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CIKM
1999
Springer
14 years 2 months ago
Rule-Based Query Optimization, Revisited
We present the architecture and a performance assessment of an extensible query optimizer written in Venus. Venus is a general-purpose active-database rule language embedded in C+...
Lane Warshaw, Daniel P. Miranker
ICS
1999
Tsinghua U.
14 years 2 months ago
Low-level router design and its impact on supercomputer system performance
Supercomputer performance is highly dependent on its interconnection subsystem design. In this paper we study how di erent architectural approaches for router design impact into s...
Valentin Puente, José A. Gregorio, Cruz Izu...
CSCW
1998
ACM
14 years 2 months ago
Cooperative Knowledge Work and Practices of Trust: Sharing Environmental Planning Data Sets
Knowledge communities of all kinds have social and material practices for deciding what is known and who is to be trusted. In this paper, we address a specific kind of knowledge w...
Nancy A. Van House, Mark H. Butler, Lisa R. Schiff
IATA
1998
Springer
14 years 2 months ago
Development of a Multi-Agent System for Cooperative Work with Network Negotiation Capabilities
This paper describes the architecture and operation of a Multi Agent system for providing end users with an intelligent interface for video conference and cooperative work services...
Francisco J. Garijo, Juan Tous, José M. Mat...
COMPSAC
1997
IEEE
14 years 2 months ago
Building Software Recovery Assertions from a Fault Injection-based Propagation Analysis
We have investigated a fault injection-based technique for undermining the ability of software components to produce undesirable outputs into the state of the system. Undesirable ...
Jeffrey M. Voas