{"id":"https://openalex.org/W2052861000","doi":"https://doi.org/10.1109/ithings/cpscom.2011.54","title":"Power-Efficient Cyber-Physical Late Arrival Detection with Smartphones","display_name":"Power-Efficient Cyber-Physical Late Arrival Detection with Smartphones","publication_year":2011,"publication_date":"2011-10-01","ids":{"openalex":"https://openalex.org/W2052861000","doi":"https://doi.org/10.1109/ithings/cpscom.2011.54","mag":"2052861000"},"language":"en","primary_location":{"id":"doi:10.1109/ithings/cpscom.2011.54","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ithings/cpscom.2011.54","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference on Internet of Things and 4th International Conference on Cyber, Physical and Social Computing","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/A5063898205","display_name":"Daniel Guymon","orcid":null},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniel Guymon","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","[Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA]","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020629662","display_name":"Brian Dougherty","orcid":null},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brian Dougherty","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","[Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA]","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023026501","display_name":"Jules White","orcid":"https://orcid.org/0000-0002-6331-2365"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jules White","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","[Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"[Dept. of Electr. & Comput. Eng., Virginia Tech, Blacksburg, VA, USA]","institution_ids":["https://openalex.org/I859038795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081955215","display_name":"Mani Golparvar\u2010Fard","orcid":"https://orcid.org/0000-0002-9432-9370"},"institutions":[{"id":"https://openalex.org/I859038795","display_name":"Virginia Tech","ror":"https://ror.org/02smfhw86","country_code":"US","type":"education","lineage":["https://openalex.org/I859038795"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mani Golparvar-Fard","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA, USA","Dept. of Civil & Environ. Eng., Virginia Tech, Blacksburg, VA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]},{"raw_affiliation_string":"Dept. of Civil & Environ. Eng., Virginia Tech, Blacksburg, VA, USA","institution_ids":["https://openalex.org/I859038795"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1083089,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"5","issue":null,"first_page":"242","last_page":"251"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9991999864578247,"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":0.9991999864578247,"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9883999824523926,"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/beacon","display_name":"Beacon","score":0.8470733761787415},{"id":"https://openalex.org/keywords/cyber-physical-system","display_name":"Cyber-physical system","score":0.8087775111198425},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7645562887191772},{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.6040807962417603},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5428758263587952},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.5227063894271851},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.468619167804718},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.43245285749435425},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.41280290484428406},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38943544030189514},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3543972969055176},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.334839403629303},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29364198446273804},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.212967187166214},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09836956858634949}],"concepts":[{"id":"https://openalex.org/C102168758","wikidata":"https://www.wikidata.org/wiki/Q7321258","display_name":"Beacon","level":2,"score":0.8470733761787415},{"id":"https://openalex.org/C179768478","wikidata":"https://www.wikidata.org/wiki/Q1120057","display_name":"Cyber-physical system","level":2,"score":0.8087775111198425},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7645562887191772},{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.6040807962417603},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5428758263587952},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.5227063894271851},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.468619167804718},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.43245285749435425},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.41280290484428406},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38943544030189514},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3543972969055176},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.334839403629303},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29364198446273804},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.212967187166214},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09836956858634949},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ithings/cpscom.2011.54","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ithings/cpscom.2011.54","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Conference on Internet of Things and 4th International Conference on Cyber, Physical and Social Computing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.468.9263","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.468.9263","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dre.vanderbilt.edu/~jules/late.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1512527155","https://openalex.org/W1768994003","https://openalex.org/W2017573865","https://openalex.org/W2054009460","https://openalex.org/W2135854940","https://openalex.org/W2138237249","https://openalex.org/W2140216016","https://openalex.org/W2161189524","https://openalex.org/W2163890939","https://openalex.org/W2181642435","https://openalex.org/W4236742608","https://openalex.org/W6638045046","https://openalex.org/W6685656923"],"related_works":["https://openalex.org/W2567632598","https://openalex.org/W2106845956","https://openalex.org/W3158435160","https://openalex.org/W2112938119","https://openalex.org/W2101178385","https://openalex.org/W2790129070","https://openalex.org/W2132294172","https://openalex.org/W4313213593","https://openalex.org/W2518860590","https://openalex.org/W3136975152"],"abstract_inverted_index":{"Late":[0],"arrival":[1,61,77,140],"to":[2,34,46,58,72,94,117,148],"jobs":[3],"and":[4,29,44,79,101,128],"meetings":[5],"is":[6,99],"a":[7,11,22,47,54,87,97,119],"critical":[8],"problem":[9],"in":[10],"number":[12],"of":[13,37,75],"domains,":[14],"such":[15],"as":[16],"building":[17],"construction.":[18],"Smart":[19],"phones":[20],"are":[21],"promising":[23],"platform":[24],"for":[25,90,125],"detecting":[26],"late":[27,60,76,139],"arrivals":[28],"notifying":[30],"affected":[31],"parties":[32],"due":[33],"the":[35,68,73,136],"variety":[36],"sensors":[38],"they":[39],"possess,":[40],"persistent":[41],"Internet":[42],"connection,":[43],"access":[45],"user's":[48],"calendar":[49],"data.":[50],"This":[51],"paper":[52,66],"presents":[53,86,131],"power-efficient":[55],"cyber-physical":[56,88,137],"approach":[57,89,142],"indoor/outdoor":[59],"detection,":[62],"called":[63],"LifeSaver.":[64],"The":[65],"provides":[67],"following":[69],"three":[70],"contributions":[71],"study":[74],"detection":[78,141,150],"notification":[80],"with":[81],"smart":[82,126],"phones:":[83],"1)":[84],"it":[85,109,130],"using":[91],"accelerometer":[92],"data":[93],"predict":[95],"when":[96],"user":[98],"moving":[100],"make":[102],"more":[103],"power":[104,146],"efficient":[105],"localization":[106,123,156],"decisions,":[107],"2)":[108],"shows":[110],"how":[111],"Bluetooth":[112],"beacons":[113],"can":[114],"be":[115],"used":[116],"provide":[118],"simplified":[120],"meeting":[121],"room":[122],"mechanism":[124],"phones,":[127],"3)":[129],"empirical":[132],"results":[133],"showing":[134],"that":[135,152],"LifeSaver":[138],"uses":[143],"43%":[144],"less":[145],"compared":[147],"lateness":[149],"approaches":[151],"rely":[153],"on":[154],"standard":[155],"strategies.":[157]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}