{"id":"https://openalex.org/W2750514495","doi":"https://doi.org/10.1007/s11042-017-5113-z","title":"Combining TF-IDF and LDA to generate flexible communication for recommendation services by a humanoid robot","display_name":"Combining TF-IDF and LDA to generate flexible communication for recommendation services by a humanoid robot","publication_year":2017,"publication_date":"2017-08-21","ids":{"openalex":"https://openalex.org/W2750514495","doi":"https://doi.org/10.1007/s11042-017-5113-z","mag":"2750514495"},"language":"en","primary_location":{"id":"doi:10.1007/s11042-017-5113-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11042-017-5113-z","pdf_url":null,"source":{"id":"https://openalex.org/S110206669","display_name":"Multimedia Tools and Applications","issn_l":"1380-7501","issn":["1380-7501","1573-7721"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Multimedia Tools and Applications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004531131","display_name":"Namyeon Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I36738375","display_name":"Hanshin University","ror":"https://ror.org/039fgyk85","country_code":"KR","type":"education","lineage":["https://openalex.org/I36738375"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Namyeon Lee","raw_affiliation_strings":["Department of IT Business Administration, Hanshin University, Osan, Gyeonggi, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of IT Business Administration, Hanshin University, Osan, Gyeonggi, Republic of Korea","institution_ids":["https://openalex.org/I36738375"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100319320","display_name":"Eunji Kim","orcid":"https://orcid.org/0000-0003-4857-521X"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Eunji Kim","raw_affiliation_strings":["CAITECH, Kyung Hee University, Seoul, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAITECH, Kyung Hee University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I35928602"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088891802","display_name":"Ohbyung Kwon","orcid":"https://orcid.org/0000-0001-9686-6586"},"institutions":[{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Ohbyung Kwon","raw_affiliation_strings":["School of Management, Kyung Hee University, Seoul, Republic of Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Management, Kyung Hee University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I35928602"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5088891802"],"corresponding_institution_ids":["https://openalex.org/I35928602"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":1.3645,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.86274764,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"77","issue":"4","first_page":"5043","last_page":"5058"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10028","display_name":"Topic Modeling","score":0.9983999729156494,"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/T10028","display_name":"Topic Modeling","score":0.9983999729156494,"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/T10181","display_name":"Natural Language Processing Techniques","score":0.9980999827384949,"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/T11714","display_name":"Multimodal Machine Learning Applications","score":0.994700014591217,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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":0.8723081946372986},{"id":"https://openalex.org/keywords/robot","display_name":"Robot","score":0.7479806542396545},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.708959698677063},{"id":"https://openalex.org/keywords/humanoid-robot","display_name":"Humanoid robot","score":0.6933645009994507},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.6205699443817139},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.5475437045097351},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5331102609634399},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.45162808895111084},{"id":"https://openalex.org/keywords/tf\u2013idf","display_name":"tf\u2013idf","score":0.4187001585960388},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4056418538093567},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3380303978919983},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3268662393093109}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8723081946372986},{"id":"https://openalex.org/C90509273","wikidata":"https://www.wikidata.org/wiki/Q11012","display_name":"Robot","level":2,"score":0.7479806542396545},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.708959698677063},{"id":"https://openalex.org/C60692881","wikidata":"https://www.wikidata.org/wiki/Q584529","display_name":"Humanoid robot","level":3,"score":0.6933645009994507},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.6205699443817139},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.5475437045097351},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5331102609634399},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.45162808895111084},{"id":"https://openalex.org/C81758059","wikidata":"https://www.wikidata.org/wiki/Q796584","display_name":"tf\u2013idf","level":3,"score":0.4187001585960388},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4056418538093567},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3380303978919983},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3268662393093109},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.0},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11042-017-5113-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11042-017-5113-z","pdf_url":null,"source":{"id":"https://openalex.org/S110206669","display_name":"Multimedia Tools and Applications","issn_l":"1380-7501","issn":["1380-7501","1573-7721"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Multimedia Tools and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.7599999904632568,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W24326335","https://openalex.org/W166810519","https://openalex.org/W1492497862","https://openalex.org/W1880262756","https://openalex.org/W1973545355","https://openalex.org/W1975374640","https://openalex.org/W2001082470","https://openalex.org/W2007641611","https://openalex.org/W2017291483","https://openalex.org/W2025666315","https://openalex.org/W2027860796","https://openalex.org/W2035259174","https://openalex.org/W2046586519","https://openalex.org/W2057506443","https://openalex.org/W2060245136","https://openalex.org/W2063904635","https://openalex.org/W2065512234","https://openalex.org/W2086038979","https://openalex.org/W2091317794","https://openalex.org/W2128925311","https://openalex.org/W2147152072","https://openalex.org/W2276668503","https://openalex.org/W2502609170","https://openalex.org/W3099640513","https://openalex.org/W4256207444"],"related_works":["https://openalex.org/W2031129854","https://openalex.org/W1804325819","https://openalex.org/W4385626272","https://openalex.org/W4225148601","https://openalex.org/W2121244105","https://openalex.org/W2169547041","https://openalex.org/W2052008821","https://openalex.org/W2058108211","https://openalex.org/W2028015327","https://openalex.org/W3093660417"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1}],"updated_date":"2026-08-14T07:06:38.338062","created_date":"2025-10-10T00:00:00"}