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SIGMOD
2009
ACM
198views Database» more  SIGMOD 2009»
14 years 8 months ago
Monitoring path nearest neighbor in road networks
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Jeffrey...
GIS
2005
ACM
14 years 8 months ago
Shapes based trajectory queries for moving objects
An interesting issue in moving objects databases is to find similar trajectories of moving objects. Previous work on this topic focuses on movement patterns (trajectories with tim...
Bin Lin, Jianwen Su
ICCSA
2009
Springer
14 years 2 months ago
Towards Location-Based Real-Time Monitoring Systems in u-LBS
Recently, ubiquitous location-based services (u-LBS) has been utilized in a variety of practical and mission-critical applications such as security services, personalization servic...
MoonBae Song, Hyunseung Choo
CIKM
2007
Springer
14 years 1 months ago
Optimizing parallel itineraries for knn query processing in wireless sensor networks
Spatial queries for extracting data from wireless sensor networks are important for many applications, such as environmental monitoring and military surveillance. One such query i...
Tao-Young Fu, Wen-Chih Peng, Wang-Chien Lee
VLDB
2004
ACM
112views Database» more  VLDB 2004»
14 years 8 months ago
Tracking set-expression cardinalities over continuous update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...