{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T16:25:29Z","timestamp":1781195129907,"version":"3.54.1"},"reference-count":74,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"1","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100001381","name":"National Research Foundation, Prime Minister\u2019s Office, Singapore","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001381","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Strategic Capability Research Centres Funding Initiative"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Internet Things J."],"published-print":{"date-parts":[[2021,1,1]]},"DOI":"10.1109\/jiot.2020.3004703","type":"journal-article","created":{"date-parts":[[2020,6,24]],"date-time":"2020-06-24T21:20:12Z","timestamp":1593033612000},"page":"393-406","source":"Crossref","is-referenced-by-count":36,"title":["GraphIPS: Calibration-Free and Map-Free Indoor Positioning Using Smartphone Crowdsourced Data"],"prefix":"10.1109","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7972-011X","authenticated-orcid":false,"given":"Yonghao","family":"Zhao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4122-7167","authenticated-orcid":false,"given":"Zhixiang","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianyi","family":"Feng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6581-234X","authenticated-orcid":false,"given":"Wai-Choong","family":"Wong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0553-7507","authenticated-orcid":false,"given":"Hari Krishna","family":"Garg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref73","year":"2019","journal-title":"Indoor Positioning Using Time of Flight With Respect to WiFi Access Points"},{"key":"ref72","doi-asserted-by":"publisher","DOI":"10.1109\/JSYST.2016.2525814"},{"key":"ref71","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2012.2197617"},{"key":"ref70","doi-asserted-by":"publisher","DOI":"10.3390\/s17122927"},{"key":"ref74","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2019.2921312"},{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.4135\/9781412985130"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1017\/S0263574714001908"},{"key":"ref33","author":"thrun","year":"2005","journal-title":"Probabilistic Robotics"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/TRO.2007.903811"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2014.2382568"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2019.2912808"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/ICRA.2011.5979643"},{"key":"ref36","first-page":"2480","article-title":"WiFi-SLAM using Gaussian process latent variable models","volume":"7","author":"ferris","year":"2007","journal-title":"Proc IJCAI"},{"key":"ref35","article-title":"FastSLAM: A factored solution to the simultaneous localization and mapping problem","author":"montemerlo","year":"2002","journal-title":"Proc AAAI"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1177\/0278364904045479"},{"key":"ref60","doi-asserted-by":"publisher","DOI":"10.1145\/2370216.2370280"},{"key":"ref62","doi-asserted-by":"publisher","DOI":"10.1007\/s11265-012-0711-5"},{"key":"ref61","article-title":"Dead reckoning navigational system using accelerometer to measure foot impacts","author":"levi","year":"1996"},{"key":"ref63","doi-asserted-by":"publisher","DOI":"10.1080\/03772063.2014.890826"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/TNN.2008.2005494"},{"key":"ref64","doi-asserted-by":"publisher","DOI":"10.1109\/IPIN.2018.8533698"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1007\/11893004_81"},{"key":"ref65","doi-asserted-by":"publisher","DOI":"10.1214\/aoms\/1177729694"},{"key":"ref66","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2013.6567054"},{"key":"ref29","article-title":"Location-aware computing: A neural network model for determining location in wireless LANs","author":"battiti","year":"2002"},{"key":"ref67","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2017.2778155"},{"key":"ref68","doi-asserted-by":"publisher","DOI":"10.1145\/2809695.2809703"},{"key":"ref69","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2791579"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1155\/2017\/2630413"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/TSMCC.2007.905750"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2017.2649918"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1145\/1859995.1860016"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/LAWP.2014.2316973"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2014.2320254"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2015.2506585"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1023\/A:1008854305733"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/MITS.2010.939925"},{"key":"ref50","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2018.8422242"},{"key":"ref51","year":"2019","journal-title":"Getsensordata Developed by LOPSI Group"},{"key":"ref59","doi-asserted-by":"publisher","DOI":"10.1109\/IPIN.2016.7743608"},{"key":"ref58","doi-asserted-by":"publisher","DOI":"10.1109\/IPIN.2011.6071935"},{"key":"ref57","volume":"13","author":"leonhardt","year":"2007","journal-title":"4th International Workshop on Wearable and Implantable Body Sensor Networks (BSN 2007) March 26&#x2013;28 2007 RWTH Aachen University Germany"},{"key":"ref56","doi-asserted-by":"publisher","DOI":"10.1109\/TIM.2005.858557"},{"key":"ref55","doi-asserted-by":"publisher","DOI":"10.3390\/s16122030"},{"key":"ref54","doi-asserted-by":"publisher","DOI":"10.1109\/CloudNet.2016.43"},{"key":"ref53","doi-asserted-by":"publisher","DOI":"10.3390\/s17030557"},{"key":"ref52","doi-asserted-by":"publisher","DOI":"10.1109\/IPIN.2013.6817843"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2016.2628701"},{"key":"ref40","author":"borg","year":"2005","journal-title":"Modern Multidimensional Scaling Theory and Applications"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2016.2628713"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1016\/j.comcom.2015.03.001"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1145\/1023783.1023786"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1145\/2069000.2069008"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.3390\/s110404358"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/SURV.2012.121912.00075"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1145\/2348543.2348580"},{"key":"ref18","doi-asserted-by":"crossref","first-page":"839","DOI":"10.1109\/TPDS.2012.179","article-title":"WILL: Wireless indoor localization without site survey","volume":"24","author":"wu","year":"2013","journal-title":"IEEE Trans Parallel Distrib Syst"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2012.110"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2012.6195606"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/ICCCE.2016.28"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1145\/2971648.2971665"},{"key":"ref5","first-page":"71","article-title":"ArrayTrack: A fine-grained indoor location system","author":"xiong","year":"2013","journal-title":"Proc USENIX"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1145\/1067170.1067193"},{"key":"ref49","doi-asserted-by":"publisher","DOI":"10.1016\/j.robot.2018.06.015"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2000.832252"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/APSIPA.2016.7820842"},{"key":"ref46","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2009.2024869"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.18637\/jss.v031.i03"},{"key":"ref48","doi-asserted-by":"publisher","DOI":"10.1214\/ss\/1177012582"},{"key":"ref47","doi-asserted-by":"publisher","DOI":"10.1109\/TSMCC.2012.2186800"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1109\/TPDS.2004.67"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/MSP.2005.1458287"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1109\/VTCF.2006.518"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1109\/INFCOM.2004.1354683"}],"container-title":["IEEE Internet of Things Journal"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/6488907\/9302559\/09123758.pdf?arnumber=9123758","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:53:38Z","timestamp":1652194418000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9123758\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1,1]]},"references-count":74,"journal-issue":{"issue":"1"},"URL":"https:\/\/doi.org\/10.1109\/jiot.2020.3004703","relation":{},"ISSN":["2327-4662","2372-2541"],"issn-type":[{"value":"2327-4662","type":"electronic"},{"value":"2372-2541","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,1,1]]}}}