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TKDE
2011
13 years 3 months ago
2011
— In location-based, mobile continual query (CQ) systems, two key measures of quality of service (QoS) are: freshness and accuracy. To achieve freshness, the CQ server must perfo...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...
SCHULE
2007
Springer
14 years 3 months ago
2007
Springer
: In our department we have a long history of developing interfaces for learning, which are framed by constructivist and constructionist theories of learning. Thus we try to create...
PERCOM
2008
ACM
13 years 9 months ago
2008
ACM
Integrating p2p services in multi-hop ad hoc networks is today a hot topic. General multi-hop , and pervasive systems in particular, can greatly benefit from high-level middleware...
CCS
2011
ACM
12 years 9 months ago
2011
ACM
A significant and growing class of location-based mobile applications aggregate position data from individual devices at a server and compute aggregate statistics over these posi...