Oracle Text Reference 10g
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Copyright © Oracle Corp
What's New in Oracle Text?
Security Improvements
In previous versions of Oracle Text, CTXSYS had DBA privileges. To tighten securityand protect the database in the case of unauthorized access, CTXSYS now has only
CONNECT and RESOURCE roles, and only limited, necessary direct grants on some
system views and packages. Some applications using Oracle Text may therefore
require minor changes in order to work properly with this security change.
Classification and Clustering
The following features are new for classification and clustering:- Supervised Training and Document Classification
The CTX_CLS.TRAIN
procedure has been enhanced to support an additional
classifier type called Support Vector Machine method for the supervised training
of documents. The SVM method of training can produce better rules for
classification than the query-based method.
classifier type called Support Vector Machine method for the supervised training
of documents. The SVM method of training can produce better rules for
classification than the query-based method.
- Document Clustering
The new CTX_CLS.CLUSTERING
procedure enables you to generate document
clusters. A cluster is a group of documents similar to each other in content.
clusters. A cluster is a group of documents similar to each other in content.