3241 search results - page 310 / 649 » Searching for Hidden-Web Databases |
136
click to vote
ALGORITHMICA
2004
15 years 4 months ago
2004
Query answers from on-line databases can easily be corrupted by hackers or malicious database publishers. Thus it is important to provide mechanisms which allow clients to trust th...
246
click to vote
ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...
123
click to vote
WWW
2007
ACM
16 years 5 months ago
2007
ACM
We describe an adaptive method for extracting records from web pages. Our algorithm combines a weighted tree matching metric with clustering for obtaining data extraction patterns...
232
click to vote
SIGMOD
2009
ACM
16 years 5 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...
154
click to vote
DEXAW
2009
IEEE
15 years 11 months ago
2009
IEEE
—This paper compares and illustrates the use of manually and automatically assigned descriptors on German documents extracted from the GIRT Corpus. A second objective is to analy...