*1. calculate dally,weekly,monthly equity statistics per info, per person and per tag during aging process and store it data in cache tables.
2. Provide function which can create statistics and caches from scratch based on the CeQ activity log.
3. Provide webservice API to access statistical data (more details will be provided by PRE/MAX)
4. Implement access control (need to define details)
Services API is on http://wikis.sun.com/display/ceqdoc/Statistics+Service