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ER
2003
Springer
86views Database» more  ER 2003»
14 years 2 months ago
An Interpolated Volume Model for Databases
In this paper we present a volume data model amenable to querying volumes in databases. Unlike most existing volume models, which are directed towards specific applications (notab...
Tianqiu Wang, Simone Santini, Amarnath Gupta
ISPAN
2002
IEEE
14 years 2 months ago
Parallel Selection Query Processing Involving Index in Parallel Database Systems
Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...
J. Wenny Rahayu, David Taniar
TPHOL
2002
IEEE
14 years 2 months ago
Weakest Precondition for General Recursive Programs Formalized in Coq
Abstract. This paper describes a formalization of the weakest precondition, wp, for general recursive programs using the type-theoretical proof assistant Coq. The formalization is ...
Xingyuan Zhang, Malcolm Munro, Mark Harman, Lin Hu
MCS
2001
Springer
14 years 1 months ago
Automatic Model Selection in a Hybrid Perceptron/Radial Network
We provide several enhancements to our previously introduced algorithm for a sequential construction of a hybrid network of radial and perceptron hidden units [6]. At each stage, ...
Shimon Cohen, Nathan Intrator
SSD
2001
Springer
94views Database» more  SSD 2001»
14 years 1 months ago
Selectivity Estimation of Complex Spatial Queries
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
Nikos Mamoulis, Dimitris Papadias