The document discusses the development of an evaluation framework for open web data applications. It begins with an overview of the growth and diversity of data on the web. It then outlines the process used to develop the framework, which involved inviting experts to contribute evaluation criteria, sorting and rating the criteria, and analyzing the results. Group concept mapping was used to help establish clusters of criteria and identify priorities. The document concludes with examples of the concept mapping outputs, which help visualize the collective view that emerged from the expert contributions and analysis.