213 search results - page 20 / 43 » An Experimental Evaluation of Multi-Key Strategies for Data ... |
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
Retrieval queries that combine structural constraints with keyword search represent a significant challenge to XML data management systems. Queries are expected to be answered as...
VLDB
2004
ACM
14 years 28 days ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
DL
2000
Springer
13 years 12 months ago
2000
Springer
Text documents often contain valuable structured data that is hidden in regular English sentences. This data is best exploited if available as a relational table that we could use...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
A collaborative crawler is a group of crawling nodes, in which each crawling node is responsible for a specific portion of the web. We study the problem of collecting geographical...
ENTCS
2002
13 years 7 months ago
2002
Abstract. We present an extension to linear-time temporal logic (LTL) that combines the temporal specification with the collection of statistical data. By collecting statistics ove...