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» Using Queries to Improve Database Reverse Engineering
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ESWA
2008
127views more  ESWA 2008»
14 years 10 months ago
A two-level relevance feedback mechanism for image retrieval
Content-based image retrieval (CBIR) is a group of techniques that analyzes the visual features (such as color, shape, texture) of an example image or image subregion to find simi...
Pei-Cheng Cheng, Been-Chian Chien, Hao-Ren Ke, Wei...
COMSWARE
2008
IEEE
15 years 4 months ago
Community based search on power law networks
—In this paper, we have presented a novel algorithm for searching Peer-to-Peer (P2P) networks which forms power law topology. It is completely decentralized in nature and hence i...
Tathagata Das, Subrata Nandi, Niloy Ganguly
CIDR
2003
147views Algorithms» more  CIDR 2003»
14 years 11 months ago
Sorting And Indexing With Partitioned B-Trees
Partitioning within a B-tree, based on an artificial leading key column and combined with online reorganization, can be exploited during external merge sort for accurate deep read...
Goetz Graefe
VLDB
1998
ACM
101views Database» more  VLDB 1998»
15 years 2 months ago
On Optimal Node Splitting for R-trees
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
Yván J. García, Mario A. Lopez, Scot...
ESWS
2005
Springer
15 years 3 months ago
AquaLog: An Ontology-Portable Question Answering System for the Semantic Web
As semantic markup becomes ubiquitous, it will become important to be able to ask queries and obtain answers, using natural language (NL) expressions, rather than the keyword-based...
Vanessa Lopez, Michele Pasin, Enrico Motta