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CIKM
2009
Springer
14 years 8 days ago
Query processing of massive trajectory data based on mapreduce
With the development of positioning technologies and the boosting deployment of inexpensive location-aware sensors, large volumes of trajectory data have emerged. However, efficie...
Qiang Ma, Bin Yang 0002, Weining Qian, Aoying Zhou
DMSN
2006
ACM
13 years 11 months ago
Processing proximity queries in sensor networks
Sensor networks are often used to perform monitoring tasks, such as in animal or vehicle tracking and in surveillance of enemy forces in military applications. In this paper we in...
Yannis Kotidis
IQIS
2007
ACM
13 years 9 months ago
On the performance of one-to-many data transformations
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
Paulo J. F. Carreira, Helena Galhardas, Joã...
GIS
2003
ACM
14 years 8 months ago
Processing in-route nearest neighbor queries: a comparison of alternative approaches
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
Shashi Shekhar, Jin Soung Yoo
GIS
2008
ACM
13 years 8 months ago
Snapshot location-based query processing on moving objects in road networks
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
Haojun Wang, Roger Zimmermann