{"id":"https://openalex.org/W2060885459","doi":"https://doi.org/10.1109/isads.2009.5207331","title":"Security system for children on school route","display_name":"Security system for children on school route","publication_year":2009,"publication_date":"2009-03-01","ids":{"openalex":"https://openalex.org/W2060885459","doi":"https://doi.org/10.1109/isads.2009.5207331","mag":"2060885459"},"language":"en","primary_location":{"id":"doi:10.1109/isads.2009.5207331","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isads.2009.5207331","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 International Symposium on Autonomous Decentralized Systems","raw_type":"proceedings-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/A5110765118","display_name":"Atsushi Ito","orcid":"https://orcid.org/0009-0000-6344-1581"},"institutions":[{"id":"https://openalex.org/I71799228","display_name":"KDDI (Japan)","ror":"https://ror.org/03r7fm174","country_code":"JP","type":"company","lineage":["https://openalex.org/I71799228"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Atsushi Ito","raw_affiliation_strings":["KDDI R&D Laboratories, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"KDDI R&D Laboratories, Tokyo, Japan","institution_ids":["https://openalex.org/I71799228"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100832002","display_name":"Tomoyuki Ohta","orcid":null},"institutions":[{"id":"https://openalex.org/I57930482","display_name":"Hiroshima City University","ror":"https://ror.org/001et4e78","country_code":"JP","type":"education","lineage":["https://openalex.org/I57930482"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomoyuki Ohta","raw_affiliation_strings":["Hiroshima City University, Hiroshima, Japan","Hiroshima City University Japan"],"affiliations":[{"raw_affiliation_string":"Hiroshima City University, Hiroshima, Japan","institution_ids":["https://openalex.org/I57930482"]},{"raw_affiliation_string":"Hiroshima City University Japan","institution_ids":["https://openalex.org/I57930482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080609117","display_name":"Shinji Inoue","orcid":"https://orcid.org/0000-0002-8881-648X"},"institutions":[{"id":"https://openalex.org/I57930482","display_name":"Hiroshima City University","ror":"https://ror.org/001et4e78","country_code":"JP","type":"education","lineage":["https://openalex.org/I57930482"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinji Inoue","raw_affiliation_strings":["Hiroshima City University, Hiroshima, Japan","Hiroshima City University Japan"],"affiliations":[{"raw_affiliation_string":"Hiroshima City University, Hiroshima, Japan","institution_ids":["https://openalex.org/I57930482"]},{"raw_affiliation_string":"Hiroshima City University Japan","institution_ids":["https://openalex.org/I57930482"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5110765118"],"corresponding_institution_ids":["https://openalex.org/I71799228"],"apc_list":null,"apc_paid":null,"fwci":1.0285,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.77904096,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9991999864578247,"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/T10246","display_name":"Mobile Ad Hoc Networks","score":0.9983000159263611,"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/T12801","display_name":"Bluetooth and Wireless Communication Technologies","score":0.9962000250816345,"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/christian-ministry","display_name":"Christian ministry","score":0.6342849731445312},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.6050278544425964},{"id":"https://openalex.org/keywords/government","display_name":"Government (linguistics)","score":0.575591504573822},{"id":"https://openalex.org/keywords/corporation","display_name":"Corporation","score":0.5500242114067078},{"id":"https://openalex.org/keywords/security-system","display_name":"Security system","score":0.5110496282577515},{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.4966610074043274},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.4533606469631195},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43830710649490356},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.35404717922210693},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3483045697212219},{"id":"https://openalex.org/keywords/engineering-management","display_name":"Engineering management","score":0.332613080739975},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.31061065196990967},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.19731423258781433},{"id":"https://openalex.org/keywords/finance","display_name":"Finance","score":0.15197399258613586},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14968231320381165}],"concepts":[{"id":"https://openalex.org/C521751864","wikidata":"https://www.wikidata.org/wiki/Q1729207","display_name":"Christian ministry","level":2,"score":0.6342849731445312},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.6050278544425964},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.575591504573822},{"id":"https://openalex.org/C2778348171","wikidata":"https://www.wikidata.org/wiki/Q167037","display_name":"Corporation","level":2,"score":0.5500242114067078},{"id":"https://openalex.org/C2984192347","wikidata":"https://www.wikidata.org/wiki/Q1497831","display_name":"Security system","level":2,"score":0.5110496282577515},{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.4966610074043274},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4533606469631195},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43830710649490356},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.35404717922210693},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3483045697212219},{"id":"https://openalex.org/C110354214","wikidata":"https://www.wikidata.org/wiki/Q6314146","display_name":"Engineering management","level":1,"score":0.332613080739975},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.31061065196990967},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.19731423258781433},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.15197399258613586},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14968231320381165},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isads.2009.5207331","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isads.2009.5207331","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 International Symposium on Autonomous Decentralized Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.41999998688697815}],"awards":[],"funders":[{"id":"https://openalex.org/F4320325628","display_name":"Ministry of Internal Affairs and Communications","ror":"https://ror.org/00vs1pz50"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":1,"referenced_works":["https://openalex.org/W2149963082"],"related_works":["https://openalex.org/W4220926637","https://openalex.org/W2362681120","https://openalex.org/W2376320007","https://openalex.org/W4376643979","https://openalex.org/W2322402661","https://openalex.org/W2389079374","https://openalex.org/W2372429262","https://openalex.org/W2903653170","https://openalex.org/W2722482855","https://openalex.org/W2351967314"],"abstract_inverted_index":{"To":[0],"keep":[1,146],"safety":[2,147],"is":[3,100],"one":[4],"of":[5,10,15,20,26,35,45,55,125,131,148],"the":[6,36,123,129,132,151],"most":[7],"important":[8],"duties":[9],"government.":[11],"In":[12,118],"2007,":[13],"Ministry":[14],"Internal":[16],"Affairs":[17],"and":[18,40,128,143],"Communications":[19],"Japan":[21],"tested":[22,41],"16":[23],"different":[24],"models":[25,37],"security":[27,86],"system":[28,87,114,127,139],"for":[29,88,115],"children":[30,89],"on":[31,90,103,150],"school":[32,47,91],"route.":[33],"One":[34],"was":[38,59],"constructed":[39,101],"at":[42],"an":[43],"area":[44],"a":[46],"in":[48],"Hiroshima":[49,62,64],"City":[50,65],"from":[51],"September":[52],"to":[53,75,145,153],"December":[54],"2007.":[56],"A":[57],"consortium":[58],"established":[60],"by":[61,93],"City,":[63],"University,":[66],"Chugoku":[67],"Electric":[68],"Power":[69],"Co.,":[70],"Inc,":[71],"KDDI":[72],"Corporation,":[73],"etc.":[74],"conduct":[76],"this":[77,80,113,119,126,138],"project.":[78],"For":[79],"model":[81],"project,":[82],"we":[83,121],"developed":[84],"new":[85],"route":[92],"using":[94],"mobile":[95,104],"ad":[96],"hoc":[97],"network":[98],"that":[99,137],"based":[102],"phone":[105],"with":[106],"Bluetooth":[107],"function.":[108],"About":[109],"700":[110],"students":[111,149],"used":[112],"four":[116],"months.":[117],"paper,":[120],"present":[122],"outline":[124],"result":[130],"trial.":[133],"We":[134],"also":[135],"describe":[136],"has":[140],"good":[141],"performance":[142],"accuracy":[144],"way":[152],"school.":[154]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}