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Learning to rank for information retrieval (LR4IR 2009)

From the experiences of running those two workshops, we have found that there is a community emerging, consisting of people from both academia and industry and including both researchers and practitioners. They have rich experiences of IRand machine learning, and are also deeply interested in the learning to rank technologies. We have, therefore, organized a workshop on the same theme again, in conjunction with SIGIR 2009. The main purpose remains to bring together IR researchers and ML researchers working on or interested in the technologies, and enable them to share their latest research results, to express their opinions on the related issues, and to discuss future directions.