635 search results - page 75 / 127 » Cooperative Data Management for XML Data |
WAIM
2004
Springer
14 years 3 months ago
2004
Springer
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
DEXA
2004
Springer
14 years 3 months ago
2004
Springer
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
PVLDB
2008
13 years 9 months ago
2008
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
INEX
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. This paper explores the possibility of using a modified Expectation-Maximization algorithm to estimate parameters for a simple hierarchical generative model for XML retr...
ICDE
2005
IEEE
14 years 3 months ago
2005
IEEE
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...