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SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
15 years 6 months ago
Query Execution Techniques for Caching Expensive Methods
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...
Joseph M. Hellerstein, Jeffrey F. Naughton
110
Voted
TAPSOFT
1997
Springer
15 years 6 months ago
Specifying Complex and Structured Systems with Evolving Algebras
This paper presents an approach for specifying complex, structured systems with Evolving Algebras by means of aggregation and composition. Evolving algebras provide a formal method...
Wolfgang May
ICSE
1993
IEEE-ACM
15 years 6 months ago
"...And Nothing Else Changes": The Frame Problem in Procedure Specifications
We give examples of situations where formal specifications of procedures in the standard pre/postcondition style become lengthy, cumbersome and difficult to change, a problem whic...
Alexander Borgida, John Mylopoulos, Raymond Reiter
107
Voted
KR
1994
Springer
15 years 6 months ago
An Application of Terminological Logics to Case-based Reasoning
A key problem in case-based reasoning is the representation, organization and maintenance of case libraries. While current approaches rely on heuristic and psychologically inspire...
Jana Koehler
SIGIR
1993
ACM
15 years 6 months ago
A Model of Information Retrieval Based on a Terminological Logic
According to the logical model of Information Retrieval (IR), the task of IR can be described as the extraction, from a given document base, of those documents d that, given a que...
Carlo Meghini, Fabrizio Sebastiani, Umberto Stracc...