An attribute is a data field, defining a characteristic of a data object. The nouns attribute, dimension, feature, and variable are used correspondently in the literature. The dimension is generally used in data warehousing. Machine learning literature influence to use the term feature, while statisticians prefer the method svariable.Data mining ... Read More

There are various aspects of mining methodology which are as follows −Mining various and new kinds of knowledge − Data mining covers a broad spectrum of data analysis and knowledge discovery services, from data characterization and discrimination to relations and correlation analysis, classification, regression, clustering, outlier methods, sequence methods, and ... Read More

A web search engine is a specialized computer server that searches for data on the Web. The search results of a user query are restored as a list (known as hits). The hits can include web pages, images, and different types of files.There are various search engines also search and ... Read More

Classification is the procedure of discovering a model that defines and categorize data classes or concepts. The model are based on the search of a set of training data (i.e., data objects for which the class labels are famous). The model can predict the class label of objects for which ... Read More

One solution is for such companies to support consumers with several opt-out choices, enabling consumers to describe limitations on the use of their personal information, such asThe consumer’s personal data are not to be utilized at all for data mining.The consumer’s data can be used for data mining, but the ... Read More

Visual data mining finds implicit and beneficial knowledge from huge data sets using data and knowledge visualization methods. The human visual system is managed by the eyes and brain, the latter of which can be think of as a dynamic, largely parallel processing and reasoning engine including a huge knowledge ... Read More

There are several theories for the basis of data mining include the following −Data reduction − In this theory, the basis of data mining is to reduce the data representation. Data reduction trades certainty for speed in response to the need to obtain fast approximate answers to queries on huge ... Read More

Web usage mining is used to derive useful data, information, knowledge from the weblog data, and helps in identifying the user access designs for web pages.In Mining, the management of web resources, the individual is thinking about data of requests of visitors of a website that are composed as web ... Read More

A hub is a set of Web pages that supports sets of links to authorities. Hub pages cannot be prominent, or there can exist some links pointing to them; however, they supports links to a set of prominent sites on a general topic.Such pages can be lists of recommended connections ... Read More

Document clustering is the important techniques for organizing files in an unsupervised manner. When documents are represented as term vectors, the clustering methods can be applied. The document space is continually of large dimensionality, ranging from various hundreds to thousands.Due to the curse of dimensionality, it makes sense to first ... Read More