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» Optimal Database Locks for Efficient Integrity Checking
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FOIKS
2008
Springer
13 years 9 months ago
Autonomous Sets - A Method for Hypergraph Decomposition with Applications in Database Theory
We present a method for decomposing a hypergraph with certain regularities into smaller hypergraphs. By applying this to the set of all canonical covers of a given set of functiona...
Henning Köhler
LISP
2008
97views more  LISP 2008»
13 years 7 months ago
Efficient and flexible access control via Jones-optimal logic program specialisation
We describe the use of a flexible meta-interpreter for performing access control checks on deductive databases. The meta-program is implemented in Prolog and takes as input a datab...
Steve Barker, Michael Leuschel, Mauricio Varea
EDBT
2008
ACM
124views Database» more  EDBT 2008»
14 years 7 months ago
Scalable XQuery type matching
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...
Jens Teubner
FOIKS
2008
Springer
13 years 9 months ago
A Transformation-Based Approach to View Updating in Stratifiable Deductive Databases
Abstract In this paper we present a new rule-based approach for consistency preserving view updating in deductive databases. Based on rule transformations performed during schema d...
Andreas Behrend, Rainer Manthey
VLDB
2004
ACM
92views Database» more  VLDB 2004»
14 years 1 months ago
Write-Optimized B-Trees
Large writes are beneficial both on individual disks and on disk arrays, e.g., RAID-5. The presented design enables large writes of internal B-tree nodes and leaves. It supports b...
Goetz Graefe