344 search results - page 37 / 69 » Triggers over XML views of relational data |
SAC
2006
ACM
14 years 2 months ago
2006
ACM
This paper introduces the MTree index algorithm, a special purpose XML XPath index designed to meet the needs of the hierarchical XPath query language. With the increasing importa...
VLDB
2001
ACM
14 years 8 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 accessing...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
IS
2006
13 years 8 months ago
2006
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...
PODS
2011
ACM
12 years 11 months ago
2011
ACM
Scientific workflow systems increasingly store provenance information about the module executions used to produce a data item, as well as the parameter settings and intermediate...