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» Data Models and Query Languages for Spatial Databases
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FSS
2007
136views more  FSS 2007»
15 years 6 months ago
Retrieving images in fuzzy object-relational databases using dominant color descriptors
In this paper a fuzzy approach for image retrieval on the basis of color features is presented. The proposal deals with vagueness in the color description and introduces the use o...
Jesús Chamorro-Martínez, Juan Miguel...
SSDBM
2007
IEEE
121views Database» more  SSDBM 2007»
16 years 27 days ago
Cost-based Optimization of Complex Scientific Queries
High energy physics scientists analyze large amounts of data looking for interesting events when particles collide. These analyses are easily expressed using complex queries that ...
Ruslan Fomkin, Tore Risch
TDM
2004
203views Database» more  TDM 2004»
15 years 8 months ago
Relational Algebra: Mother Tongue - XQuery: Fluent
This work may be seen as a further proof of the versatility of the relational database model. Here, we add XQuery to the catalog of languages which RDBMSs are able to "speak&...
Torsten Grust, Jens Teubner
ICDT
2012
ACM
293views Database» more  ICDT 2012»
13 years 9 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
LREC
2010
162views Education» more  LREC 2010»
15 years 8 months ago
The Ariadne System: A Flexible and Extensible Framework for the Modeling and Storage of Experimental Data in the Humanities
This paper introduces the Ariadne Corpus Management System. First, the underlying data model is presented which enables users to represent and process heterogeneous data sets with...
Peter Menke, Alexander Mehler