Consumers on the Web: Identification of Usage Patterns 
This article analyzes consumer behavior on the Web. The purpose is to research patterns that characterize consumer actions in this environment. The study employs Nielsen//NetRatings Internet panel data in Finland. The four-month data for 65 panelists suggest three interrelated Web usage patterns that are highlighted here. The text will outline how these conclusions were reached and present other observations.
Koiso-Kanttila, Nina. First Monday (2003). Articles>Usability>E Commerce