{"id":"https://openalex.org/W2171658683","doi":"https://doi.org/10.1109/fuzzy.2009.5277332","title":"Extraction of important keywords in free text of questionnaire data and visualization of relationship among sentences","display_name":"Extraction of important keywords in free text of questionnaire data and visualization of relationship among sentences","publication_year":2009,"publication_date":"2009-08-01","ids":{"openalex":"https://openalex.org/W2171658683","doi":"https://doi.org/10.1109/fuzzy.2009.5277332","mag":"2171658683"},"language":"en","primary_location":{"id":"doi:10.1109/fuzzy.2009.5277332","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fuzzy.2009.5277332","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Fuzzy Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://nagoya.repo.nii.ac.jp/records/12021","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100901412","display_name":"Yuki Uchida","orcid":null},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuki Uchida","raw_affiliation_strings":["University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"University of Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105919015","display_name":"Tomohiro Yoshikawa","orcid":null},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomohiro Yoshikawa","raw_affiliation_strings":["University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"University of Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101660124","display_name":"Takeshi Furuhashi","orcid":"https://orcid.org/0000-0001-7935-5434"},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi Furuhashi","raw_affiliation_strings":["University of Nagoya, Japan"],"affiliations":[{"raw_affiliation_string":"University of Nagoya, Japan","institution_ids":["https://openalex.org/I60134161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045391823","display_name":"Eiji Hirao","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eiji Hirao","raw_affiliation_strings":["NEC Corporation Limited, Japan"],"affiliations":[{"raw_affiliation_string":"NEC Corporation Limited, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113039409","display_name":"Hiroto Iguchi","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroto Iguchi","raw_affiliation_strings":["NEC Corporation Limited, Japan"],"affiliations":[{"raw_affiliation_string":"NEC Corporation Limited, Japan","institution_ids":["https://openalex.org/I118347220"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100901412"],"corresponding_institution_ids":["https://openalex.org/I60134161"],"apc_list":null,"apc_paid":null,"fwci":1.3549,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.85998927,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"1604","last_page":"1608"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","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"}},"topics":[{"id":"https://openalex.org/T13083","display_name":"Advanced Text Analysis Techniques","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/T10064","display_name":"Complex Network Analysis Techniques","score":0.9218000173568726,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10538","display_name":"Data Mining Algorithms and Applications","score":0.9157999753952026,"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/computer-science","display_name":"Computer science","score":0.7778184413909912},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.6337465643882751},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.6155131459236145},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6054295897483826},{"id":"https://openalex.org/keywords/keyword-extraction","display_name":"Keyword extraction","score":0.4964969754219055},{"id":"https://openalex.org/keywords/information-extraction","display_name":"Information extraction","score":0.4379664659500122},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.35700690746307373},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.27271950244903564},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.17102524638175964}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7778184413909912},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.6337465643882751},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.6155131459236145},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6054295897483826},{"id":"https://openalex.org/C2780288562","wikidata":"https://www.wikidata.org/wiki/Q25053353","display_name":"Keyword extraction","level":2,"score":0.4964969754219055},{"id":"https://openalex.org/C195807954","wikidata":"https://www.wikidata.org/wiki/Q1662562","display_name":"Information extraction","level":2,"score":0.4379664659500122},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.35700690746307373},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.27271950244903564},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.17102524638175964}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/fuzzy.2009.5277332","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fuzzy.2009.5277332","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Fuzzy Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:irdb.nii.ac.jp:01152:0001455167","is_oa":true,"landing_page_url":"https://nagoya.repo.nii.ac.jp/records/12021","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2009)","raw_type":"journal article"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:01152:0001455167","is_oa":true,"landing_page_url":"https://nagoya.repo.nii.ac.jp/records/12021","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2009)","raw_type":"journal article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2010835028","https://openalex.org/W2114395490","https://openalex.org/W2173839937","https://openalex.org/W6685282243"],"related_works":["https://openalex.org/W2068608913","https://openalex.org/W3124914020","https://openalex.org/W2141033859","https://openalex.org/W2077542787","https://openalex.org/W2071701083","https://openalex.org/W2054026175","https://openalex.org/W2368651715","https://openalex.org/W2182191857","https://openalex.org/W4283768689","https://openalex.org/W2066380224"],"abstract_inverted_index":{"Recently,":[0],"companies":[1],"often":[2],"carry":[3],"out":[4],"questionnaire(s)":[5],"and":[6,31,72,101],"develop":[7,85],"marketing":[8],"strategies.":[9],"There":[10],"are":[11],"usually":[12,70],"two":[13],"types":[14],"of":[15,20,55,63,108,117],"forms":[16],"for":[17,79,163],"the":[18,25,32,44,49,53,114,125,131,150,160,164],"answer":[19],"a":[21,66,86],"questionnaire.":[22],"One":[23],"is":[24,34,59],"form":[26,46,58],"to":[27,74,84],"select":[28],"prepared":[29],"answers":[30],"other":[33],"free":[35,56,87],"text":[36,45,57,64,77,88],"form.":[37],"The":[38,61],"true":[39],"message":[40],"might":[41],"be":[42],"in":[43,65,120],"rather":[47],"than":[48],"numerical":[50],"part,":[51],"then":[52],"analysis":[54,89],"needed.":[60],"amount":[62],"questionnaire":[67],"is,":[68],"however,":[69],"large":[71],"difficult":[73],"read":[75],"whole":[76],"data":[78],"analysis.":[80],"This":[81],"study":[82],"tries":[83],"support":[90],"system":[91],"which":[92,147],"visualizes":[93],"relationships":[94],"among":[95,152],"respondents":[96,132],"based":[97,123,158],"on":[98,124,134,159],"their":[99,103,121,142],"texts":[100],"shows":[102,141],"opinions":[104,122,143],"using":[105,137,144],"graph":[106],"structure":[107,157],"keywords.":[109],"First,":[110],"this":[111],"paper":[112],"proposes":[113],"extraction":[115],"method":[116],"important":[118],"keywords":[119],"modification":[126],"relationships.":[127],"Next,":[128],"it":[129,140],"clusters":[130],"interactively":[133],"visible":[135],"space":[136],"MDS.":[138],"Finally,":[139],"HK":[145],"Graph":[146],"can":[148],"visualize":[149],"relationship":[151],"words":[153],"with":[154],"hierarchical":[155],"network":[156],"co-occurrence":[161],"information":[162],"keyword":[165],"graph.":[166]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
