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» On Granular Knowledge Structures
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ICIP
2007
IEEE
16 years 8 months ago
Blind Audiovisual Source Separation using Sparse Representations
In this work we present a method to jointly separate active audio and visual structures on a given mixture. Blind Audiovisual Source Separation is achieved exploiting the coherenc...
Anna Llagostera Casanovas, Gianluca Monaci, Pierre...
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
16 years 8 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
ICDE
2002
IEEE
149views Database» more  ICDE 2002»
16 years 8 months ago
Indexing Spatio-Temporal Data Warehouses
Spatio-temporal databases store information about the positions of individual objects over time. In many applications however, such as traffic supervision or mobile communication ...
Dimitris Papadias, Yufei Tao, Panos Kalnis, Jun Zh...
EDBT
2009
ACM
118views Database» more  EDBT 2009»
16 years 1 months ago
Flexible query answering on graph-modeled data
The largeness and the heterogeneity of most graph-modeled datasets in several database application areas make the query process a real challenge because of the lack of a complete ...
Federica Mandreoli, Riccardo Martoglia, Giorgio Vi...
FOSSACS
2009
Springer
16 years 1 months ago
Beyond Shapes: Lists with Ordered Data
Standard analysis on recursive data structures restrict their attention to shape properties (for instance, a program that manipulates a list returns a list), excluding properties t...
Kshitij Bansal, Rémi Brochenin, Étie...