1. Guide to the Clickstream Data
Petr Berka
University of Economics, Prague

2. Web Usage Mining Domain
click-stream - a sequential series of page view (displays on user’s browser at one time) requests,
server session - a click-stream of page views for a single user for a particular web site,
user session - is the click-stream of page views for a single user across the entire web.
Clickstream Data, Discovery Challenge 2005

3. Clickstream Data, Discovery Challenge 2005
The Clickstream Data
~3Millions of records (24 days) from a www shop web server log
Contains information about time; IP address; session ID; page request; referer
There are hundreds of thousands of sessions; most of them very short, on average 16 pages
Each page request in this www shop has the same structure – page type / content ID (product ID)
Page types are for example dp (detail of product), sb (shopping basket), ct (contact)
Clickstream Data, Discovery Challenge 2005

4. Clickstream Data, Discovery Challenge 2005
Example of the Data
unix time ;IP address ; session ID ; page request; referee
; ; e8a0a4d7a4407ed9554b64ed1;/dp/?id=124 ;
; ;3995b2c0599f1782e2b b1c94;/dp/?id=182 ;
; ;2fd3213f2edaf82b27562d28a2a747aa;/ ;
; ; e8a0a4d7a4407ed9554b64ed1;/dp/?id=148 ;/dp/?id=124;
; ; e8a0a4d7a4407ed9554b64ed1;/sb/ ;/dp/?id=148;
; ;2fd3213f2edaf82b27562d28a2a747aa;/contacts/ ; /;
; ; e8a0a4d7a4407ed9554b64ed1;/sb/ ;/sb/;
Clickstream Data, Discovery Challenge 2005

5. Clickstream Data, Discovery Challenge 2005
Data Description
table “obchod” (shop) - name of the internet shop (7 entries),
table “kategorie” (category) - info about category of products (64 entries),
table “list” (sheet) - info about a specific product of a more detailed type (157 entries),
table “znacka” (brand) - name of the producer or brand of a product (197 entries),
table “tema” (theme) - info about themes discussed in the on-line advice (36 entries)
Clickstream Data, Discovery Challenge 2005

6. Clickstream Data, Discovery Challenge 2005
Data Summary (1/3)
page requests
sessions
single page
length > 1
avg. length 16
median 8
modus 2
longest 15454
Clickstream Data, Discovery Challenge 2005

7. Clickstream Data, Discovery Challenge 2005
Data Summary (2/3)
time spent during a session
avg. time 00:24:46
median 00:03:08
modus 00:00:09
longest 433:27:53
Clickstream Data, Discovery Challenge 2005

8. Clickstream Data, Discovery Challenge 2005
Data Summary (3/3)
distribution of sessions with length > 1
Clickstream Data, Discovery Challenge 2005