{"id":"https://openalex.org/W2112346706","doi":"https://doi.org/10.1145/1555697.1555716","title":"Virtual WiFi network database construction for positioning services","display_name":"Virtual WiFi network database construction for positioning services","publication_year":2009,"publication_date":"2009-06-17","ids":{"openalex":"https://openalex.org/W2112346706","doi":"https://doi.org/10.1145/1555697.1555716","mag":"2112346706"},"language":"en","primary_location":{"id":"doi:10.1145/1555697.1555716","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1555697.1555716","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 4th International Conference on Future Internet Technologies","raw_type":"proceedings-article"},"type":"conference-paper","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/A5012872041","display_name":"Jinyoung Han","orcid":"https://orcid.org/0000-0002-8911-2791"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jinyoung Han","raw_affiliation_strings":["Seoul National University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seoul National University","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033355299","display_name":"Jeongkeun Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I1324840837","display_name":"Hewlett-Packard (United States)","ror":"https://ror.org/059rn9488","country_code":"US","type":"company","lineage":["https://openalex.org/I1324840837"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeongkeun Lee","raw_affiliation_strings":["HP Labs","HP Labs,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"HP Labs","institution_ids":["https://openalex.org/I1324840837"]},{"raw_affiliation_string":"HP Labs,","institution_ids":["https://openalex.org/I1324840837"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000297383","display_name":"Munyoung Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Munyoung Lee","raw_affiliation_strings":["Seoul National University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seoul National University","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011145339","display_name":"Kideok Cho","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kideok Cho","raw_affiliation_strings":["Seoul National University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seoul National University","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020592740","display_name":"Taejoon Ha","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124370","display_name":"Radiant Research (United States)","ror":"https://ror.org/03fz1e596","country_code":"US","type":"company","lineage":["https://openalex.org/I4210124370"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Taejoon Ha","raw_affiliation_strings":["Radiant Technologies, Inc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Radiant Technologies, Inc","institution_ids":["https://openalex.org/I4210124370"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5106697357","display_name":"Ted Kwon","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ted \"Taekyoung\" Kwon","raw_affiliation_strings":["Seoul National University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Seoul National University","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"32","last_page":"34"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9954000115394592,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/testbed","display_name":"Testbed","score":0.850483775138855},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8143505454063416},{"id":"https://openalex.org/keywords/rss","display_name":"RSS","score":0.7922075390815735},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.7153975963592529},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.5625109672546387},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.5583853125572205},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5253956913948059},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.45996198058128357},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.40958189964294434},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3915345370769501},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.10115957260131836}],"concepts":[{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.850483775138855},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8143505454063416},{"id":"https://openalex.org/C2385561","wikidata":"https://www.wikidata.org/wiki/Q45432","display_name":"RSS","level":2,"score":0.7922075390815735},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.7153975963592529},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.5625109672546387},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.5583853125572205},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5253956913948059},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.45996198058128357},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.40958189964294434},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3915345370769501},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.10115957260131836},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1555697.1555716","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1555697.1555716","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 4th International Conference on Future Internet Technologies","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5600000023841858,"display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G5680141499","display_name":null,"funder_award_id":"2007-F-038-03","funder_id":"https://openalex.org/F4320321640","funder_display_name":"Ministry of Knowledge Economy"}],"funders":[{"id":"https://openalex.org/F4320321640","display_name":"Ministry of Knowledge Economy","ror":"https://ror.org/008nkqk13"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1543055549","https://openalex.org/W1598464535","https://openalex.org/W1785358601","https://openalex.org/W2039410502","https://openalex.org/W2096157747","https://openalex.org/W2121868539","https://openalex.org/W2125869345","https://openalex.org/W2129857356","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W426968574","https://openalex.org/W2365639220","https://openalex.org/W2382520895","https://openalex.org/W2393709043","https://openalex.org/W2883256816","https://openalex.org/W2080567403","https://openalex.org/W2539387137","https://openalex.org/W2122386400","https://openalex.org/W2006210355","https://openalex.org/W2139410723"],"abstract_inverted_index":{"WiFi-based":[0,77],"location":[1,50],"based":[2],"services":[3],"(LBSs)":[4],"are":[5,106],"expected":[6],"to":[7,55,71,108],"be":[8,34],"more":[9,11],"and":[10,81,99],"pervasive":[12],"in":[13],"future":[14],"Internet.":[15],"In":[16,62],"WiFi":[17],"networks,":[18],"a":[19,87,96,111],"virtual":[20],"network":[21,113],"database":[22,114],"(VNDB),":[23],"which":[24],"maintains":[25],"the":[26,37,40,43,49,60,76,92,103],"estimated":[27],"locations":[28],"of":[29,42],"access":[30],"points":[31],"(APs),":[32],"should":[33],"constructed":[35],"for":[36,59,75],"localization.":[38],"Since":[39],"quality":[41],"LBS":[44],"is":[45,53],"mainly":[46],"determined":[47],"by":[48],"accuracy,":[51],"it":[52],"essential":[54],"maintain":[56],"accurate":[57,73,104],"VNDBs":[58,74],"LBS.":[61],"this":[63],"paper,":[64],"we":[65],"propose":[66],"two":[67],"novel":[68],"filtering":[69,80],"methods":[70,94],"construct":[72,95],"localization:":[78],"RSS":[79],"grid-based":[82],"filtering.":[83],"Experimental":[84],"results":[85,101],"on":[86],"real":[88,112],"testbed":[89],"show":[90],"that":[91],"proposed":[93],"VNDB":[97,105],"accurately":[98],"localization":[100],"with":[102,110],"comparable":[107],"those":[109],"(RNDB).":[115]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
