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» Spatial Queries in Road Networks Based on PINE
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GIS
2007
ACM
14 years 8 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
JCST
2007
151views more  JCST 2007»
13 years 7 months ago
Indexing Future Trajectories of Moving Objects in a Constrained Network
Abstract Advances in wireless sensor networks and positioning technologies enable new applications monitoring moving objects. Some of these applications, such as traffic managemen...
Ji-Dong Chen, Xiao-Feng Meng
SSD
2005
Springer
93views Database» more  SSD 2005»
14 years 1 months ago
Semantic Caching for Multiresolution Spatial Query Processing in Mobile Environments
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
Sai Sun, Xiaofang Zhou, Heng Tao Shen
GIS
2008
ACM
13 years 8 months ago
Spatial queries in disconnected mobile networks
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
Xinjuan Zhu, Bo Xu, Ouri Wolfson
GIS
2009
ACM
14 years 7 days ago
Multimedia traffic information in vehicular networks
In this paper we consider a novel multimedia application, in which drivers may query multimedia clips captured by smartphones mounted on other vehicles. These multimedia clips vis...
Ouri Wolfson, Bo Xu, Hyung Ju Cho