A Probabilistic Model for Classification of Multiple-Record Web Documents

OOIS 2000 ◽  
2001 ◽  
pp. 349-357
Author(s):  
June Tang ◽  
Yiu-Kai Ng
1985 ◽  
Vol 10 (1) ◽  
pp. 55-73 ◽  
Author(s):  
Kikumi K. Tatsuoka

This paper introduces a probabilistic approach to the classification and diagnosis of erroneous rules of operations that result from misconceptions (“bugs”) in a procedural domain of arithmetic. The model is different from the usual deterministic strategies common in the field of artificial intelligence because variability of response errors is explicitly treated through item response theory. As a concrete example, we analyze a dataset that reflects the use of erroneous rules of operation in problems of signed-number subtraction. The same approach, however, is applicable to the classification of several different groups of response patterns caused by a variety of different underlying misconceptions, different backgrounds of knowledge, or treatment.


Author(s):  
Sergej Sizov ◽  
Stefan Siersdorfer

This chapter addresses the problem of automatically organizing heterogeneous collections of Web documents for the generation of thematically-focused expert search engines and portals. As a possible application scenario for our techniques, we consider a focused Web crawler that aims to populate topics of interest by automatically categorizing newly-fetched documents. A higher accuracy of the underlying supervised (classification) and unsupervised (clustering) methods is achieved by leaving out uncertain documents rather than assigning them to inappropriate topics or clusters with low confidence. We introduce a formal probabilistic model for ensemble-based meta methods and explain how it can be used for constructing estimators and for quality-oriented tuning. Furthermore, we provide a comprehensive experimental study of the proposed meta methodology and realistic use-case examples.


Author(s):  
Adam Schenker ◽  
Horst Bunke ◽  
Mark Last ◽  
Abraham Kandel

2016 ◽  
Vol 55 (1) ◽  
pp. 33-43 ◽  
Author(s):  
Ping Tan ◽  
Guan-zheng Tan ◽  
Zi-xing Cai ◽  
Wei-ping Sa ◽  
Yi-qun Zou
Keyword(s):  

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