>That's a nice non-answer.  The term "network data" and "identify some
> definite patterns" doesn't say enough to answer anything specifically.  If
> you know what kind of patterns you are looking for, or if you could say what
> the data contains, you could get
> some help here.  With open source, you get back much more if you give a
> little to start with.

Thanks for the pointers. Fuzzing  was not my intension but I was
fearing that I might coalesce two different topics under one heading.

Now,to provide some clarity around this: We have around 1TB of data as
the ultimate aim but with 50GB of data to start with. The data
consists of identifying a definite pattern that arises when people are
making calls. We are a call center using IP phone. There are certain
times of the day when not only the volume but the encoded speech
patterns contains a certain overlap in their freq spectrum. So, our
aim to is cluster/extract some representative feature sets of the
decoded voice signals (or signal fingerprinting), correlate with the
network feature sets (say ratio of 3sigma after (0,1) normalization)
and check if there exists some useful information around these.

Thanks,

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