{"id":"https://openalex.org/W4294658792","doi":"https://doi.org/10.18293/seke2022-131","title":"Enhancing Pre-Trained Language Representations Based on Contrastive Learning for Unsupervised Keyphrase Extraction","display_name":"Enhancing Pre-Trained Language Representations Based on Contrastive Learning for Unsupervised Keyphrase Extraction","publication_year":2022,"publication_date":"2022-07-01","ids":{"openalex":"https://openalex.org/W4294658792","doi":"https://doi.org/10.18293/seke2022-131"},"language":"en","primary_location":{"id":"doi:10.18293/seke2022-131","is_oa":true,"landing_page_url":"http://doi.org/10.18293/seke2022-131","pdf_url":"https://doi.org/10.18293/seke2022-131","source":{"id":"https://openalex.org/S4220650826","display_name":"Proceedings/Proceedings of the ... International Conference on Software Engineering and Knowledge Engineering","issn_l":"2325-9000","issn":["2325-9000","2325-9086"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Conferences on Software Engineering and Knowledge Engineering","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.18293/seke2022-131","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100358064","display_name":"Zhaohui Wang","orcid":"https://orcid.org/0009-0002-7793-0292"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]},{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhaohui Wang","raw_affiliation_strings":["School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,"],"affiliations":[{"raw_affiliation_string":"School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","institution_ids":["https://openalex.org/I4210156404"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100730856","display_name":"Xinghua Zhang","orcid":"https://orcid.org/0000-0001-6954-5605"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinghua Zhang","raw_affiliation_strings":["School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,"],"affiliations":[{"raw_affiliation_string":"School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","institution_ids":["https://openalex.org/I4210156404"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101424236","display_name":"Yanzeng Li","orcid":"https://orcid.org/0000-0003-4880-5804"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanzeng Li","raw_affiliation_strings":["Wangxuan Institute of Computer Technology, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Wangxuan Institute of Computer Technology, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100757319","display_name":"Yubin Wang","orcid":"https://orcid.org/0000-0003-1640-4504"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]},{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yubin Wang","raw_affiliation_strings":["Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","institution_ids":["https://openalex.org/I4210156404"]},{"raw_affiliation_string":"School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011022104","display_name":"Jiawei Sheng","orcid":"https://orcid.org/0000-0001-9076-7835"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiawei Sheng","raw_affiliation_strings":["School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,"],"affiliations":[{"raw_affiliation_string":"School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","institution_ids":["https://openalex.org/I4210156404"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080686378","display_name":"Tingwen Liu","orcid":"https://orcid.org/0000-0002-0750-6923"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tingwen Liu","raw_affiliation_strings":["School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,"],"affiliations":[{"raw_affiliation_string":"School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","institution_ids":["https://openalex.org/I4210156404"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101752081","display_name":"Hongbo Xu","orcid":"https://orcid.org/0000-0002-0258-7840"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongbo Xu","raw_affiliation_strings":["Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Institute of Information Engineering, Chinese Academy of Sciences, Beijing, China,","institution_ids":["https://openalex.org/I4210156404"]},{"raw_affiliation_string":"School of Cyber Security, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100358064"],"corresponding_institution_ids":["https://openalex.org/I4210156404","https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0969657,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2022","issue":null,"first_page":"317","last_page":"322"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":1.0,"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/T13083","display_name":"Advanced Text Analysis Techniques","score":1.0,"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/computer-science","display_name":"Computer science","score":0.8597403764724731},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.710830807685852},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6755945086479187},{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.6409688591957092},{"id":"https://openalex.org/keywords/phrase","display_name":"Phrase","score":0.6165285110473633},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5685863494873047},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5423156023025513},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5338211059570312},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5284680724143982},{"id":"https://openalex.org/keywords/language-model","display_name":"Language model","score":0.41007184982299805}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8597403764724731},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.710830807685852},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6755945086479187},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.6409688591957092},{"id":"https://openalex.org/C2776224158","wikidata":"https://www.wikidata.org/wiki/Q187931","display_name":"Phrase","level":2,"score":0.6165285110473633},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5685863494873047},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5423156023025513},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5338211059570312},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5284680724143982},{"id":"https://openalex.org/C137293760","wikidata":"https://www.wikidata.org/wiki/Q3621696","display_name":"Language model","level":2,"score":0.41007184982299805},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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":1,"locations":[{"id":"doi:10.18293/seke2022-131","is_oa":true,"landing_page_url":"http://doi.org/10.18293/seke2022-131","pdf_url":"https://doi.org/10.18293/seke2022-131","source":{"id":"https://openalex.org/S4220650826","display_name":"Proceedings/Proceedings of the ... International Conference on Software Engineering and Knowledge Engineering","issn_l":"2325-9000","issn":["2325-9000","2325-9086"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Conferences on Software Engineering and Knowledge Engineering","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.18293/seke2022-131","is_oa":true,"landing_page_url":"http://doi.org/10.18293/seke2022-131","pdf_url":"https://doi.org/10.18293/seke2022-131","source":{"id":"https://openalex.org/S4220650826","display_name":"Proceedings/Proceedings of the ... International Conference on Software Engineering and Knowledge Engineering","issn_l":"2325-9000","issn":["2325-9000","2325-9086"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Conferences on Software Engineering and Knowledge Engineering","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4","score":0.7099999785423279}],"awards":[{"id":"https://openalex.org/G4257157713","display_name":null,"funder_award_id":"No.2021YFB3100600","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G4302849700","display_name":null,"funder_award_id":"2021YFB","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G8151936980","display_name":null,"funder_award_id":"2021YFB3100600","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G8817924637","display_name":null,"funder_award_id":"XDC02040400","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"}],"funders":[{"id":"https://openalex.org/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335892","display_name":"Youth Innovation Promotion Association","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4294658792.pdf","grobid_xml":"https://content.openalex.org/works/W4294658792.grobid-xml"},"referenced_works_count":39,"referenced_works":["https://openalex.org/W32253530","https://openalex.org/W1525595230","https://openalex.org/W2064418625","https://openalex.org/W2066636486","https://openalex.org/W2102733276","https://openalex.org/W2167329753","https://openalex.org/W2251295945","https://openalex.org/W2304113845","https://openalex.org/W2613111960","https://openalex.org/W2740811004","https://openalex.org/W2752172973","https://openalex.org/W2790109590","https://openalex.org/W2890179025","https://openalex.org/W2896457183","https://openalex.org/W2914076857","https://openalex.org/W2962739339","https://openalex.org/W2962903510","https://openalex.org/W2963265326","https://openalex.org/W2964165364","https://openalex.org/W2972324944","https://openalex.org/W2980598790","https://openalex.org/W3000623537","https://openalex.org/W3024994608","https://openalex.org/W3026732421","https://openalex.org/W3033406728","https://openalex.org/W3035419191","https://openalex.org/W3096565276","https://openalex.org/W3099206234","https://openalex.org/W3114632476","https://openalex.org/W3156636935","https://openalex.org/W3173783447","https://openalex.org/W3199387127","https://openalex.org/W3208384853","https://openalex.org/W3213754079","https://openalex.org/W4249573750","https://openalex.org/W4287614078","https://openalex.org/W6736510045","https://openalex.org/W6748634344","https://openalex.org/W6785511501"],"related_works":["https://openalex.org/W2039546652","https://openalex.org/W2081900870","https://openalex.org/W2012262991","https://openalex.org/W2373794620","https://openalex.org/W2060629350","https://openalex.org/W2357294589","https://openalex.org/W2386861027","https://openalex.org/W2349302580","https://openalex.org/W2037549926","https://openalex.org/W2390154576"],"abstract_inverted_index":{"Keyphrase":[0],"extraction":[1],"(KPE)":[2],"aims":[3],"to":[4,52,71,74,98,112,146],"obtain":[5],"a":[6,11,54,92,108,122],"set":[7,68,120],"of":[8,19,65,76,84,117,151],"phrases":[9],"from":[10,82],"document":[12],"that":[13,75,172],"can":[14],"summarize":[15],"the":[16,20,58,62,66,77,118,136,148],"main":[17],"content":[18],"document.":[21],"Recently,":[22],"pre-trained":[23,44],"language":[24,49],"models":[25],"(LMs),":[26],"especially":[27],"BERT":[28,101],"and":[29,80,125,160,177,182],"ELMo,":[30],"have":[31],"achieved":[32],"remarkable":[33],"success,":[34],"presenting":[35],"new":[36],"state-of-the-art":[37],"results":[38,170],"in":[39],"unsupervised":[40,103],"KPE.":[41,104],"However,":[42],"current":[43],"LMs":[45],"focus":[46],"on":[47,164,179],"building":[48],"modeling":[50],"objectives":[51],"learn":[53],"general":[55],"representation,":[56],"ignoring":[57],"keyphrase-related":[59],"knowledge.":[60],"Intuitively,":[61],"joint":[63,114],"embedding":[64,116],"keyphrase":[67,119],"should":[69],"tend":[70],"be":[72],"close":[73],"extracted":[78],"document,":[79],"far":[81],"those":[83],"other":[85,127],"documents.":[86,184],"In":[87,135],"this":[88],"work,":[89],"we":[90,106,139],"propose":[91],"contrastive":[93],"learning-based":[94],"semantic":[95,115],"representation":[96],"task":[97],"further":[99,140],"improve":[100],"for":[102],"Particularly,":[105],"design":[107],"doc-phrase":[109],"attention":[110],"module":[111,145],"generate":[113],"as":[121,131],"positive":[123],"sample":[124],"select":[126],"semantically":[128],"similar":[129],"documents":[130],"hard":[132],"negative":[133],"samples.":[134],"prediction":[137],"layer,":[138],"add":[141],"an":[142],"accumulated":[143],"self-attention":[144],"calculate":[147],"final":[149],"scores":[150],"candidate":[152],"phrases.":[153],"We":[154],"compare":[155],"with":[156],"eight":[157],"strong":[158],"baselines,":[159],"evaluate":[161],"our":[162,173],"model":[163,174],"three":[165],"publicly":[166],"available":[167],"datasets.":[168],"Experimental":[169],"show":[171],"is":[175],"effective":[176],"robust":[178],"both":[180],"long":[181],"short":[183]},"counts_by_year":[],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}