Materialized view maintenance and change tracking

Materialized views with user-defined aggregates

Mechanism for deferred rewrite of multiple XPath evaluations...

Media validation system

Merging of results in distributed information retrieval

Method and an apparatus to deliver messages between...

Method and apparatus for automatically classifying data

Method and apparatus for automatically identifying compunds

Method and apparatus for communication efficient private...

Method and apparatus for discovering and classifying...

Method and apparatus for establishing relationship between...

Method and apparatus for locating and retrieving data...

Method and apparatus for managing multimedia content

Method and apparatus for optimizing queries over vertically...

Method and apparatus for performing a depth-first join in a...

Method and apparatus for projecting the effect of...

Method and apparatus for re-evaluating execution strategy...

Method and apparatus for searching a database in two search...

Method and apparatus for searching a hierarchical database...

Method and apparatus to define the scope of a search for...