September 2001
Intermediate to advanced
182 pages
4h 16m
English
Content preview from Mining Your Own Business in Telecoms Using DB2 Intelligent Miner for Data
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Chapter 7. Can you determine the characteristics of known and unknown fraudulent behavior? 135
The connection view will be calculated and derived automatically from the CDRs.
It contains the weekly update for every connection. The fields of the view
connections are described in Table 7-2.
Table 7-2 Fields used for fraud detection
Plus, two additional fields are derived directly from the CDR.
7.4 Evaluating the data
Having created and populated our data models, the fourth stage in our data
mining method
is to perform an initial evaluation of the data itself.
Normally CDRs are generated automatically and do not contain missing values.
It is usef ...
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