Web Mining

QUESTION 1: Major Areas of Web Mining

Web mining is generally defined as the analysis and discovery of helpful information from the internet or what we know as World Wide Web. Web mining may be classified into three major areas, according to the various means to obtain information; web structure mining, we content mining and web usage mining. These three classifications of web mining are not independent for the reason that web content mining is intimately related to web structure mining and they both are collectively related to web usage mining (Cooley, R, et.al, 1997).

Web structure mining is a means to recognize the association between the web pages allied to the information or direct connection of link. Such a structured data is obtainable by the stipulation of web structure representation by employing database procedures for web pages. This linkage enables a search engine to draw information regarding the search inquiry straight away to the web page linking from the web site on which the content is available. This whole process comes to pass by means of employing spiders inspecting from the web sites, salvaging the home page and then allying the data via references to yield the particular web page on which the required information rests.

Web content mining which is also referred to as text mining is the scrutiny and withdrawal of pictures, text and diagrams on a web page for determining the significance of the matter to the search inquiry. This scrutiny is accomplished after the collection of web pages by means of web structure mining and supplies the outcomes on the basis of the extent of significance to the recommended inquiry. By the help of the immense data which is obtainable from the internet, web content mining supplies the lists of results to the search engines according to the highest order of significance to the key words in the inquiry.

Web usage mining on the other hand, is a technique to help collect the useful data from the person who visits the web site. It provides a means to attain, shape and examine the behavioral profiles and patterns of the people by the user exchanges from a single or more web servers. Web servers document the information regarding the user interactions at any time the requests are received for particular resources. By examining, these behavioral patterns may be obtained and the patterns are generally symbolized as clusters of web pages which are most often visited by the users having mutual interests or needs.

QUESTION 2: Data Warehouse vs. Database

Difference between a Data Warehouse and a Database

The database of a computer is a well thought out compilation of data or documents which are stored inside a work station. The configuration is acquired by arranging the information as per the database model. A data warehouse is a depository of the electronically stocked data of an organization. A data warehouse is purposed to smoothen the process of analysis and reporting. Nevertheless, the way to analyze and recover information, to draw out, alter and ...