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» Representing and Querying Data Transformations
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SISAP
2008
IEEE
147views Data Mining» more  SISAP 2008»
15 years 7 months ago
An Empirical Evaluation of a Distributed Clustering-Based Index for Metric Space Databases
Similarity search has been proved suitable for searching in very large collections of unstructured data objects. We are interested in efficient parallel query processing under si...
Veronica Gil Costa, Mauricio Marín, Nora Re...
CISIS
2008
IEEE
15 years 8 months ago
Processing Ontology Alignments with SPARQL
Solving problems raised by heterogeneous ontologies can be achieved by matching the ontologies and processing the resulting alignments. This is typical of data mediation in which ...
Jérôme Euzenat, Axel Polleres, Fran&c...
ESA
2010
Springer
183views Algorithms» more  ESA 2010»
15 years 2 months ago
Spatio-temporal Range Searching over Compressed Kinetic Sensor Data
As sensor networks increase in size and number, efficient techniques are required to process the very large data sets that they generate. Frequently, sensor networks monitor object...
Sorelle A. Friedler, David M. Mount
ICDE
2007
IEEE
104views Database» more  ICDE 2007»
16 years 2 months ago
Indexing Uncertain Categorical Data
Uncertainty in categorical data is commonplace in many applications, including data cleaning, database integration, and biological annotation. In such domains, the correct value o...
Sarvjeet Singh, Chris Mayfield, Sunil Prabhakar, R...
DEXAW
2005
IEEE
176views Database» more  DEXAW 2005»
15 years 3 months ago
Indexes and Path Constraints in Semistructured Data
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
Yves Andre, Anne-Cécile Caron, Denis Debarb...