Product recommendation using sentiment and semantic analysis

Abstract

In an approach to determine a product rating a computer receives a user request for a product rating. The computer retrieves from on-line sources, product information on the product and analyzes the product information to determine a first product rating. The analysis includes at least a sentiment, and a trend of the sentiment. The approach includes a computer identifying products similar to the product and retrieving from on-line sources product information on similar products. A computer extracts comments on the product from the similar product information and determines an adjustment to the first product rating based on an analysis of the comments and references to the product in the similar product information. The adjustment to the first product rating includes using a sentiment, a trend of the sentiment over time, and a frequency of comments and references to the product over time in the retrieved plurality of similar product information.

1 .- 20 . (canceled) 
     
     
         21 . A method comprising:
 retrieving, by one or more computers, from a plurality of on-line sources, a plurality of product information for one or more products similar to a product;   extracting, by one or more computers, a plurality of comments and references to the product from the retrieved plurality of product information;   determining, by one or more computers, a rating adjustment for the product based, at least in part, on a sentiment analysis of the plurality of comments and references; and   applying, by one or more computers, the rating adjustment to an initial rating of the product.   
     
     
         22 . The method of claim  1 , wherein the plurality of on-line sources include one or more social networking sites. 
     
     
         23 . The method of claim  1 , wherein the plurality of product information for the one or more products similar to the product includes at least one or more product reviews of the one or more similar products. 
     
     
         24 . The method of claim  1 , wherein the one or more products similar to the product are determined based, at least in part, on a comparison of information on the one or more products to information on the product, the information including at least a product classification. 
     
     
         25 . The method of claim  1 , wherein the rating adjustment to the initial rating is one of an increase, a decrease, or no change. 
     
     
         26 . The method of claim  1 , wherein the sentiment analysis includes at least a sentiment determined for the product, a trend of a sentiment over time, and a frequency of the plurality of comments and references to the product over time. 
     
     
         27 . The method of claim  1 , wherein the initial product rating is determined based on a sentiment analysis of a plurality of product information available for the product. 
     
     
         28 . A computer program product comprising:
 one or more computer readable storage media and program instructions stored on the one or more computer readable storage media, the program instructions executable by a processor, the program instructions comprising:   program instructions to retrieve from a plurality of on-line sources, a plurality of product information for one or more products similar to a product;   program instructions to extract a plurality of comments and references to the product from the retrieved plurality of product information;   program instructions to determine a rating adjustment for the product based, at least in part, on a sentiment analysis of the plurality of comments and references; and   program instructions to apply the rating adjustment to an initial rating of the product.   
     
     
         29 . The computer program product of  claim 28 , wherein the plurality of on-line sources include one or more social networking sites. 
     
     
         30 . The computer program product of  claim 28 , wherein the plurality of product information for the one or more products similar to the product includes at least one or more product reviews of the one or more similar products. 
     
     
         31 . The computer program product of  claim 28 , wherein the one or more products similar to the product are determined based, at least in part, on a comparison of information on the one or more products to information on the product, the information including at least a product classification. 
     
     
         32 . The computer program product of  claim 28 , wherein the rating adjustment to the initial rating is one of an increase, a decrease, or no change. 
     
     
         33 . The computer program product of  claim 28 , wherein the sentiment analysis includes at least a sentiment determined for the product, a trend of a sentiment over time, and a frequency of the plurality of comments and references to the product over time. 
     
     
         34 . The computer program product of  claim 28 , wherein the initial product rating is determined based on a sentiment analysis of a plurality of product information available for the product. 
     
     
         35 . A computer system comprising:
 one or more computer processors;   one or more computer readable storage media;   program instructions stored on the one or more computer readable storage media for execution by at least one of the one or more processors, the program instructions comprising:
 program instructions to retrieve from a plurality of on-line sources, a plurality of product information for one or more products similar to a product; 
 program instructions to extract a plurality of comments and references to the product from the retrieved plurality of product information; 
 program instructions to determine a rating adjustment for the product based, at least in part, on a sentiment analysis of the plurality of comments and references; and 
 program instructions to apply the rating adjustment to an initial rating of the product. 
   
     
     
         36 . The computer system of  claim 35 , wherein the plurality of on-line sources include one or more social networking sites. 
     
     
         37 . The computer system of  claim 35 , wherein the plurality of product information for the one or more products similar to the product includes at least one or more product reviews of the one or more similar products. 
     
     
         38 . The computer system of  claim 35 , wherein the one or more products similar to the product are determined based, at least in part, on a comparison of information on the one or more products to information on the product, the information including at least a product classification. 
     
     
         39 . The computer system of  claim 35 , wherein the rating adjustment to the initial rating is one of an increase, a decrease, or no change. 
     
     
         40 . The computer system of  claim 35 , wherein the sentiment analysis includes at least a sentiment determined for the product, a trend of a sentiment over time, and a frequency of the plurality of comments and references to the product over time.