In our case, we have combined meta-data processing and full text
retrieval within the application-oriented DBMS
(http://www.rd.nacsis.ac.jp/~andres/db/phasme.html)
which is compliant with several applications' logical data models
(relational, object, graph).
free licence is available at the website.
TREC 5 and 6 data sets have been used to assess the approach.
Best Regards,
Frederic Andres
AHYDS project leader.
NACSIS
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