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» A framework for user-interfaces to databases
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VLDB
1989
ACM
104views Database» more  VLDB 1989»
15 years 10 months ago
Gral: An Extensible Relational Database System for Geometric Applications
: We describe the architecture of a relational databasesystem that is extensible by user-defined data types and operations, including relation operations. The central concept is to...
Ralf Hartmut Güting
DAGSTUHL
2003
15 years 8 months ago
Query Answering in Inconsistent Databases
In this chapter, we summarize the research on querying inconsistent databases we have been conducting over the last five years. The formal framework we have used is based on two c...
Leopoldo E. Bertossi, Jan Chomicki
DEDUCTIVE
1996
105views Database» more  DEDUCTIVE 1996»
15 years 7 months ago
Stable Semantics of Temporal Deductive Databases
We de ne a preferential semantics based on stable generated models for a very general class of temporal deductive databases. We allow two kinds of temporal information to be repre...
Heinrich Herre, Gerd Wagner
MASCOTS
1993
15 years 7 months ago
Performance Models for Perfect and Imperfect Clocks on Timestamp Ordering in Distributed Databases
This work presents a model of a distributed database system which provides the framework to study the performance of timestamp ordering concurrency control. We exhibit an analytic...
Christos Bouras, Paul G. Spirakis
SWAP
2007
15 years 7 months ago
Links and Cycles of Web Databases
This paper proposes a novel framework for composing web databases. Web databases are assumed to have explicit descriptions of I/O attributes and are considered as components of fun...
Masao Mori, Tetsuya Nakatoh, Sachio Hirokawa