It does not have to be OCR, it just takes a bit more time to fill in the prices. OCR is a distraction at this point. And not much timesaving once you got all the commodities in your database/spreadsheet.
Data sharing is something else. If someone want to get it going start with a way to enter and update data manually. Require a login. Require updating markets by giving share-credits, more credits for markets that have oldest data. Share credits are required for using the trade/search tools for the collected data.
Thrudd has already got this up and running - http://www.elitetradingtool.co.uk/
You can register and submit data manually. AFAIK getting data out is only available through the same website interface, no data feeds via webservices or anything like that for other tools to use.