Simultaneous Product Attribute Name and Value Extraction with Adaptively Learnt Templates

If we present the products as the attribute name and value pairs, it will improve the effectiveness of many applications. In this paper, we propose an adaptive template based method to simultaneously extract the product attribute name and value pair from Web pages. The titles of Web pages are used to assist the unsupervised template construction. And the template ranking strategy ensures the correct templates of every Web page are selected. Our approach contains four key steps: 1) construct domain attribute word bag by the titles of Web pages. 2) segment text nodes based on some default delimiters. 3) collect candidate attribute and value pairs 4) learn high-quality templates by a template ranking algorithm. The experimental corpus is collected from two domains: digital camera and mobile phone. Experiments show the precision of 94.68% and recall of 90.57% can be got by our method.