Crowdsourcing for information retrieval

The 2nd SIGIR Workshop on Crowdsourcing for Information Retrieval (CIR 2011) was held on July 28, 2011 in Beijing, China, in conjunction with the 34th Annual ACM SIGIR Conference1. The workshop brought together researchers and practitioners to disseminate recent advances in theory, empirical methods, and novel applications of crowdsourcing for information retrieval (IR). The workshop program included three invited talks, a panel discussion entitled Beyond the Lab: State-of-the-Art and Open Challenges in Practical Crowdsourcing, and presentation of nine refereed research papers and one demonstration paper. A Best Paper Award, sponored by Microsoft Bing, was awarded to Jun Wang and Bei Yu for their paper entitled Labeling Images with Queries: A Recall-based Image Retrieval Game Approach. A Crowdsourcing Challenge contest was also announced prior to the workshop, sponsored by …