267 search results - page 39 / 54 » Constraint-Based XML Query Rewriting For Data Integration |
DBPL
1999
Springer
15 years 1 months ago
1999
Springer
Applications have an increasing need to manage semistructured data such as data encoded in XML along with conventional structured data. We extend the structured object database ...
DOLAP
2003
ACM
15 years 2 months ago
2003
ACM
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
SEMWEB
2005
Springer
15 years 3 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
167
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VLDB
2001
ACM
15 years 10 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
206
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...