{"id":"https://openalex.org/W7224678975","doi":"https://doi.org/10.18653/2026.nllp-1.35","title":"Deka Retrieval: Component-Level Criteria for Mining Legal Case Pairs in Thai Supreme Court Decisions","display_name":"Deka Retrieval: Component-Level Criteria for Mining Legal Case Pairs in Thai Supreme Court Decisions","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7224678975","doi":"https://doi.org/10.18653/2026.nllp-1.35"},"language":"en","primary_location":{"id":"doi:10.18653/2026.nllp-1.35","doi":"https://doi.org/10.18653/2026.nllp-1.35","is_oa":true,"landing_page_url":"https://doi.org/10.18653/2026.nllp-1.35","pdf_url":"https://aclanthology.org/2026.nllp-1.35.pdf","source":{"id":"https://openalex.org/S7407087203","display_name":"Natural Legal Language Processing Workshop (NLLP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Natural Legal Language Processing Workshop 2026","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://aclanthology.org/2026.nllp-1.35.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5118955003","display_name":"Pasin Buakhaw","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I158708052","display_name":"Chulalongkorn University","ror":"https://ror.org/028wp3y58","country_code":"TH","type":"education","lineage":["https://openalex.org/I158708052"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Pasin Buakhaw","raw_affiliation_strings":["Computer Engineering and Digital Technology , Chulalongkorn University , Bangkok , Thailand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer Engineering and Digital Technology , Chulalongkorn University , Bangkok , Thailand","institution_ids":["https://openalex.org/I158708052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5116307693","display_name":"Pawitsapak Akarajaradwong","orcid":"https://orcid.org/0009-0008-4982-6379","observed_orcids":["https://orcid.org/0009-0008-4982-6379"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pawitsapak Akarajaradwong","raw_affiliation_strings":["VISAI AI , Bangkok , Thailand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VISAI AI , Bangkok , Thailand","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026314278","display_name":"Chompakorn Chaksangchaichot","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chompakorn Chaksangchaichot","raw_affiliation_strings":["VISAI AI , Bangkok , Thailand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VISAI AI , Bangkok , Thailand","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.98068157,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"399","last_page":"419"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13643","display_name":"Artificial Intelligence in Law","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/3320","display_name":"Political Science and International Relations"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T13643","display_name":"Artificial Intelligence in Law","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/3320","display_name":"Political Science and International Relations"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.0015999999595806003,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.0003000000142492354,"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/case-law-searching","display_name":"case law searching","score":0.6970000267028809},{"id":"https://openalex.org/keywords/legal-text-mining","display_name":"legal text mining","score":0.49300000071525574}],"concepts":[{"id":"https://openalex.org/C2778272461","wikidata":"https://www.wikidata.org/wiki/Q190752","display_name":"Supreme court","level":2,"score":0.5203999876976013},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.48240000009536743},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.4246000051498413},{"id":"https://openalex.org/C2908542518","wikidata":"https://www.wikidata.org/wiki/Q6646863","display_name":"Supreme Court Decisions","level":3,"score":0.3231000006198883},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.3019999861717224},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2847000062465668},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.27079999446868896},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.2685999870300293},{"id":"https://openalex.org/C2777351106","wikidata":"https://www.wikidata.org/wiki/Q49371","display_name":"Legislation","level":2,"score":0.2635999917984009},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2590999901294708}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.18653/2026.nllp-1.35","doi":"https://doi.org/10.18653/2026.nllp-1.35","is_oa":true,"landing_page_url":"https://doi.org/10.18653/2026.nllp-1.35","pdf_url":"https://aclanthology.org/2026.nllp-1.35.pdf","source":{"id":"https://openalex.org/S7407087203","display_name":"Natural Legal Language Processing Workshop (NLLP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Natural Legal Language Processing Workshop 2026","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.18653/2026.nllp-1.35","doi":"https://doi.org/10.18653/2026.nllp-1.35","is_oa":true,"landing_page_url":"https://doi.org/10.18653/2026.nllp-1.35","pdf_url":"https://aclanthology.org/2026.nllp-1.35.pdf","source":{"id":"https://openalex.org/S7407087203","display_name":"Natural Legal Language Processing Workshop (NLLP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Natural Legal Language Processing Workshop 2026","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Peace, justice, and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5473999977111816}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320313904","display_name":"Vidyasirimedhi Institute of Science and Technology","ror":"https://ror.org/053jehz60"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7224678975.pdf","grobid_xml":"https://content.openalex.org/works/W7224678975.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7104398352","https://openalex.org/W4416035213","https://openalex.org/W7224410964","https://openalex.org/W7224347064","https://openalex.org/W7163317836","https://openalex.org/W7224492150","https://openalex.org/W4404780935","https://openalex.org/W6885163589","https://openalex.org/W7224418554","https://openalex.org/W2491435387"],"abstract_inverted_index":{"Legal":[0],"case":[1,70],"retrieval":[2],"(LCR)":[3],"defines":[4],"relevance":[5,58],"beyond":[6],"text":[7,26],"similarity,":[8],"judgments":[9],"may":[10],"describe":[11],"near-identical":[12],"events":[13],"yet":[14],"be":[15],"decided":[16],"under":[17],"different":[18,102],"charges.Existing":[19],"synthesis":[20],"pipelines":[21],"mine":[22],"training":[23,160],"pairs":[24],"from":[25,34],"similarity":[27],"and":[28,76,84,97,104,110,139,172],"shared":[29],"charges,":[30],"which":[31],"separates":[32],"positives":[33],"negatives":[35],"but":[36,99,153],"leaves":[37],"the":[38,94,123,144,150,155,164],"difficulty":[39],"of":[40],"each":[41,67],"pair":[42],"implicit.We":[43],"present":[44],"Deka":[45],"Retrieval,":[46],"an":[47,56,86],"LCR":[48],"benchmark":[49],"on":[50,80,122,137,141,143],"Thai":[51],"Supreme":[52],"Court":[53],"decisions":[54],"with":[55,168],"LLM":[57],"cases":[59,158],"mining":[60],"pipeline":[61],"for":[62],"a":[63,89,101],"civil-law":[64],"jurisdiction.We":[65],"decompose":[66],"judgment":[68,91],"into":[69],"components":[71],"(Charge,":[72],"Fact,":[73],"Reasoning,":[74],"Decision)":[75],"split":[77],"easy/hard":[78],"level":[79],"exist":[81],"binary":[82],"signals":[83],"introduce":[85],"anomaly":[87,157],"variant":[88],"conflict":[90],"that":[92],"shares":[93],"anchor's":[95],"charge":[96],"facts":[98],"reaching":[100],"reasoning":[103],"decision.Retriever":[105],"performance":[106],"follows":[107],"query":[108,146],"length":[109],"legal":[111],"terminology:":[112],"Fact":[113],">":[114,117],"Lawyer":[115,138],"expert":[116],"Lay":[118,127],"people.Fine-tuning":[119],"gains":[120],"most":[121],"weakest":[124],"type,":[125],"lifting":[126],"R@10":[128],"by":[129],"2.6":[130],"\u00d7":[131],"(7.6":[132],"\u2192":[133],"19.5)":[134],"versus":[135],"1.5\u00d7":[136],"1.3\u00d7":[140],"Fact.Training":[142],"shortest":[145],"also":[147],"transfers":[148],"to":[149],"longer":[151],"ones,":[152],"not":[154],"reverse.Adding":[156],"in":[159],"as":[161],"positive":[162],"degrades":[163],"overall":[165],"performance,":[166],"compare":[167],"without":[169],"it.Our":[170],"dataset":[171],"models":[173],"are":[174],"available":[175],"at":[176],"https://huggingface.co/collections/":[177],"VISAI-AI/deka-retrieval":[178]},"counts_by_year":[],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2026-10-30T00:00:00"}
