Efficient user-adaptable similarity search more and more increases in its importance for multimedia and spatial database systems. As a general similarity model for multi-dimension...
Garlic is amiddlewaresystemthatprovidesanintegratedview of a variety of legacydatasources, without changinghow or wheredatais stored.In this paper,we describeour architecturefor w...
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
This paper describes the Array Manipulation Language (AML), an algebra for multidimensional array data. AML is generic, in the sense that it can be customized to support a wide va...