A Semantic Approach to Person Profile Extraction from Farsi Web Documents
Subject Areas : Semantic WebHojjat Emami 1 , Hossein Shirazi 2 , ahmad abdolahzade 3
1 - Malek - Ashtar University of Technology
2 - Malek-e ashtar university of technology
3 - Amir Kabir University
Keywords: Web mining, information extraction, entity profiling, Farsi language,
Abstract :
Entity profiling (EP) as an important task of Web mining and information extraction (IE) is the process of extracting entities in question and their related information from given text resources. From computational viewpoint, the Farsi language is one of the less-studied and less-resourced languages, and suffers from the lack of high quality language processing tools. This problem emphasizes the necessity of developing Farsi text processing systems. As an element of EP research, we present a semantic approach to extract profile of person entities from Farsi Web documents. Our approach includes three major components: (i) pre-processing, (ii) semantic analysis and (iii) attribute extraction. First, our system takes as input the raw text, and annotates the text using existing pre-processing tools. In semantic analysis stage, we analyze the pre-processed text syntactically and semantically and enrich the local processed information with semantic information obtained from a distant knowledge base. We then use a semantic rule-based approach to extract the related information of the persons in question. We show the effectiveness of our approach by testing it on a small Farsi corpus. The experimental results are encouraging and show that the proposed method outperforms baseline methods.
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