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ICDT
2010
ACM
180views Database» more  ICDT 2010»
15 years 8 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
GCB
1997
Springer
77views Biometrics» more  GCB 1997»
15 years 3 months ago
Statistics of large scale sequence searching
Motivation: Database search programs such as FASTA, BLAST or a rigorous Smith–Waterman algorithm produce lists of database entries, which are assumed to be related to the query....
Rainer Spang, Martin Vingron
ADBIS
2010
Springer
145views Database» more  ADBIS 2010»
14 years 9 months ago
Faceoff: Surrogate vs. Natural Keys
Abstract. The natural and surrogate key architectures are two competing approaches to specifying keys in relational databases. We analyze the performance of these approaches with r...
Slavica Aleksic, Milan Celikovic, Sebastian Link, ...
ADBIS
2000
Springer
169views Database» more  ADBIS 2000»
15 years 3 months ago
Data Organization Issues for Location-Dependent Queries in Mobile Computing
We consider queries which originate from a mobile unit and whose result depends on the location of the user who initiates the query. Example of such a query is How many people are ...
Sanjay Kumar Madria, Bharat K. Bhargava, Evaggelia...
VLDB
2006
ACM
207views Database» more  VLDB 2006»
15 years 11 months ago
Modeling and querying moving objects in networks
: Moving Objects Databases have become an important research issue in recent years. For and querying moving objects, there exists a comprehensive framework of abstract data types t...
Ralf Hartmut Güting, Victor Teixeira de Almeida, ...