348 search results - page 35 / 70 » An Efficient Index Lattice for XML Query Evaluation |
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
DIS
2006
Springer
13 years 11 months ago
2006
Springer
The purpose of this paper is two-fold: First, we give efficient algorithms for answering itemset support queries for collections of itemsets from various representations of the fre...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
For event filtering of publish/subscribe system, significant research efforts have been dedicated to techniques based on multiple one-dimensional indexes built on attributes of sub...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...