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Data Characteristics
Before presenting the analysis, we briefly describe the different ways in
which the web site is accessed, the characteristics of the data logs, and the
types of analyses we carried out.
For the web server we used in this study, a single browse request results
in exactly one HTTP request to the server. There are no images or other types
of content embedded in the page that is transmitted to the client as a result of
this request.
In the rest of the paper, we use the term notification document
to refer to a unique document that may be sent to multiple users; we refer to
each such transmission as a notification message, which includes duplicates.
Lili Qiu
2002-04-17