{"id":"https://openalex.org/W4403747725","doi":"https://doi.org/10.18653/v1/2025.acl-long.1168","title":"MEXMA: Token-level objectives improve sentence representations","display_name":"MEXMA: Token-level objectives improve sentence representations","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4403747725","doi":"https://doi.org/10.18653/v1/2025.acl-long.1168"},"language":"en","primary_location":{"id":"doi:10.18653/v1/2025.acl-long.1168","is_oa":true,"landing_page_url":"https://doi.org/10.18653/v1/2025.acl-long.1168","pdf_url":"https://aclanthology.org/2025.acl-long.1168.pdf","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 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://aclanthology.org/2025.acl-long.1168.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037739770","display_name":"Jo\u00e3o Maria Janeiro","orcid":"https://orcid.org/0009-0005-2092-7860"},"institutions":[{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]},{"id":"https://openalex.org/I4210150358","display_name":"Institut Syst\u00e8mes Intelligents et de Robotique","ror":"https://ror.org/05neq8668","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I154526488","https://openalex.org/I39804081","https://openalex.org/I4210150358","https://openalex.org/I4210159245"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Jo\u00e3o Maria Janeiro","raw_affiliation_strings":["ISIR - Institut des Syst\u00e8mes Intelligents et de Robotique (Sorbonne-Universit\u00e9, Boite courrier 173 4 Place JUSSIEU 75252 Paris cedex 05 - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISIR - Institut des Syst\u00e8mes Intelligents et de Robotique (Sorbonne-Universit\u00e9, Boite courrier 173 4 Place JUSSIEU 75252 Paris cedex 05 - France)","institution_ids":["https://openalex.org/I39804081","https://openalex.org/I4210150358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086752907","display_name":"Benjamin Piwowarski","orcid":"https://orcid.org/0000-0001-6792-3262"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Benjamin Piwowarski","raw_affiliation_strings":["MLIA - Machine Learning and Information Access (Tour 65-66 3\u00e8me \u00e9tage\r\n4, place Jussieu\r\n75005 Paris \u2013 France - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MLIA - Machine Learning and Information Access (Tour 65-66 3\u00e8me \u00e9tage\r\n4, place Jussieu\r\n75005 Paris \u2013 France - France)","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103252936","display_name":"Patrick Gallinari","orcid":"https://orcid.org/0000-0002-5679-0617"},"institutions":[{"id":"https://openalex.org/I4210161401","display_name":"Criteo (France)","ror":"https://ror.org/04vyg0r47","country_code":"FR","type":"company","lineage":["https://openalex.org/I4210161401"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Patrick Gallinari","raw_affiliation_strings":["Criteo AI Lab (Paris - France)","MLIA - Machine Learning and Information Access (Tour 65-66 3\u00e8me \u00e9tage\r\n4, place Jussieu\r\n75005 Paris \u2013 France - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Criteo AI Lab (Paris - France)","institution_ids":["https://openalex.org/I4210161401"]},{"raw_affiliation_string":"MLIA - Machine Learning and Information Access (Tour 65-66 3\u00e8me \u00e9tage\r\n4, place Jussieu\r\n75005 Paris \u2013 France - France)","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043289060","display_name":"Lo\u00efc Barrault","orcid":"https://orcid.org/0000-0002-0634-6147"},"institutions":[{"id":"https://openalex.org/I4210108471","display_name":"Le Mans Universit\u00e9","ror":"https://ror.org/01mtcc283","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210108471"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Loic Barrault","raw_affiliation_strings":["LIUM - Laboratoire d'Informatique de l'Universit\u00e9 du Mans (Avenue Laennec 72085 Le Mans cedex 9 - France)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"LIUM - Laboratoire d'Informatique de l'Universit\u00e9 du Mans (Avenue Laennec 72085 Le Mans cedex 9 - France)","institution_ids":["https://openalex.org/I4210108471"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.00075547,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"23960","last_page":"23995"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10181","display_name":"Natural Language Processing Techniques","score":0.9994999766349792,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9994999766349792,"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/T10028","display_name":"Topic Modeling","score":0.9987999796867371,"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/T13629","display_name":"Text Readability and Simplification","score":0.9919000267982483,"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/sentence","display_name":"Sentence","score":0.8914983868598938},{"id":"https://openalex.org/keywords/security-token","display_name":"Security token","score":0.8440873622894287},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8191337585449219},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6648546457290649},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.6640007495880127},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.6051146984100342},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5513590574264526},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3262496590614319}],"concepts":[{"id":"https://openalex.org/C2777530160","wikidata":"https://www.wikidata.org/wiki/Q41796","display_name":"Sentence","level":2,"score":0.8914983868598938},{"id":"https://openalex.org/C48145219","wikidata":"https://www.wikidata.org/wiki/Q1335365","display_name":"Security token","level":2,"score":0.8440873622894287},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8191337585449219},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6648546457290649},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.6640007495880127},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.6051146984100342},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5513590574264526},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3262496590614319},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.18653/v1/2025.acl-long.1168","is_oa":true,"landing_page_url":"https://doi.org/10.18653/v1/2025.acl-long.1168","pdf_url":"https://aclanthology.org/2025.acl-long.1168.pdf","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 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2409.12737","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2409.12737","pdf_url":"https://arxiv.org/pdf/2409.12737","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:HAL:hal-04788199v1","is_oa":false,"landing_page_url":"https://hal.sorbonne-universite.fr/hal-04788199","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"63rd Annual Meeting of the Association for Computational Linguistics, Jul 2025, Vienna, Austria","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:HAL:hal-05392137v1","is_oa":false,"landing_page_url":"https://hal.sorbonne-universite.fr/hal-05392137","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), Jul 2025, Vienna, France. pp.23960-23995, ⟨10.18653/v1/2025.acl-long.1168⟩","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"doi:10.18653/v1/2025.acl-long.1168","is_oa":true,"landing_page_url":"https://doi.org/10.18653/v1/2025.acl-long.1168","pdf_url":"https://aclanthology.org/2025.acl-long.1168.pdf","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 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.7200000286102295,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4403747725.pdf","grobid_xml":"https://content.openalex.org/works/W4403747725.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4388335561","https://openalex.org/W2970530566","https://openalex.org/W4288261899","https://openalex.org/W4307309205","https://openalex.org/W2967478618","https://openalex.org/W4385009901","https://openalex.org/W4385572700","https://openalex.org/W2997152889","https://openalex.org/W4285141722","https://openalex.org/W4387768015"],"abstract_inverted_index":{"Cross-lingual":[0],"sentence":[1,6,31,45,62,79,90,112],"encoders":[2,91],"(CLSE)":[3],"create":[4],"fixed-size":[5],"representations":[7],"with":[8,59],"aligned":[9],"translations.Current":[10],"pre-trained":[11,88],"CLSE":[12],"approaches":[13],"use":[14],"sentence-level":[15,41],"objectives":[16,75],"only.This":[17],"can":[18],"lead":[19],"to":[20,52],"loss":[21],"of":[22],"information,":[23],"especially":[24],"for":[25],"tokens,":[26,108],"which":[27],"then":[28],"degrades":[29],"the":[30,61,69,78,103,111],"representation.We":[32],"propose":[33],"MEXMA,":[34],"a":[35],"novel":[36],"approach":[37,85],"that":[38,72],"integrates":[39],"both":[40,60],"and":[42,64,109],"token-level":[43,74],"objectives.The":[44],"representation":[46,63,80,113],"in":[47,56,106],"one":[48],"language":[49],"is":[50,114],"used":[51],"predict":[53],"masked":[54],"tokens":[55,66],"another":[57],"language,":[58],"all":[65],"directly":[67],"updating":[68],"encoder.We":[70],"show":[71],"adding":[73],"greatly":[76],"improves":[77],"quality":[81],"across":[82],"several":[83,98],"tasks.Our":[84],"outperforms":[86],"current":[87],"cross-lingual":[89],"on":[92],"bitext":[93],"mining":[94],"as":[95,97],"well":[96],"downstream":[99],"tasks.We":[100],"also":[101],"analyse":[102],"information":[104],"encoded":[105],"our":[107],"how":[110],"built":[115],"from":[116],"them.":[117]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}