180 search results - page 32 / 36 » Providing Digital Time Stamping Services to Mobile Devices |
SSD
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. Modern mobile phones and PDAs are equipped with positioning capabilities (e.g., GPS). Users can access public location-based services (e.g., Google Maps) and ask spatial ...
GIS
2004
ACM
14 years 9 months ago
2004
ACM
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
ICDCS
2006
IEEE
14 years 2 months ago
2006
IEEE
Effective caching in Domain Name System (DNS) is critical to its performance and scalability. Existing DNS only supports weak cache consistency by using the Time-To-Live (TTL) mec...
ADB
1994
14 years 20 days ago
1994
Database applications and technologies are of central importance in many information systems a person may encounter. To obtain services, the end-users are required a smart card (pl...
JCST
2010
13 years 7 months ago
2010
Abstract Location-aware technology spawns numerous unforeseen pervasive applications in a wide range of living, production, commence, and public services. This article provides an ...