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CORR
1999
Springer
116views Education» more  CORR 1999»
15 years 1 months ago
Efficient and Extensible Algorithms for Multi Query Optimization
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a lot of common sub-expressions, either within a singl...
Prasan Roy, S. Seshadri, S. Sudarshan, Siddhesh Bh...
EDBT
2010
ACM
135views Database» more  EDBT 2010»
14 years 12 months ago
Querying spatial patterns
Spatial data are common in many scientific and commercial domains such as geographical information systems and gene/protein expression profiles. Querying for distribution patterns...
Vishwakarma Singh, Arnab Bhattacharya, Ambuj K. Si...
BNCOD
2011
356views Database» more  BNCOD 2011»
14 years 1 months ago
Achieving High Freshness and Optimal Throughput in CPU-Limited Execution of Multi-join Continuous Queries
Due to high data volumes and unpredictable arrival rates, continuous query systems processing expensive queries in real-time may fail to keep up with the input data streams - resul...
Abhishek Mukherji, Elke A. Rundensteiner, Matthew ...
INFOCOM
2009
IEEE
15 years 8 months ago
ElliPS: A Privacy Preserving Scheme for Sensor Data Storage and Query
—With in-network sensor data storage and query, storage nodes are responsible for storing the data collected by sensor nodes and answering queries from users. Thus, without prope...
Nalin Subramanian, Ka Yang, Wensheng Zhang, Daji Q...
CIKM
2009
Springer
15 years 6 months 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