fyi: Supporting the Visualization and Analysis of Network Events

["' =JeffH '" <Jeff.Hodges () KingsMountain com>]

of possible interest...


=JeffH

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Date: Wed, 09 Jan 2008 16:41:56 -0800
To: pcd-seminar () lists stanford edu, colloq () cs stanford edu
From: Terry Winograd <winograd () cs stanford edu>
Subject: PCD 1/11/08 - Doantam Phan, Stanford HCI, Supporting the
        Visualization and Analysis of Network Events
Mime-Version: 1.0
Cc: drussell () google com

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Stanford Seminar on People, Computers, and Design (CS547)
                see http://hci.stanford.edu/seminar for the quarter's schedule
Gates B01 (NEC Classroom) and SITN, 12:30-2:00pm PDT (UTC 19:30)
Video: http://scpd.stanford.edu/scpd/students/courseList.asp CS547
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Friday, January 11, 2008

Doantam Phan, Stanford HCI
      http://graphics.stanford.edu/~dphan/

Supporting the Visualization and Analysis of Network Events

The flow of traffic among computers on the Internet and the exchange 
of goods between countries are examples of causally connected 
measurable events in a network. Understanding the behavior of such 
networks often requires the ability to discover temporal connections 
among the events in a large data set. One challenge is that the 
volume of data makes it difficult to explore the data and organize 
the events into a narrative sequence. This dissertation contributes 
new interactive visualization techniques for analyzing, organizing, 
and presenting network event data at multiple levels of detail for 
the purpose of forensic analysis - tracking down causal sequences of 
importance.

The first contribution is a technique that supports event analysis, 
called progressive multiples. Our techniques are instantiated in a 
system for network incident investigation, Isis, which we validated 
with a long-term collaboration and deployment with the principal 
network analyst of the EE and CS departments. The second contribution 
is a technique for automatically generating flow maps, which present 
summaries of network topology and behavior at a higher level than 
event plots and timelines. Our technique has been adopted by a 
diverse group of users to depict the flow of computer networks, 
documents, and international ecological trade.

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Doantam Phan has recently completed his Ph.D. in Computer Science at 
Stanford University. He studies Human-Computer Interaction, and was 
advised by Terry Winograd.

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NEXT WEEK: January 18, 2008 -Dan Russell , Google
     How good Google searchers get to be that way
       http://hci.stanford.edu/seminar/abstracts/07-08/080118-russell.html

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