"A sandbox for collecting search examples, patterns, and anti-patterns. [...] Over time, I hope to add patterns that illustrate user behavior and the information architecture of search."
User Interface Design Pattern Library. UI patterns for web designers. See examples and read rationale, solutions, and implementations for each pattern.
Welie.com. A pattern library with over 125 patterns for Interaction Design. All patterns are illustrated with examples and links to literature and occasionally code.
E. Law, V. Roto, M. Hassenzahl, A. Vermeeren, and J. Kort. Proceedings of the 27th international conference on Human factors in computing systems, page 719--728. New York, NY, USA, ACM, (2009)