Special Interest Group on Information Retrieval, a Special Interest Group (SIG) of the Association for Computing Machinery (ACM) concerned about information retrieval
SIGIR also sponsors the annual Joint Conference on Digital Libraries (JCDL) in association with SIGWEB, the Conference on Information and Knowledge Management, and the International Conference on Web Search and Data Mining (WSDM) in association with SIGKDD, SIGMOD, and SIGWEB.