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» On the Efficiency of Provenance Queries
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ICLP
2007
Springer
15 years 1 months ago
OnEQL: An Ontology Efficient Query Language Engine for the Semantic Web
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
Edna Ruckhaus, Maria-Esther Vidal, Eduardo Ruiz
EDBT
2002
ACM
141views Database» more  EDBT 2002»
15 years 10 months ago
Efficient OLAP Query Processing in Distributed Data Warehouses
Abstract. The success of Internet applications has led to an explosive growth in the demand for bandwidth from ISPs. Managing an IP network requires collecting and analyzing networ...
Michael O. Akinde, Michael H. Böhlen, Theodor...
VLDB
2008
ACM
206views Database» more  VLDB 2008»
15 years 10 months ago
TopX: efficient and versatile top- k query processing for semistructured data
Recent IR extensions to XML query languages
Martin Theobald, Holger Bast, Debapriyo Majumdar, ...
ADHOCNOW
2008
Springer
14 years 11 months ago
An Energy-Efficient Query Aggregation Scheme for Wireless Sensor Networks
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
Jun-Zhao Sun