346 search results - page 49 / 70 » Ticket-based mobile commerce system and its implementation |
MHCI
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. In this paper we describe a new method and user interface for interactive positioning of a mobile device. The key element of this method is a questionanswer style dialogu...
MOBICOM
2003
ACM
15 years 5 months ago
2003
ACM
Routers are expected to play an important role in the IPbased wireless data network. Although a substantial number of techniques have been proposed to improve wireless network per...
DSN
2003
IEEE
15 years 5 months ago
2003
IEEE
The presence of physical obstacles and radio interference results in the so called “shadow regions” in wireless networks. When a mobile station roams into a shadow region, it ...
102
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IWSAS
2001
Springer
15 years 4 months ago
2001
Springer
: This paper describes a new approach for the creation of an adaptive system able to selectively combine dynamic multidimensional information sources to perform state estimation. T...
91
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MIDDLEWARE
2004
Springer
15 years 5 months ago
2004
Springer
In pervasive computing environments, conditions are highly variable and resources are limited. In order to meet the needs of applications, systems must adapt dynamically to changi...