31. A method implemented by a processor associated with a server device, the method comprising: identifying, by a processor associated with the server device, a web page that includes a product; identifying, by a processor associated with the server device, a price or a product identification number associated with the product; assigning, by a processor associated with the server device, a confidence score to the price or the product identification number, the confidence score relating to a probability that the price or the product identification number is associated with the product; and determining, by a processor associated with the server device, whether to associate the price or the product identification number attribute with the product based on the assigned confidence score.
31. A method implemented by a processor associated with a server device, the method comprising: identifying, by a processor associated with the server device, a web page that includes a product; identifying, by a processor associated with the server device, a price or a product identification number associated with the product; assigning, by a processor associated with the server device, a confidence score to the price or the product identification number, the confidence score relating to a probability that the price or the product identification number is associated with the product; and determining, by a processor associated with the server device, whether to associate the price or the product identification number attribute with the product based on the assigned confidence score. 33. The method of claim 31 , further comprising: creating or supplementing, by a processor associated with the server device, a business listing based on the price or the product identification number and the product when the price or the product identification number is associated with the product.