منابع مشابه
Handling uncertainty: An extension of DL-Lite with Subjective Logic
Data in real world applications is often subject to some kind of uncertainty, which can be due to incompleteness, unreliability or inconsistency. This poses a great challenge for ontology-based data access (OBDA) applications, which are expected to provide a meaningful answers to queries, even under uncertain domains. Several extensions of classical OBDA systems has been proposed to address thi...
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In this paper, we examine ensemble algorithms (Boosting Lite and Ivoting) that provide accuracy approximating a single classifier, but which require significantly fewer training examples. Such algorithms allow ensemble methods to operate on very large data sets or use very slow learning algorithms. Boosting Lite is compared with Ivoting, standard boosting, and building a single classifier. Comp...
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Bronchopulmonary Dysplasia (BPD) was first described by Northway and colleagues in 1967 as a lung injury in preterm infants resulting from oxygen and mechanical ventilation (1). A National Heart, Lung and Blood Institute (NHLBI)-sponsored workshop further defined the disease and suggested research initiatives in 1978 (2). The pathophysiology of BPD was extensively reviewed by O’Brodovich and Me...
متن کاملOn FRT{Cli ord Algebras
We study the q-Cli ord algebras Clq2(N; c ), called FRT{Cli ord algebras, introduced by Faddeev, Reshetikhin and Takhtajan. It is shown that Clq2(N; c ) acts on the q-exterior algebra (O q2 ). Moreover, explicit formulas for the embedding of Uq2(soN ) into Clq2(N; c ) and its relation to the vector and spin representations of Uq2(soN ) are given and proved. MSC 2000: 81R50, 15A66
متن کاملFine-Grained Micro-Tasks for MapReduce Skew-Handling
Recent work on MapReduce has considered the problems of skew, where a job’s tasks exhibit large variance in size and processing cost, and stragglers, tasks that run slowly due to conditions on particular nodes. In this paper, we discuss an extremely simple approach to mitigating skew and stragglers: break the workload into many small tasks that are dynamically scheduled at runtime. This approac...
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ژورنال
عنوان ژورنال: rus & avhengighet
سال: 2005
ISSN: 0809-2834
DOI: 10.18261/issn0809-2834-2005-04-02