log analysis research

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Hello All,

I am doing a research for my Bachelor Final Work and I would like to ask 
you some things about log analysis.
Basically, in this work I am writing, I am trying to find a way of doing 
log analysis on a more efficient and safe basis:
- Efficient: trying to shorten the time sysadmins put (or should put) on 
log analysing, i.e.  I am trying to use some techniques from other 
fields of knowledge, e.g. artificial intelligence, for helping improve 
the process of log analysis.
- Safe: using this techniques cannot hide any security relevant events 
of create any side effect for using those techniques.

I ask you: Is someone doing something similar? If so, would you point me 
some links of describe the ideas from your projects?

Thanks in advance and best regards,
Jasho Mendinka.