Data Validation Research Project

Please read before responding or your bid will be ignored. We are in the R&D phase of development for our restaurant listing site. We wish to find out how popular sites below validate/authenticate user contributed data: [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] We want to figure out the best practices from the above sites to validate restaurant data. We need all actors and processes identified, what they entail and the technology used. Textual Data: Restaurant name Address Phone number geographical coordinates Open hours Offers delivery? Owner Picture data: Menu Coupons Restaurant Pictures Food Pictures We are more concerned with a service provider's methods to complete this research project and how our needs will be met. Please describe this to us along with past work that follows a similar process which can be used to complete this assignment.