639 search results - page 80 / 128 » Efficiency Based Feedback Reduction |
142
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KDD
2001
ACM
16 years 4 months ago
2001
ACM
The problem of similarity search (query-by-content) has attracted much research interest. It is a difficult problem because of the inherently high dimensionality of the data. The ...
136
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ACL
2006
15 years 5 months ago
2006
This paper shows that a simple two-stage approach to handle non-local dependencies in Named Entity Recognition (NER) can outperform existing approaches that handle non-local depen...
164
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JPDC
2008
15 years 4 months ago
2008
This paper gives an overview of two middleware systems that have been developed over the last 6 years to address the challenges involved in developing parallel and distributed imp...
128
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MOBIHOC
2010
ACM
15 years 1 months ago
2010
ACM
Recent years have witnessed the emergence of shared sensor networks as integrated infrastructure for multiple applications. It is important to allocate multiple applications in a ...
164
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FOCS
2008
IEEE
15 years 10 months ago
2008
IEEE
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...