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From Sampling to Optimization on Discrete Domains with Applications to Determinant Maximization [article]

Nima Anari, Thuy-Duong Vuong
2021 arXiv   pre-print
As the main application of our result, we show a simple nearly-optimal k^O(k)-factor approximation algorithm for MAP inference on nonsymmetric DPPs.  ...  We show a connection between sampling and optimization on discrete domains.  ...  MAP Inference on Nonsymmetric DPPs Determinantal point processes (DPPs) have found many applications in machine learning, such as data summarization [Gon+14; LB12] , recommender systems [GPK16; Wil+18  ... 
arXiv:2102.05347v3 fatcat:fpirfdmpyfd5bn2hgzl45j4cke

Scalable Learning and MAP Inference for Nonsymmetric Determinantal Point Processes [article]

Mike Gartrell, Insu Han, Elvis Dohmatob, Jennifer Gillenwater, Victor-Emmanuel Brunel
2021 arXiv   pre-print
However, for an item collection of size M, existing NDPP learning and inference algorithms require memory quadratic in M and runtime cubic (for learning) or quadratic (for inference) in M, making them  ...  Recent work shows that nonsymmetric DPP (NDPP) kernels have significant advantages over symmetric kernels in terms of modeling power and predictive performance.  ...  Low-rank DPP Models MLE Learning Runtime MAP Inference Runtime MLE Learning Memory MAP Inference Memory Symmetric DPP Table 2 : 2 Average MPR, AUC, and test log-likelihood for all datasets  ... 
arXiv:2006.09862v2 fatcat:ij6tpkl6bnhhppfikvatyffitm

Simulation of Fusion Plasmas: Current Status and Future Direction

D A Batchelor, M Beck, A Becoulet, R V Budny, C S Chang, P H Diamond, J Q Dong, G Y Fu, A Fukuyama, T S Hahm, D E Keyes, Y Kishimoto (+17 others)
2007 Plasma Science and Technology  
inferred source profile.  ...  These applications require an optimal O (N log N) scalable solver now. Solving the PDE is just one forward map (from inputs to outputs) in this process.  ...  in reduction of MC noise, 4) optimization on the massive parallel computer.  ... 
doi:10.1088/1009-0630/9/3/13 fatcat:qultg3zae5dqtcyqm6lktxgdve

Investigating the buildup of precedence effect using reflection masking

Jess Hartcher‐O'Brien, M. Buchholz, M. Buchholz
2006 Journal of the Acoustical Society of America  
Optimizing the profile of the under-balcony space and utilizing ceiling and side reflectors near the platform were effective in enhancing early reflection.  ...  It covers a large area and has seating for 3690 people. It is used mainly for religious ceremonies and occasionally for concerts.  ...  By employing a statistical optimization technique, we have achieved the mapping from impression vectors to prosody generation parameters.  ... 
doi:10.1121/1.4787437 fatcat:4h2rmntypzabhiivz7ddvu5uai

Predictors of auditory performance in hearing‐aid users: The role of cognitive function and auditory lifestyle

Martin D. Vestergaard
2006 Journal of the Acoustical Society of America  
By employing a statistical optimization technique, we have achieved the mapping from impression vectors to prosody generation parameters.  ...  This approach has been employed for TNC mapping exercises to generate ArcGIS maps of conservation areas.  ...  The algorithms closely examined are maximum likelihood linear regression ͑MLLR͒, maximum a posteriori ͑MAP͒, and the MAP/MLLR algorithm that combines MAP and MLLR.  ... 
doi:10.1121/1.4787675 fatcat:niry4qemhvdzvpeivahfcgd53a

Temporal processes involved in simultaneous reflection masking

Joerg M. Buchholz
2006 Journal of the Acoustical Society of America  
By employing a statistical optimization technique, we have achieved the mapping from impression vectors to prosody generation parameters.  ...  This approach has been employed for TNC mapping exercises to generate ArcGIS maps of conservation areas.  ...  The algorithms closely examined are maximum likelihood linear regression ͑MLLR͒, maximum a posteriori ͑MAP͒, and the MAP/MLLR algorithm that combines MAP and MLLR.  ... 
doi:10.1121/1.4787438 fatcat:paik6sldxff6fkga6wm7nmgp7m

Enhancer-responsiveness and -specificity of Core Promoters in gene transcription

Zabidi Muhammad Mamduh Ahmad
2017 unpublished
During my PhD, I am interested in the specificity and responsiveness of core promoters towards enhancers.  ...  The differences correlate with sequence signatures and are associated with genes of different function.  ...  20 g of library (pre-set program Optimization 5).  ... 
doi:10.25365/thesis.46663 fatcat:d7uaocpskrgaxbclpcab7cejdq

Practical Software Measurement: Measuring for Process Management and Improvement

William A. Florak, Robert E. Park, Anita Carleton
2018
This guidebook shows how well-established principles and methods for evaluating and controlling process performance can be applied in software settings to help achieve an organization's business and technical  ...  profitability of their business and technical endeavors.  ...  Techniques and methods of inference that are applicable to enumerative studies lead to faulty design and inference for analytic problems.  ... 
doi:10.1184/r1/6582080 fatcat:v5vjrxskarcarpawwkq5g25aqi

Molecular and Supramolecular Engineering of Thiophene Based Materials for Application in Organic Electronics and Bioimaging

Francesca Giulia Di Maria
2016
Above a certain size the bubbles become unstable and collapse nonsymmetrically.  ...  [27] In particular, near 1450 cm -1 the C=C and C-C stretching are present, while near 1200 cm -1 there is the signal of the interring C-C vibrations and near 730 cm -1 the signal corresponding to the  ... 
doi:10.6092/unibo/amsdottorato/7620 fatcat:ewirkx4fnra2zev4qd66l3wnna