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...
The current integrated developments in network and computing give rise to a technical infrastructure for the information society which one may variously circumscribe by terms such...
This paper proposes an extension of the multiversion two phase locking protocol, called EMVZPL, which enables update transactions to use versions while guaranteeing the serializab...
This paper presents a region splitting strategy for physical database design of multidimensional le organizations. Physical database design is the process of determining the optim...