110 search results - page 9 / 22 » Query evaluation using overlapping views: completeness and e... |
CORR
1999
Springer
13 years 8 months ago
1999
Springer
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a lot of common sub-expressions, either within a singl...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
FOIKS
2008
Springer
13 years 10 months ago
2008
Springer
Abstract In this paper we present a new rule-based approach for consistency preserving view updating in deductive databases. Based on rule transformations performed during schema d...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
The problem of rewriting queries using views has received significant attention because of its applications in a wide variety of datamanagement problems. For select-project-join SQ...
PVLDB
2010
13 years 3 months ago
2010
Workflows are prevalent in diverse applications, which can be scientific experiments, business processes, web services, or recipes. With the dramatically growing number of workflo...