348 search results - page 41 / 70 » An Efficient Index Lattice for XML Query Evaluation |
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Data availability, collection and storage have increased dramatically in recent years, raising new technological and algorithmic challenges for database design and data management...
TC
2010
13 years 6 months ago
2010
—Previous multikeyword search in DHT-based P2P systems often relies on multiple single keyword search operations, suffering from unacceptable traffic cost and poor accuracy. Prec...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. A number of algorithms have been proposed to process ...