Sciweavers

2043 search results - page 271 / 409
» The Limits of Querying Ontologies
Sort
View
SPIESR
1997
143views Database» more  SPIESR 1997»
13 years 11 months ago
Similarity Evaluation in Image Retrieval Using Simple Features
The development of increasingly complex multimedia applications calls for new methodologies for the organization and retrieval of still images and video sequences. Query and retri...
Eugenio Di Sciascio, Augusto Celentano
JAIR
2008
92views more  JAIR 2008»
13 years 10 months ago
On the Expressiveness of Levesque's Normal Form
Levesque proposed a generalization of a database called a proper knowledge base (KB), which is equivalent to a possibly infinite consistent set of ground literals. In contrast to ...
Yongmei Liu, Gerhard Lakemeyer
JGTOOLS
2008
100views more  JGTOOLS 2008»
13 years 10 months ago
Proximity Cluster Trees
Hierarchical spatial data structures provide a means for organizing data for efficient processing. Most spatial data structures are optimized for performing queries, such as inters...
Elena Jakubiak Hutchinson, Sarah F. Frisken, Ronal...
TODS
2002
92views more  TODS 2002»
13 years 10 months ago
Searching in metric spaces with user-defined and approximate distances
Metric access methods (MAMs), such as the M-tree, are powerful index structures for supporting ty queries on metric spaces, which represent a common abstraction for those searchin...
Paolo Ciaccia, Marco Patella
PE
2007
Springer
118views Optimization» more  PE 2007»
13 years 10 months ago
Analysis and simulation of a content delivery application for vehicular wireless networks
We propose and analyze an information-sharing application for wireless intervehicular networks, called Infoshare. Infoshare leverages the broadcast nature of the wireless medium t...
Marco Fiore, Claudio Casetti, Carla-Fabiana Chiass...