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INFOCOM
2011
IEEE
12 years 11 months ago
Continuous multi-dimensional top-k query processing in sensor networks
—Top-k query has long been an important topic in many fields of computer science. Efficient implementation of the top-k queries is the key for information searching. With the n...
Hongbo Jiang, Jie Cheng, Dan Wang, Chonggang Wang,...
MOBIHOC
2009
ACM
14 years 8 months ago
Secure multidimensional range queries in sensor networks
Most future large-scale sensor networks are expected to follow a two-tier architecture which consists of resource-rich master nodes at the upper tier and resource-poor sensor node...
Rui Zhang, Jing Shi, Yanchao Zhang
SIGMOD
1996
ACM
133views Database» more  SIGMOD 1996»
13 years 11 months ago
Multi-dimensional Resource Scheduling for Parallel Queries
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...
Minos N. Garofalakis, Yannis E. Ioannidis
DAWAK
2001
Springer
14 years 1 days ago
Optimization Algorithms for Simultaneous Multidimensional Queries in OLAP Environments
Multi-Dimensional Expressions (MDX) provide an interface for asking several related OLAP queries simultaneously. An interesting problem is how to optimize the execution of an MDX q...
Panos Kalnis, Dimitris Papadias
ICDE
1999
IEEE
111views Database» more  ICDE 1999»
14 years 8 months ago
Storage of Multidimensional Arrays Based on Arbitrary Tiling
Storage management of multidimensional arrays aims at supporting the array model needed by applications and insuring fast execution of access operations. Current approaches to sto...
Paula Furtado, Peter Baumann