Sciweavers

Share
warning: Creating default object from empty value in /var/www/modules/taxonomy/taxonomy.module on line 1416.
SAC
2002
ACM
11 years 9 months ago
Temporal query operators in XML databases
We have in a previous paper introduced the new query operators that are needed in order to support an XML query language that supports temporal operations. The query operators mak...
Kjetil Nørvåg
SIGMOD
2000
ACM
173views Database» more  SIGMOD 2000»
11 years 9 months ago
javax.XXL: A prototype for a Library of Query processing Algorithms
In this paper we describe XXL (eXtensible and fleXible Library), a toolkit for rapid prototyping query processing algorithms. XXL is a flexible, high-level, platform independent J...
Jochen Van den Bercken, Jens-Peter Dittrich, Bernh...
BNCOD
2001
101views Database» more  BNCOD 2001»
11 years 11 months ago
Limiting Result Cardinalities for Multidatabase Queries Using Histograms
Abstract. Integrating, cleaning and analyzing data from heterogeneous sources is often complicated by the large amounts of data and its physical distribution which can result in po...
Kai-Uwe Sattler, Oliver Dunemann, Ingolf Geist, Gu...
VLDB
1995
ACM
150views Database» more  VLDB 1995»
12 years 1 months ago
Procedures in Object-Oriented Query Languages
We follow the stack-baaed approach to query languages which is a new formal and intellectual paradigm for integrating querying and programming for object-oriented databases. Queri...
Kazimierz Subieta, Yahiko Kambayashi, Jacek Leszcz...
SIGMOD
2000
ACM
121views Database» more  SIGMOD 2000»
12 years 2 months ago
MOCHA: A Self-Extensible Database Middleware System for Distributed Data Sources
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
Manuel Rodriguez-Martinez, Nick Roussopoulos
ITCC
2003
IEEE
12 years 2 months ago
The Effects of Search Engines and Query Operators on Top Ranked Results
We examine whether the use of query operators changes the documents retrieved by three popular Web search engines. One hundred queries containing query operators were selected fro...
Bernard J. Jansen, Caroline M. Eastman
GEOS
2007
Springer
12 years 3 months ago
Supporting Complex Thematic, Spatial and Temporal Queries over Semantic Web Data
Spatial and temporal data are critical components in many applications. This is especially true in analytical domains such as national security and criminal investigation. Often, t...
Matthew Perry, Amit P. Sheth, Farshad Hakimpour, P...
ICDE
2009
IEEE
164views Database» more  ICDE 2009»
12 years 11 months ago
Efficient and Robust Database Support for Data-Intensive Applications in Dynamic Environments
Requirements from new types of applications call for new database system solutions. Computational science applications performing distributed computations on Grid networks with req...
Jon Olav Hauglid, Kjetil Nørvåg, Norv...
books