Bid Summary
Software architecture is my expertise and I teach modeling database systems at Polytechnique Montreal. I would help you to modeling a great application.
Project Requirements
There are several nice querying mechanism on which you could use. However, your description is not detailed enough.
Relevant Skills and Experience
I have worked on SE since 1990, and as software engineer, modeling several software systems.
Proposed Milestones
$77 USD - Technical report - system modeling (preliminary) and infrastructure recommendation.