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» Algorithms for Rewriting Aggregate Queries Using Views
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SSDBM
2010
IEEE
117views Database» more  SSDBM 2010»
15 years 4 months ago
Finding Top-k Similar Pairs of Objects Annotated with Terms from an Ontology
With the growing focus on semantic searches and interpretations, an increasing number of standardized vocabularies and ontologies are being designed and used to describe data. We ...
Arnab Bhattacharya, Abhishek Bhowmick, Ambuj K. Si...
BTW
2007
Springer
236views Database» more  BTW 2007»
15 years 3 months ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann
84
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ICDE
2010
IEEE
288views Database» more  ICDE 2010»
15 years 11 months ago
Global Iceberg Detection over Distributed Data Streams
In today's Internet applications or sensor networks we often encounter large amounts of data spread over many physically distributed nodes. The sheer volume of the data and ba...
Ashwin Lall, Haiquan (Chuck) Zhao, Jun Xu, Mitsuno...
GIS
2007
ACM
16 years 23 days ago
A model for enriching trajectories with semantic geographical information
The collection of moving object data is becoming more and more common, and therefore there is an increasing need for the efficient analysis and knowledge extraction of these data ...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
SP
2000
IEEE
117views Security Privacy» more  SP 2000»
15 years 4 months ago
Practical Techniques for Searches on Encrypted Data
It is desirable to store data on data storage servers such as mail servers and file servers in encrypted form to reduce security and privacy risks. But this usually implies that ...
Dawn Xiaodong Song, David Wagner, Adrian Perrig