Sunday, May 11, 2014

Structured database

This is an exciting vision for reordering how end-users retrieve and organize digital information. Once information is encoded in a database, it could be organized into a taxonomy or searched over by textual attribute or feature. This stands as a vast improvement over the usual search protocol: index content and query full-text documents by keyword. IE is an attempt to convert information from various text documents into database entries, which plays a key role in improving online knowledge discovery.
 The two main methods of information extraction technology are
§  Natural Language Processing

§  Wrapper Induction