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» Ordering the attributes of query results
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BTW
2007
Springer
136views Database» more  BTW 2007»
14 years 1 months ago
System P: Completeness-driven Query Answering in Peer Data Management Systems
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
Armin Roth, Felix Naumann
BMCBI
2008
125views more  BMCBI 2008»
13 years 7 months ago
SynteBase/SynteView: a tool to visualize gene order conservation in prokaryotic genomes
Background: It has been repeatedly observed that gene order is rapidly lost in prokaryotic genomes. However, persistent synteny blocks are found when comparing more or less distan...
Frédéric Lemoine, Bernard Labedan, O...
PODS
2000
ACM
179views Database» more  PODS 2000»
14 years 1 days ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
DC
2001
13 years 9 months ago
Metadata Interoperability and Meta-search on the Web
Several initiatives for establishing standards for metadata models are being carried out at the moment, but everyone focuses on their own requirements when defining metadata attri...
Enric Peig, Jaime Delgado, Ismael Pérez
VLDB
1990
ACM
128views Database» more  VLDB 1990»
13 years 11 months ago
Advanced Query Processing in Object Bases Using Access Support Relations
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
Alfons Kemper, Guido Moerkotte