ACM Transactions on Information Systems (TOIS) is a scholarly journal that publishes previously unpublished high-quality scholarly articles in all areas of information retrieval. TOIS is published quarterly.ACM Transactions on Information Systems (TOIS) publishes only the highest quality papers about the design and evaluation of computer software that helps people find, organize, analyze, and use information in a variety of media. No single metric indicates how well the journal meets this goal, so we provide a set of metrics.