In the meantime SAP InfiniteInsight (formerly KXEN) is available to purchase, find more information about this product from here.
Moving forward SAP Predictive Analysis will integrate SAP InfiniteInsight capabilities step-by-step. SAP InfiniteInsight contains Explorer, Modeler, Scorer, Factory, Social and Recommendation. The latest product roadmap provides additional details about the way forward and was released on 09 December 2013. You can access the roadmap through this link.
So with each of the upcoming SPs of SAP Predictive Analysis more of the SAP InfiniteInsight functionality will be made available. Regarding licensing there will be more information available soon.
For better understanding about SAP PA & SAP IIS, please visit the below update by Henry Banks
Extending Predictive Insight Across the Enterprise with SAP and KXEN
Regards,
Arvind E