From E-Sex to E-Commerce: Web Search Strategies
http://www.personal.psu.edu/faculty/a/h/ahs4/Docs/IEEE2002.pdf

Jansen, Bernard J., Tefko Saracevic, Amanda Spink and Dietmar Wolfram
Pennsylvania State University
2002

Abstract:

The authors examine the idea that human information needs and searching behaviors are evolving along with Web content.