristic":[39],"exists":[41],"naturally":[42],"in":[43],"many":[44],"practical":[45],"situations.":[46],"Alternatively,":[47],"porting":[48],"plaintext":[49],"skip":[52],"zero":[53],"elements":[54],"address":[56],"may":[58],"fail":[59],"utilize":[61],"and":[63],"introduce":[64],"additional":[65]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-11-23T00:00:00"}