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SIGMOD
1996
ACM
14 years 2 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
DBPL
1993
Springer
14 years 2 months ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...
ASPLOS
1992
ACM
14 years 2 months ago
1992
ACM
We describe and evaluate a strategy for declustering the parity encoding in a redundant disk array. This declustered parity organization balances cost against data reliability and...
CONCUR
1992
Springer
14 years 2 months ago
1992
Springer
Petri Place/Transition (PT) nets are one of the most widely used models of concurrency. However, they still lack, in our view, a satisfactory semantics: on the one hand the "...
ICTAI
1992
IEEE
14 years 2 months ago
1992
IEEE
This paper presents a method for tuning parameters under a fixed time constraint for a general binocular stereo-vision algorithm. A major difficulty in stereo vision, as well as i...