From the website:
What Is the Open Relevance Project?
The Open Relevance Project (ORP) is a new Apache Lucene sub-project aimed at making materials for doing relevance testing for Information Retrieval (IR), Machine Learning and Natural Language Processing (NLP) into open source.
Our initial focus is on creating collections, judgments, queries and tools for the Lucene ecosystem of projects (Lucene Java, Solr, Nutch, Mahout, etc.) that can be used to judge relevance in a free, repeatable manner.
One dataset that needs attention from this project is: Apache Software Foundation Public Mail Archives, which is accessible on the Amazon cloud.
Project work products would benefit Apache software users, vendors with Apache software bases, historians, sociologists and others interested in the dynamics, technical and otherwise, of software development.
I am willing to try to learn cloud computing and the skills necessary to turn this dataset into a test collection. Are you?