There are various components of focused web crawlers which are as follows −Seed detector − The service of the Seed detector is to decide the seed URLs for the definite keyword by fetching the first n URLs. The seed pages are identified and assigned a priority depending on the PageRank ... Read More

A focused web crawler is a hypertext system that investigates, acquires, indexes, and supports pages on a definite set of subjects that define a relatively narrow segment of the web. It requires a very small investment in the hardware and web resources and yet manages respectable coverage at a quick ... Read More

Data Warehousing is an approach that can collect and handle data from multiple sources to give the business a meaningful business insight. A data warehouse is specifically designed to support management decisions.In simple terms, a data warehouse defines a database that is maintained independently from an organization’s operational databases. Data ... Read More

Backup and recovery define the process of backing up records in the method of a loss and setting up systems that enable that data recovery because of data loss. Backing up data needed copying and archiving computer information, so that it is applicable in case of data deletion or corruption.The ... Read More

Data Warehousing is an approach that can collect and handle data from several sources to provide the business a meaningful business insight. A data warehouse is specifically designed to support management decisions.In simple terms, a data warehouse defines a database that is maintained independently from an organization’s operational databases. Data ... Read More

Backup and recovery define the process of backing up records in the method of a loss and setting up systems that enable that data recovery because of data loss. Backing up data needed copying and archiving computer information, so that it is applicable in case of data deletion or corruption.The ... Read More

Data Warehousing is an approach that is generally used to collect and handle data from multiple sources to give the business significant business insight. A data warehouse is specifically designed to support management decisions.In simple terms, a data warehouse defines a database that is maintained independently from an organization’s operational ... Read More

Data mining is the process of finding useful new correlations, patterns, and trends by transferring through a high amount of data saved in repositories, using pattern recognition technologies including statistical and mathematical techniques.It is the analysis of factual datasets to discover unsuspected relationships and to summarize the records in novel ... Read More

There are various features of OLAP Servers which are as follows −Multidimensional conceptual view − A user view of the enterprise data is multidimensional. The conceptual view of OLAP models should be multidimensional. The multidimensional models can be manipulated more easily and intuitively than in the case of single-dimensional models.Transparency ... Read More

It is the process that manages the queries and speeds them up by directing queries to the most effective data source. This process also ensures that all the system resources are used most effectively, usually by scheduling the execution of queries. The query management process monitors the actual query profiles ... Read More