Data Mining

Download e-book for iPad: Adaptive Web Sites: A Knowledge Extraction from Web Data by J. D. Velasquez, V. Palade

By J. D. Velasquez, V. Palade

ISBN-10: 1586038311

ISBN-13: 9781586038311

This booklet may be offered in alternative ways; introducing a specific method to construct adaptive websites and; providing the most recommendations at the back of internet mining after which employing them to adaptive sites. as a result, adaptive websites is the case examine to exemplify the instruments brought within the textual content. The authors begin through introducing the net and motivating the necessity for adaptive websites. the second one bankruptcy introduces the most thoughts in the back of an internet site: its operation, its linked information and constitution, person periods, and so forth. bankruptcy 3 explains the internet mining strategy and the instruments to investigate internet facts, usually centred in computer studying. The fourth bankruptcy seems to be at how you can shop and deal with facts. bankruptcy 5 appears on the 3 major and diverse mining initiatives: content material, hyperlinks and utilization. the subsequent bankruptcy covers net personalization, an important subject if we wish to adapt our web site to express teams of individuals. bankruptcy seven indicates tips to use details extraction ideas to discover consumer habit styles. the next bankruptcy explains the way to gather and keep wisdom extracted from the former part. eventually, bankruptcy 9 includes the case research the place the entire earlier options are utilized to provide a framework to construct adaptive websites. In different phrases, the authors have handled writing a self-contained booklet for those who are looking to examine and follow personalization and edition in websites. this is often commendable contemplating the big and extending bibliography in those and comparable issues. The writing is straightforward to keep on with and even if the insurance isn't exhaustive, the most recommendations and issues are all covered.

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Additional info for Adaptive Web Sites: A Knowledge Extraction from Web Data Approach

Example text

Transformation ... web ... about Example This is an example about web page transformation process The j th web page Array of words m(i,j)= f ij Q * Log( n ) i ... 5 ... 7 ... 4 ... 3 ... 1 ... 5 ... 4 ... 4: A web page represented in the vector space model could be incorporated in the final expression of the hypertext vector representation with a different weight, to get some idea about the user text preferences [242]. 2 Web page links When a web page contains a hyperlink pointing to another web page, usually these two pages become related by content.

4 CHAPTER 3 Data Mining Data mining is the core of the KDD process and can be briefly described as the process of extracting patterns from a set of data. Data mining has been a very active field as, recently, the amount of data being produced has increased exponentially whilst the cost of storage devices, like hard disks, has decreased. Moreover, classical statistics techniques are inefficient when compared to data mining. For example, as a general characterisation, data mining algorithms are able to scale up well to large data sets, while traditional statistical algorithms execute in quadratic run-time.

DATA MINING CHAPTER 3 β, where α is the percentage of transactions in T that contain X and Y and β is the percentage of transactions in T that contain X ∪ Y . This process can be generalized with the multidimensional association, whose general form is X1 , . . , Xn ⇒ Y . Depending on the number of transactions and items, the explained process could require a considerable amount of computer resources. Then a selective criterion is required. A rule is considered interesting if satisfing a minimum α and β.

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Adaptive Web Sites: A Knowledge Extraction from Web Data Approach by J. D. Velasquez, V. Palade

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