An Efficient Data Extraction From The Hidden Web Databases

The vast amount of information on the web is stored in backend databases called Hidden Web Databases. The hidden web databases hold the high quality information and have a wide coverage. Nowadays web databases are present everywhere. The data from these web databases cannot be accessed by Search engines and web crawlers directly. Through the query interfaces and filling up number of HTML forms for a specific domain, the hidden databases could be accessed. So many researches have been carried out in this area and it has a highest importance for the recovery and integration of data in the hidden web with a view to provide quality of information to the user. In this paper, an approach is proposed to identify the web page templates and the tag structures to extract the data from hidden web sources as the outcome of a user query.