861 search results - page 3 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
BDA
1993
13 years 6 months ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
PODS
1997
ACM
13 years 9 months ago
1997
ACM
SIGMOD
2006
ACM
14 years 5 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
We present an annotation management system for relational databases. In this system, every piece of data in a relation is assumed to have zero or more annotations associated with ...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...