{"id":"https://openalex.org/W2789330408","doi":"https://doi.org/10.3390/e20020104","title":"Patent Keyword Extraction Algorithm Based on Distributed Representation for Patent Classification","display_name":"Patent Keyword Extraction Algorithm Based on Distributed Representation for Patent Classification","publication_year":2018,"publication_date":"2018-02-02","ids":{"openalex":"https://openalex.org/W2789330408","doi":"https://doi.org/10.3390/e20020104","mag":"2789330408","pmid":"https://pubmed.ncbi.nlm.nih.gov/33265195"},"language":"en","primary_location":{"id":"doi:10.3390/e20020104","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e20020104","pdf_url":"https://www.mdpi.com/1099-4300/20/2/104/pdf?version=1517563102","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/20/2/104/pdf?version=1517563102","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035602823","display_name":"Jie Hu","orcid":"https://orcid.org/0000-0002-3893-1594"},"institutions":[{"id":"https://openalex.org/I155781252","display_name":"University of South Carolina","ror":"https://ror.org/02b6qw903","country_code":"US","type":"education","lineage":["https://openalex.org/I155781252"]},{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Jie Hu","raw_affiliation_strings":["Department of Computer Science and Engineering, University of South Carolina, Columbia, SC 29208, USA","Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","School of Mechanical Engineering, Guizhou University, Guiyang 550025, China"],"raw_orcid":"https://orcid.org/0000-0002-3893-1594","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of South Carolina, Columbia, SC 29208, USA","institution_ids":["https://openalex.org/I155781252"]},{"raw_affiliation_string":"Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]},{"raw_affiliation_string":"School of Mechanical Engineering, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100354322","display_name":"Shaobo Li","orcid":"https://orcid.org/0000-0003-4759-6000"},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shaobo Li","raw_affiliation_strings":["Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","School of Mechanical Engineering, Guizhou University, Guiyang 550025, China"],"raw_orcid":"https://orcid.org/0000-0003-4759-6000","affiliations":[{"raw_affiliation_string":"Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]},{"raw_affiliation_string":"School of Mechanical Engineering, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064482651","display_name":"Yong Yao","orcid":"https://orcid.org/0000-0003-0507-3711"},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Yao","raw_affiliation_strings":["School of Mechanical Engineering, Guizhou University, Guiyang 550025, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065197811","display_name":"Liya Yu","orcid":"https://orcid.org/0000-0002-5212-8546"},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liya Yu","raw_affiliation_strings":["School of Mechanical Engineering, Guizhou University, Guiyang 550025, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Mechanical Engineering, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041145341","display_name":"Guanci Yang","orcid":"https://orcid.org/0000-0001-8761-5195"},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guanci Yang","raw_affiliation_strings":["Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China"],"raw_orcid":"https://orcid.org/0000-0001-8761-5195","affiliations":[{"raw_affiliation_string":"Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060537711","display_name":"Jianjun Hu","orcid":"https://orcid.org/0000-0002-8725-6660"},"institutions":[{"id":"https://openalex.org/I155781252","display_name":"University of South Carolina","ror":"https://ror.org/02b6qw903","country_code":"US","type":"education","lineage":["https://openalex.org/I155781252"]},{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN","US"],"is_corresponding":true,"raw_author_name":"Jianjun Hu","raw_affiliation_strings":["Department of Computer Science and Engineering, University of South Carolina, Columbia, SC 29208, USA","Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","School of Mechanical Engineering, Guizhou University, Guiyang 550025, China"],"raw_orcid":"https://orcid.org/0000-0002-8725-6660","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University of South Carolina, Columbia, SC 29208, USA","institution_ids":["https://openalex.org/I155781252"]},{"raw_affiliation_string":"Key Laboratory of Advanced Manufacturing Technology of Ministry of Education, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]},{"raw_affiliation_string":"School of Mechanical Engineering, Guizhou University, Guiyang 550025, China","institution_ids":["https://openalex.org/I178232147"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5060537711","https://openalex.org/A5100354322"],"corresponding_institution_ids":["https://openalex.org/I155781252","https://openalex.org/I178232147"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":7.2653,"has_fulltext":true,"cited_by_count":99,"citation_normalized_percentile":{"value":0.97594817,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"20","issue":"2","first_page":"104","last_page":"104"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9998000264167786,"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":0.9998000264167786,"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/T11710","display_name":"Biomedical Text Mining and Ontologies","score":0.9455999732017517,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11550","display_name":"Text and Document Classification Technologies","score":0.9424999952316284,"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":0.837174654006958},{"id":"https://openalex.org/keywords/keyword-extraction","display_name":"Keyword extraction","score":0.8229297399520874},{"id":"https://openalex.org/keywords/tf\u2013idf","display_name":"tf\u2013idf","score":0.7797253131866455},{"id":"https://openalex.org/keywords/automatic-summarization","display_name":"Automatic summarization","score":0.7520473003387451},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5043572187423706},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.5025143623352051},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4828917980194092},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.4759518802165985},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4706917107105255},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4304215908050537},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.2526150047779083}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.837174654006958},{"id":"https://openalex.org/C2780288562","wikidata":"https://www.wikidata.org/wiki/Q25053353","display_name":"Keyword extraction","level":2,"score":0.8229297399520874},{"id":"https://openalex.org/C81758059","wikidata":"https://www.wikidata.org/wiki/Q796584","display_name":"tf\u2013idf","level":3,"score":0.7797253131866455},{"id":"https://openalex.org/C170858558","wikidata":"https://www.wikidata.org/wiki/Q1394144","display_name":"Automatic summarization","level":2,"score":0.7520473003387451},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5043572187423706},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.5025143623352051},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4828917980194092},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.4759518802165985},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4706917107105255},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4304215908050537},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.2526150047779083},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"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},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"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/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/e20020104","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e20020104","pdf_url":"https://www.mdpi.com/1099-4300/20/2/104/pdf?version=1517563102","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},{"id":"pmid:33265195","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33265195","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:scholarcommons.sc.edu:csce_facpub-1265","is_oa":true,"landing_page_url":"https://scholarcommons.sc.edu/csce_facpub/256","pdf_url":null,"source":{"id":"https://openalex.org/S4306401386","display_name":"Scholar Commons (University of South Carolina)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I155781252","host_organization_name":"University of South Carolina","host_organization_lineage":["https://openalex.org/I155781252"],"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":"Faculty Publications","raw_type":"text"},{"id":"pmh:oai:doaj.org/article:fb1ac6b5ff4e43c6abd916b00302fd47","is_oa":true,"landing_page_url":"https://doaj.org/article/fb1ac6b5ff4e43c6abd916b00302fd47","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 20, Iss 2, p 104 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/20/2/104/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/e20020104","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Entropy; Volume 20; Issue 2; Pages: 104","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7512597","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7512597","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Entropy (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/e20020104","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e20020104","pdf_url":"https://www.mdpi.com/1099-4300/20/2/104/pdf?version=1517563102","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1691214884","display_name":null,"funder_award_id":"R[2015]13, JZ[2014]2004 and LH[2016]7433","funder_id":"https://openalex.org/F4320322272","funder_display_name":"Guizhou Science and Technology Department"},{"id":"https://openalex.org/G2941082053","display_name":null,"funder_award_id":"51741101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G315033406","display_name":"\u653f\u5e9c\u516c\u5171\u5927\u6570\u636e\u8d44\u6e90\u5171\u4eab\u4e0e\u6cbb\u7406\u673a\u5236\u53ca\u5b9e\u8df5\u7814\u7a76","funder_award_id":"91746116","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3185390163","display_name":null,"funder_award_id":"[2015]4011","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3417974406","display_name":null,"funder_award_id":"[2015]02","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3477046769","display_name":null,"funder_award_id":"91746116 and 51741101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3720792636","display_name":null,"funder_award_id":"61640209","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3785240104","display_name":null,"funder_award_id":"JZ[2014]","funder_id":"https://openalex.org/F4320322272","funder_display_name":"Guizhou Science and Technology Department"},{"id":"https://openalex.org/G3804042748","display_name":null,"funder_award_id":"[2015]02","funder_id":"https://openalex.org/F4320322272","funder_display_name":"Guizhou Science and Technology Department"},{"id":"https://openalex.org/G499566249","display_name":null,"funder_award_id":"[2015]4011","funder_id":"https://openalex.org/F4320322272","funder_display_name":"Guizhou Science and Technology Department"},{"id":"https://openalex.org/G5370898339","display_name":null,"funder_award_id":"[2015]","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6393592701","display_name":null,"funder_award_id":"Talents[2015]4011","funder_id":"https://openalex.org/F4320322272","funder_display_name":"Guizhou Science and Technology Department"},{"id":"https://openalex.org/G687297005","display_name":null,"funder_award_id":"JZ[2014]2004","funder_id":"https://openalex.org/F4320322272","funder_display_name":"Guizhou Science and Technology Department"},{"id":"https://openalex.org/G8480954844","display_name":null,"funder_award_id":"51475097","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320309480","display_name":"Nvidia","ror":"https://ror.org/03jdj4y14"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322272","display_name":"Guizhou Science and Technology Department","ror":"https://ror.org/00kwnh405"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2789330408.pdf","grobid_xml":"https://content.openalex.org/works/W2789330408.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W855810398","https://openalex.org/W1525595230","https://openalex.org/W1531923142","https://openalex.org/W1571777863","https://openalex.org/W1965249747","https://openalex.org/W1981922192","https://openalex.org/W1982122985","https://openalex.org/W1993068194","https://openalex.org/W2040425686","https://openalex.org/W2060772621","https://openalex.org/W2062418945","https://openalex.org/W2071935604","https://openalex.org/W2073344365","https://openalex.org/W2073398847","https://openalex.org/W2077303393","https://openalex.org/W2079091674","https://openalex.org/W2082391141","https://openalex.org/W2083292802","https://openalex.org/W2102733276","https://openalex.org/W2103613244","https://openalex.org/W2122098402","https://openalex.org/W2126991420","https://openalex.org/W2128924046","https://openalex.org/W2133286915","https://openalex.org/W2141222516","https://openalex.org/W2153579005","https://openalex.org/W2250539671","https://openalex.org/W2288737075","https://openalex.org/W2295979112","https://openalex.org/W2317515691","https://openalex.org/W2418560495","https://openalex.org/W2507746043","https://openalex.org/W2520981676","https://openalex.org/W2539912234","https://openalex.org/W2588772706","https://openalex.org/W2591179595","https://openalex.org/W2950577311","https://openalex.org/W2998704965","https://openalex.org/W4285719527","https://openalex.org/W4301001724","https://openalex.org/W6645862190","https://openalex.org/W6680532216","https://openalex.org/W6680753128","https://openalex.org/W6764688901","https://openalex.org/W7015831105"],"related_works":["https://openalex.org/W1997256148","https://openalex.org/W2922500757","https://openalex.org/W2146769536","https://openalex.org/W3186733304","https://openalex.org/W2343335642","https://openalex.org/W2069275471","https://openalex.org/W2795900462","https://openalex.org/W2251767200","https://openalex.org/W2384924398","https://openalex.org/W3083038004"],"abstract_inverted_index":{"Many":[0],"text":[1,6,8,11],"mining":[2],"tasks":[3],"such":[4],"as":[5],"retrieval,":[7],"summarization,":[9],"and":[10,78,102,137,153],"comparisons":[12],"depend":[13],"on":[14,31,53,75,81],"the":[15,21,39,54,109],"extraction":[16,27,49,72],"of":[17,35,38,66,111],"representative":[18],"keywords":[19,92,173],"from":[20,119,174],"main":[22],"text.":[23,40],"Most":[24],"existing":[25],"keyword":[26,48,71],"algorithms":[28],"are":[29,88,93],"based":[30,52,74,80],"discrete":[32],"bag-of-words":[33],"type":[34],"word":[36],"representation":[37],"In":[41],"this":[42],"paper,":[43],"we":[44],"propose":[45],"a":[46,64,98,103,168],"patent":[47,59,105,114,175,178],"algorithm":[50,166],"(PKEA)":[51],"distributed":[55],"Skip-gram":[56],"model":[57],"for":[58,70,177],"classification.":[60,179],"We":[61,96,141],"also":[62],"develop":[63],"set":[65],"quantitative":[67],"performance":[68,110],"measures":[69],"evaluation":[73],"information":[76],"gain":[77],"cross-validation,":[79],"Support":[82],"Vector":[83],"Machine":[84],"(SVM)":[85],"classification,":[86],"which":[87],"valuable":[89],"when":[90],"human-annotated":[91],"not":[94],"available.":[95],"used":[97],"standard":[99],"benchmark":[100],"dataset":[101,106,115],"homemade":[104],"to":[107,125,171],"evaluate":[108],"PKEA.":[112],"Our":[113],"includes":[116],"2500":[117],"patents":[118],"five":[120],"distinct":[121],"technological":[122],"fields":[123],"related":[124],"autonomous":[126],"cars":[127],"(GPS":[128],"systems,":[129,131,134,136],"lidar":[130],"object":[132],"recognition":[133],"radar":[135],"vehicle":[138],"control":[139],"systems).":[140],"compared":[142],"our":[143,164],"method":[144],"with":[145],"Frequency,":[146],"Term":[147],"Frequency-Inverse":[148],"Document":[149],"Frequency":[150],"(TF-IDF),":[151],"TextRank":[152],"Rapid":[154],"Automatic":[155],"Keyword":[156],"Extraction":[157],"(RAKE).":[158],"The":[159],"experimental":[160],"results":[161],"show":[162],"that":[163],"proposed":[165],"provides":[167],"promising":[169],"way":[170],"extract":[172],"texts":[176]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":20},{"year":2021,"cited_by_count":19},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":4}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}