3Sehilit B. , Theimer, M. Disseminating Active Map Information to Mobile Hosts[J]. IEEE Network,1994(5):22-32.
4Brown P. J. , Bovey, J. D. , Chen, X. Context Aware Applica- tions:From the Laboratory to the Marketplace[J]. IEEE Per sonal Communications, 19 9 7 (5) : 58-64.
5Dey A. K. Context-Aware Computing:The CyberDesk Project [J]. In AAAI 1998 Spring Symposium on Intelligent Environ- ments, 1998(3) : 51-54.
6Dey A. K. ,Abowd G. D. Towards a Better Understanding of Context and Context-Awareness[J]. Lecture Notes In Com- puter Science, 1999(1707) ~304-307.
9Abowd G D, et al. Towards a better understanding of context and context-awareness [ C ]//Handheld and u- biquitous computing. Springer Berlin Heidelberg, 1999: 304- 307.
10Schilit B N, Theimer M M. Disseminating active map information to mobile hosts [J]. IEEE, 1994, 8 (5): 22- 32.
