1. A method for identifying product-related information on a web page, the method comprising: a. identifying one or more text nodes containing product-related information on a first web page; b. using one or more vectors to describe the locations of the text nodes containing potential product-related information on the first web page; c. analyzing one or more of the vectors to identify one or more patterns; and d. generating a model that discriminates between text nodes that contain product-related information and text nodes that do not contain product-related information on a second web page.