2853 search results - page 281 / 571 » On the Efficiency of Provenance Queries |
178
click to vote
EDBT
2004
ACM
16 years 6 months ago
2004
ACM
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
173
Voted
OTM
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Ontologies have become very popular in life sciences and other domains. They mostly undergo continuous changes and new ontology versions are frequently released. However,...
174
click to vote
MUE
2008
IEEE
16 years 1 months ago
2008
IEEE
In this paper we propose Rank-Based Broadcast (RBB) algorithm using High Order Markov Chain (HOMC) with weight values in mobile p2p ad-hoc networks (MOPNET) for ubiquitous. RBB us...
166
click to vote
VLDB
2004
ACM
16 years 1 days ago
2004
ACM
Focused web crawlers have recently emerged as an alternative to the well-established web search engines. While the well-known focused crawlers retrieve relevant webpages, there ar...
238
click to vote
STOC
1998
ACM
15 years 11 months ago
1998
ACM
We address the problem of designing data structures that allow efficient search for approximate nearest neighbors. More specifically, given a database consisting of a set of vecto...