Identifying Web search session patterns using cluster analysis: A comparison of three search environments.

Dietmar Wolfram Peiling Wang Jin Zhang Identifying Web search session patterns using cluster analysis: A comparison of three search environments. 896-910 2009 60 JASIST 5 http://dx.doi.org/10.1002/asi.21034 db/journals/jasis/jasis60.html#WolframWZ09