A SURVEY ON DATA EXTRACTION IN WEB BASED ENVIRONMENT

Abstract: Web is a great source of information today. A lot of information is available over the internet and a lot of information is added and updated to it everyday hence web data extraction systems are necessary to use. These systems are used to find useful, hidden or related information according to user need hence also improves the efficiency of search engines. Web data extraction mainly deals with unstructured or semi-structured form of data which is main feature of web pages. In this paper we will discuss various techniques, application areas, current research areas in web data extraction