Date Added: Apr 2011
In today's world, data is important and confidential on World Wide Web. Many organizations have become important sources of data. Use and exchange of data and extracting information from data and use of information have become important need. The data is not only integrated from the various sources but extracting information from these data pattern and tread is also important as the database. These data sources can be managed by the database management system or by data warehouse. As increasing information is going to be difficult to properly inform the way it is, to fix this problem the authors need to read semantic web.