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SEsam, provider of software applications, has announced to provide core java technology sesam.no and sesam.se, available to the public under the AGPLv3 license. SEsam Search Application Toolkit (Sesat) has been in development since 2005 and it is now available for download.

SESAT is search middleware and a search portal framework. SESAT enables a single user query to be dispatched to multiple information sources. The result is analyzed, weighted and presented to the user ac cording to configurable business rules.

SESAT makes it easy to build applications that look for information in many different places simultaneously. SESAT can connect to almost any kind of data source that can be accessed using Java - databases, search indexes, files, back office systems, web services, ESBs.

 Source (http://www.sesambloggen.no/2008/03/sesam-search-ap.html)