ABSTRACT We developed a user interface that organizes Web search results into hierarchical categories. Text classification algorithms were used to automatically classify arbitrary search results into an existing category structure on-thefly. A user study compared our new category interface

Abstract – This paper describes a text categorization approach that is based on a combination of a newly designed text representation with a kNN classifier. The new text document representation explored here is based an unsupervised learning mechanism – a hierarchical structure of Self

the capacity of a given symbolic code to delete a different code from the individual brain upon whom power is exercised. Symbolic communication between humans, and the relationship between humans and nature through production/consumption, experience, and power, cr ystallize over histor y in speci c territories

by progressively filtering information that flows from sources to the end user, so that only relevant articles are retained. Once extracted, newspaper articles are classified according to a hierarchical text categorization approach. Moreover, an optional feedback provided by the user is exploited to improve

relationships and characteristics of it. We also insert the neural model in the hierarchical form of two level classification strategies. Besides these classification facilities, our system also provides a powerful rule layer enhancing a flexible language to specify Filtering Rules (FRs), through which users

is built inductively by identifying patterns of word configurations through observation of large text corpora. The model and the acquisition techniques are based a class of models of word use I call associative models. The premise for these models is that the use of a word in a particular context

2010 to my wife, Joyce, and my family...- Résumé-

Prüfungsbehörde vorgelegen. Darmstadt, den 17. Mai 2011 (Marcel Lucas) The popularity of Networked Virtual Environments (NVE) increased remarkably in recent years where a plethora of players participate concurrently. Traditional approaches applying the Client/Server pattern swiftly reach their limit in terms

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