188 search results - page 25 / 38 » Query evaluation with soft-key constraints |
AAAI
2008
13 years 8 months ago
2008
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
DKE
2002
13 years 7 months ago
2002
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
RTSS
2006
IEEE
14 years 1 months ago
2006
IEEE
With the emergence of large wired and wireless sensor networks, many real-time applications need to operate on continuous unbounded data streams. At the same time, many of these s...