Sciweavers

96 search results - page 12 / 20
» Top-k spatial keyword queries on road networks
Sort
View
MOBIDE
2010
ACM
14 years 9 months ago
Direction-based spatial skylines
Traditional location-based services recommend nearest objects to the user by considering their spatial proximity. However, an object not only has its distance but also has its dir...
Xi Guo, Yoshiharu Ishikawa, Yunjun Gao
MOBIDE
2006
ACM
15 years 3 months ago
Evaluation of probabilistic queries in moving objects databases
The representation of moving objects in spatial database systems has become an important research topic in recent years. As it is not realistic to track and store the location of ...
Talel Abdessalem, Laurent Decreusefond, José...
ITNG
2010
IEEE
15 years 2 months ago
Fuzzy Spatio-temporal Relations Analysis
—There are different families of Spatio-temporal relations such as same-place same-time, same-place differenttimes, for road networks like overtake, derive beside and many others...
Nadeem Salamat, El-hadi Zahzah
SIGMOD
2009
ACM
177views Database» more  SIGMOD 2009»
15 years 10 months ago
ORDEN: outlier region detection and exploration in sensor networks
Sensor networks play a central role in applications that monitor variables in geographic areas such as the traffic volume on roads or the temperature in the environment. A key fea...
Conny Franke, Michael Gertz
GIS
2010
ACM
14 years 8 months ago
Decentralized querying of topological relations between regions without using localization
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
Matt Duckham, Myeong Hun Jeong, Sanjiang Li, Joche...