April 2016
Intermediate to advanced
604 pages
25h 38m
English
book
Analyzing and Securing Social Networks
by Bhavani Thuraisingham, Satyen Abrol, Raymond Heatherly, Murat Kantarcioglu, Vaibhav Khadilkar, Latifur Khan
Content preview from Analyzing and Securing Social Networks
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290 Analyzing and Securing Social Networks
users may not be happy with the ordering of results. In other words, the ordering of results needs
to be made more adaptive to individual users. For this, we need a mining technique to nd the best
rule ordering based on users’ feedback.
23.3.2 data Mining apprOaches Based On user prOfiLes tO Just-in-tiMe retrievaL
A user prole is a user’s history of navigation within a period of time. User sessions will be extracted
from the logs of the web servers that contain sequences of URIs users have visited, together with the
types of relations involved in expansion. A user session is typically represented using an n-gram.
In the context of a user session, an n-gram is composed of a tuple of the form <X
1
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