LifeMap: A smartphone-based context provider for location-based services

John Chon, Hojung Cha

Research output: Contribution to journalArticlepeer-review

243 Citations (Scopus)


LifeMap, a smartphone-based context provider operating in real time, fuses accelerometer, digital compass, Wi-Fi, and GPS to track and automatically identify points of interest with room-level accuracy.

Original languageEnglish
Article number5686873
Pages (from-to)58-67
Number of pages10
JournalIEEE Pervasive Computing
Issue number2
Publication statusPublished - 2011 Apr

Bibliographical note

Funding Information:
This work was supported by the national research Foundation of Korea grant funded by the Korean government, Ministry of Education, Science and Technology (number 2010-0000405).

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Science Applications
  • Computational Theory and Mathematics


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