Sciweavers

2228 search results - page 349 / 446
» A System for Semantic Query Optimization
Sort
View
WWW
2006
ACM
14 years 8 months ago
Generating summaries for large collections of geo-referenced photographs
We describe a framework for automatically selecting a summary set of photographs from a large collection of geo-referenced photos. The summary algorithm is based on spatial patter...
Alexander Jaffe, Mor Naaman, Tamir Tassa, Marc Dav...
MIR
2006
ACM
178views Multimedia» more  MIR 2006»
14 years 2 months ago
Dual diffusion model of spreading activation for content-based image retrieval
This paper introduces a content-based information retrieval method inspired by the ideas of spreading activation models. In response to a given query, the proposed approach comput...
Serhiy Kosinov, Stéphane Marchand-Maillet, ...
VLDB
2004
ACM
103views Database» more  VLDB 2004»
14 years 1 months ago
Distributed Set Expression Cardinality Estimation
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
Abhinandan Das, Sumit Ganguly, Minos N. Garofalaki...
SAC
2003
ACM
14 years 1 months ago
WebSOGO: A Global Ontology for Describing Web Sources
Based on the limitations raised by existing approaches in the context of the Semantic Web, we propose a formalism, Web Sources Global Ontology (WebSOGO), a data meta-model for the...
Edna Ruckhaus, Maria-Esther Vidal
CBMS
2002
IEEE
14 years 1 months ago
Content-Based and Metadata Retrieval in Medical Image Database
The need for systems that can stock, represent, and provide efficient retrieval facilities of images of particular interest is becoming very high in medicine. In this respect, a l...
Solomon Atnafu, Richard Chbeir, Lionel Brunie