With the latest release of Cognos Analytics 11.1.5 we made enhancements to make exploring your data easier.
You can now make multiple concurrent request in Exploration. Each request that you submit is now managed and cached independently. We also let you know when the request is completed
We also fined tuned forecasting in visualizations and have a 20% increase in accuracy, compared to the previous algorithms. In addition to an increase in accuracy, the confidence intervals are now more reliable than in the previous release.
You can read more about here
We also added the ability to display members in the data tree. Members are organized into a data tree structure, with parent and child members.
You can find out more here