Sciweavers

666 search results - page 93 / 134
» A Practical Approach to Access Heterogeneous and Distributed...
Sort
View
CVPR
2007
IEEE
14 years 3 months ago
Fisher Kernels on Visual Vocabularies for Image Categorization
Within the field of pattern classification, the Fisher kernel is a powerful framework which combines the strengths of generative and discriminative approaches. The idea is to ch...
Florent Perronnin, Christopher R. Dance
CIKM
2003
Springer
14 years 2 months ago
The power-method: a comprehensive estimation technique for multi-dimensional queries
Existing estimation approaches for multi-dimensional databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Mo...
Yufei Tao, Christos Faloutsos, Dimitris Papadias
ICDE
2006
IEEE
193views Database» more  ICDE 2006»
14 years 10 months ago
Probabilistic Message Passing in Peer Data Management Systems
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...
Philippe Cudré-Mauroux, Karl Aberer, Andras...
PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 9 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
GEOS
2007
Springer
14 years 3 months ago
Spatio-temporal Conceptual Schema Development for Wide-Area Sensor Networks
Abstract. A Wide-Area Sensor Network (WASN) is a collection of heterogeneous sensor networks and data repositories spread over a wide geographic area. The diversity of sensor types...
Mallikarjun Shankar, Alexandre Sorokine, Budhendra...