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» Approximation by pseudo-linear operators
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DEXA
2010
Springer
180views Database» more  DEXA 2010»
15 years 3 months ago
Approximate Instance Retrieval on Ontologies
With the development of more expressive description logics (DLs) for the Web Ontology Language OWL the question arises how we can properly deal with the high computational complexi...
Tuvshintur Tserendorj, Stephan Grimm, Pascal Hitzl...
ICDE
2004
IEEE
148views Database» more  ICDE 2004»
16 years 3 months ago
Approximate Selection Queries over Imprecise Data
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
Iosif Lazaridis, Sharad Mehrotra
ADC
2008
Springer
141views Database» more  ADC 2008»
15 years 8 months ago
Approximate Retrieval of XML Data with ApproXPath
Several XML query languages have been proposed that use XPath expressions to locate data. But XPath expressions might miss some data because of irregularities in the data and sche...
Lin Xu, Curtis E. Dyreson
ICAC
2007
IEEE
15 years 8 months ago
Approximation Modeling for the Online Performance Management of Distributed Computing Systems
—A promising method of automating management tasks in computing systems is to formulate them as control or optimization problems in terms of performance metrics. For an online op...
Dara Kusic, Nagarajan Kandasamy, Guofei Jiang
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WADS
2007
Springer
155views Algorithms» more  WADS 2007»
15 years 8 months ago
Constant Factor Approximations for the Hotlink Assignment Problem
An approach for reducing the navigation effort for the users of a web site is to enhance its hyperlink structure with additional hotlinks. We address the task of adding at most on...
Tobias Jacobs