Requirements

1. Support for Parallelization and horizontal scaling.
2. Interface independent of the proxy and back end.
3. Abstract the Widget (OL/GWT/Swing) functionality such that inputs and outputs are described and data types defined.
4. Workflow for Ingestion.
5. Support for arbitrary queries (combination of Analytics and structure).
6. Support for Fail over and load balancing?
7. Support for Authentication based on IP/Login password and arbitrary data tables in an extensible manner.
8. Pluggable architecture for Taggers/Chunkers like Pib's MorphAdorner, OpenNLP and GATE.
9. Support the UIMA framework for unstructured text.