1814 search results - page 251 / 363 » Watermarking relational data: framework, algorithms and anal... |
SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
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DASFAA
2010
IEEE
14 years 9 months ago
2010
IEEE
Keyword search is widely recognized as a convenient way to retrieve information from XML data. In order to precisely meet users' search concerns, we study how to effectively r...
EDBT
2000
ACM
15 years 2 months ago
2000
ACM
Warehouse view self-maintenance refers to maintaining materialized views at a data warehouse without accessing source data. Self-maintenance has been studied for nontemporal views...
PODS
2010
ACM
15 years 4 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
WWW
2007
ACM
15 years 12 months ago
2007
ACM
In this paper, we describe a system that can extract record structures from web pages with no direct human supervision. Records are commonly occurring HTML-embedded data tuples th...