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ADBIS
1998
Springer
100views Database» more  ADBIS 1998»
15 years 3 months ago
Multiple Range Query Optimization in Spatial Databases
In order to answer efficiently range queries in 2-d R-trees, first we sort queries by means of a space filling curve, then we group them together, and finally pass them for process...
Apostolos Papadopoulos, Yannis Manolopoulos
JELIA
1998
Springer
15 years 3 months ago
A Logic for Anytime Deduction and Anytime Compilation
Abstract. One of the maincharacteristics of logical reasoning in knowledge based systems is its high computational complexity. Anytime deduction and anytime compilation are two att...
Frédéric Koriche
EDBT
2010
ACM
164views Database» more  EDBT 2010»
15 years 2 months ago
Techniques for efficiently querying scientific workflow provenance graphs
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
Manish Kumar Anand, Shawn Bowers, Bertram Ludä...
PAKDD
2004
ACM
94views Data Mining» more  PAKDD 2004»
15 years 4 months ago
Towards Optimizing Conjunctive Inductive Queries
Inductive queries are queries to an inductive database that generate a set of patterns in a data mining context. Inductive querying poses new challenges to database and data mining...
Johannes Fischer, Luc De Raedt
DIS
1998
Springer
15 years 3 months ago
Uniform Characterizations of Polynomial-Query Learnabilities
We consider the exact learning in the query model. We deal with all types of queries introduced by Angluin: membership, equivalence, superset, subset, disjointness and exhaustivene...
Yosuke Hayashi, Satoshi Matsumoto, Ayumi Shinohara...