2957 search results - page 169 / 592 » The Complexity of Polynomial-Time Approximation |
168
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SEMWEB
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. We study the problem of evolution for Knowledge Bases (KBs) expressed in Description Logics (DLs) of the DL-Lite family. DL-Lite is at the basis of OWL 2 QL, one of the t...
218
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NC
2011
15 years 1 months ago
2011
We apply techniques from complexity theory to a model of biological cellular membranes known as membrane systems or P-systems. Like Boolean circuits, membrane systems are defined ...
194
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TSP
2011
15 years 1 months ago
2011
—This paper deals with the problem of estimating the steering direction of a signal, embedded in Gaussian disturbance, under a general quadratic inequality constraint, representi...
213
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ICASSP
2011
IEEE
14 years 9 months ago
2011
IEEE
Identification of time-varying linear systems, which introduce both time-shifts (delays) and frequency-shifts (Doppler-shifts), is a central task in many engineering applications...
131
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ICDIM
2008
IEEE
16 years 16 days ago
2008
IEEE
Latent Semantic Indexing (LSI) is an effective method to discover the underlying semantic structure of data. It has numerous applications in information retrieval and data mining....