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» Evaluating Statistical Power Optimization
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ICDE
2000
IEEE
89views Database» more  ICDE 2000»
14 years 9 months ago
Automating Statistics Management for Query Optimizers
Statistics play a key role in influencing the quality of plans chosen by a database query optimizer. In this paper, we identify the statistics that are essential for an optimizer....
Surajit Chaudhuri, Vivek R. Narasayya
GLOBECOM
2007
IEEE
14 years 1 months ago
Optimal Power Allocation for Linear Dispersion Codes Over Correlated MIMO Channels with Channel State Feedback
— The design of spatio-temporal power allocation schemes is considered for space-time coding over spatially correlated multiple-input multiple-output (MIMO) channels. The focus i...
Che Lin, Vasanthan Raghavan, Venugopal V. Veeraval...
GLOBECOM
2007
IEEE
14 years 1 months ago
Optimal Sink Deployment for Distributed Sensing of Spatially Nonstationary Phenomena
— The optimal deployment of sinks in a sensor region for power efficient data gathering of a physical phenomenon is investigated in this work. In the system of consideration, no...
Lorenzo A. Rossi, Bhaskar Krishnamachari, C. C. Ja...
ACL
2004
13 years 9 months ago
Optimizing Typed Feature Structure Grammar Parsing through Non-Statistical Indexing
This paper introduces an indexing method based on static analysis of grammar rules and type signatures for typed feature structure grammars (TFSGs). The static analysis tries to p...
Cosmin Munteanu, Gerald Penn
ACL
2011
12 years 11 months ago
Better Hypothesis Testing for Statistical Machine Translation: Controlling for Optimizer Instability
In statistical machine translation, a researcher seeks to determine whether some innovation (e.g., a new feature, model, or inference algorithm) improves translation quality in co...
Jonathan H. Clark, Chris Dyer, Alon Lavie, Noah A....