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» Query Processing and Optimization for Pictorial Query Trees
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ISMIS
2000
Springer
14 years 10 months ago
Top-Down Query Processing in First Order Deductive Databases under the DWFS
A top-down query processing method for first order deductive databases under the disjunctive well-founded semantics (DWFS) is presented. The method is based upon a characterisation...
C. A. Johnson
KDD
1997
ACM
131views Data Mining» more  KDD 1997»
14 years 11 months ago
Discovery of Actionable Patterns in Databases: The Action Hierarchy Approach
An approach to defining actionability as a measure of interestingness of patterns is proposed. This approach is based on the concept of an action hierarchy which is defined as a t...
Gediminas Adomavicius, Alexander Tuzhilin
SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
14 years 11 months ago
A Cost Model for Interval Intersection Queries on RI-Trees
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
EACL
2003
ACL Anthology
14 years 8 months ago
Finite Structure Query: A Tool for Querying Syntactically Annotated Corpora
Finite structure query (fsq for short) is a tool for querying syntactically annotated corpora. fsq employs a query language of high expressive power, namely full first order logi...
Stephan Kepser
SIGMOD
2003
ACM
172views Database» more  SIGMOD 2003»
15 years 7 months ago
Dynamic Sample Selection for Approximate Query Processing
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
Brian Babcock, Surajit Chaudhuri, Gautam Das