415 search results - page 17 / 83 » Efficient Processing of Relational Queries with Sum Constrai... |
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
ICDCS
2009
IEEE
13 years 6 months ago
2009
IEEE
The balance between privacy and utility is a classical problem with an increasing impact on the design of modern information systems. On the one side it is crucial to ensure that ...
ICEIS
2006
IEEE
14 years 2 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...