D. Martin, T. Rodden, M. Rouncefield, I. Sommerville, and S. Viller. Proceedings of the Seventh European Conference on Computer-Supported Cooperative Work, page 39-58. (2001)Problem: How to classify / organise / present the growing number of experimental results in CSCW research? Idea: description patterns of cooperative interaction to ease communication about the results (Remark: similar to Thinklets?) Compare research foudings within same patterns. Method: - Analysis of research studies of ten years - identifiy descriptive patterns: - Cooperative Arrangement: actors, resources, patterns of interaction - Representation of Activity: How activity is represented e.g. in technology or as a plan - Ecological Arrangement: pictorial representations of the pattern - Coordination techniques: ? - Population of Use:.