| http://www.w3.org/ns/prov#value | - Optical character recognition software running on a processor of the PDA can be used to extract nutritional information from the image, and place it into memory for possible later transfer to a database. [0083] Food item identities and nutritional information can also be received from food vendors, e.g. grocery stores, on-line retailers, restaurants, vending machines, diet food retailers, etc.
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