241 search results - page 33 / 49 » Buffering in query evaluation over XML streams |
PVLDB
2010
13 years 7 months ago
2010
Users who are unfamiliar with database query languages can search XML data sets using keyword queries. Previous work has shown that current XML keyword search methods, although in...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract-- We consider the Top-k Approximate Subtree Matching (TASM) problem: finding the k best matches of a small query tree, e.g., a DBLP article with 15 nodes, in a large docum...
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
This paper describes a rate control algorithm for a streaming video system that dynamically transcodes stored JPEG 2000 frames. The proposed algorithm is designed to improve overa...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...