346 Hits in 8.3 sec

JEM: Just in Time/Just Enough Energy Management Methodology for Computing Systems

Muhammad Jawad, Sahibzada Muhammad Ali, Joel A. Jorgenson, Samee U. Khan
2015 IEEE transactions on computers  
The JEM consists of an efficient DC/DC converter and a Power Management Integrated Circuit (PMIC) with a feedback to monitor the activities within a given computing system, providing a new means for dynamic  ...  The JEM is tested and validated on a blade server that results in 15.11% power savings at the motherboard level.  ...  Smith for the valuable comments and suggestions.  ... 
doi:10.1109/tc.2014.2345394 fatcat:rk54v2kerrblllq7veyhuu37qe

Convergent and distributed effects of the schizophrenia-associated 3q29 deletion on the human neural transcriptome [article]

Esra Sefik, Ryan H. Purcell, Megan Merritt-Garza, Sridhar Karne, Jessica Randall, Elaine F. Walker, Gary J. Bassell, Jennifer G. Mulle, The Emory 3q29 Project
2020 bioRxiv   pre-print
These results provide foundational information to formulate testable hypotheses on causal drivers and mechanisms of the largest known genetic risk factor for SZ.  ...  for individual 3q29 genes.  ...  Permutation tests were performed to adjust the observed preservation and quality statistics of each module for random chance by defining Z statistics.  ... 
doi:10.1101/2020.05.25.111351 fatcat:v6r43vswnvgr3orpvdwjq6dohu

Convergent and distributed effects of the 3q29 deletion on the human neural transcriptome

Esra Sefik, Ryan H. Purcell, Katrina Aberizk, Hallie Averbach, Emily Black, T. Lindsey Burrell, Shanthi Cambala, Grace Carlock, Tamara Caspary, Joseph F. Cubells, David Cutler, Paul A. Dawson (+30 others)
2021 Translational Psychiatry  
To systematically formulate unbiased hypotheses about molecular mechanisms linking 3q29Del to neuropsychiatric illness, we conducted a systems-level network analysis of the non-pathological adult human  ...  These results provide testable hypotheses for experimental analysis on causal drivers and mechanisms of the largest known genetic risk factor for schizophrenia and highlight the study of normal function  ...  The GTEx data (release version 6) used for the analyses described in this manuscript were downloaded from the GTEx portal on 01/08/2019 (, file name: "GTEx_-  ... 
doi:10.1038/s41398-021-01435-2 pmid:34131099 fatcat:cgwpaczwu5ejtcj4jldbfzmoyu

High Performance Data Mining [chapter]

Vipin Kumar, Mahesh V. Joshi, Eui-Hong Han, Pang-Ning Tan, Michael Steinbach
2003 Lecture Notes in Computer Science  
and induction of decision trees for classification.  ...  There is a necessity to develop effective parallel algorithms for various data mining techniques.  ...  The best attribute is selected as a test for the node expansion.  ... 
doi:10.1007/3-540-36569-9_8 fatcat:flwxvkqninaz7n5jwo4aqwdnla

Statistical image analysis reveals features affecting fates of Myxococcus xanthus developmental aggregates

C. Xie, H. Zhang, L. J. Shimkets, O. A. Igoshin
2011 Proceedings of the National Academy of Sciences of the United States of America  
Here, we develop high-throughput image quantification and statistical analysis methods to gain insight into M. xanthus developmental aggregation dynamics.  ...  Despite the identification of the genetic pathways required for aggregation and the use of microcinematography to observe aggregation dynamics in WT and mutant strains, a mechanistic understanding of aggregation  ...  Here, we develop high-throughput image quantification and statistical analysis methods to gain insight into M. xanthus developmental aggregation dynamics.  ... 
doi:10.1073/pnas.1018383108 pmid:21436028 pmcid:PMC3078403 fatcat:6ksuq35rtjhrfhwpjeyqhowbca

On the Principles of Population Dynamics and Theoretical Models

Alan A. Berryman
1997 American Entomologist  
Acknowledgments I would like to express my appreciation to Richard Mason and Kenneth Raffa for their helpful comments of an earlier draft of this paper and to Peter Price for reading and commenting on  ...  it does contain considerable statistical theory!).  ...  Some of the mechanisms that could evoke the principles of population dynamics include competition for resources (ROD), predator switching/aggregation (RDD and IDD), cooperative hunting and defense behaviors  ... 
doi:10.1093/ae/43.3.147 fatcat:2ybvezmp4zha7gqf5iiwjawjfm

Evaluation of Scale-Resolving Simulations for a Turbulent Channel Flow

M. Klapwijk, T. Lloyd, G. Vaz, T. van Terwisga
2020 Computers & Fluids  
Evaluation of scale-resolving simulations for a turbulent channel flow Klapwijk, M.; Lloyd, T.; Vaz, G.; van Terwisga, T.  ...  Due to the formulation of the IDDES model, the Reynolds stresses are especially underpredicted close to the wall.  ...  It should also recover proper near-wall scaling for the eddy-viscosity without dynamic procedures.  ... 
doi:10.1016/j.compfluid.2020.104636 fatcat:qxk3uepovbgpfel7mbzwm5wv5u

Analog Automatic Test Pattern Generation for Quasi-Static Structural Test

A. Zjajo, J.P. de Gyvez
2009 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
A new approach for structural, fault-oriented analog test generation methodology to test for the presence of manufacturing-related defects is proposed.  ...  Similarly, the test generator results offer indication for the circuit partitioning within the framework of circuit performance, area and testability.  ...  Next, we set the significance level of the test , and based on the distribution of the test statistics (11) we formulate the Neyman-Pearson critical (rejection) region .  ... 
doi:10.1109/tvlsi.2008.2003517 fatcat:ybtohk2ayjehfgoowytw2epmhm

Bringing machine learning to research on intellectual and developmental disabilities: taking inspiration from neurological diseases

Chirag Gupta, Pramod Chandrashekar, Ting Jin, Chenfeng He, Saniya Khullar, Qiang Chang, Daifeng Wang
2022 Journal of Neurodevelopmental Disorders  
We anticipate that this review will guide researchers to formulate AI and ML-based approaches to investigate IDDs and related conditions.  ...  For more than five decades, the IDDRC network has supported a nexus of investigators at centers across the USA, all striving to understand the interplay between various factors underlying IDDs.  ...  Acknowledgements The authors would like to thank all members of the Wang lab for valuable discussions on the topic. Gupta et  ... 
doi:10.1186/s11689-022-09438-w pmid:35501679 pmcid:PMC9059371 fatcat:hyyo3jss6fdyhkei77c667fsh4

Reconstructing social sensitivity from evolution of content volume in Twitter [article]

Sebastián Pinto, Marcos Trevisan, Pablo Balenzuela
2022 arXiv   pre-print
To explain the dynamics that underlie the emergence of these reactive states, we set up a simple mathematical model for public interest in terms of media coverage and social interactions.  ...  We test the model on a series of events related to violence in the US during 2020.  ...  Analytical formulation of the model Equation 1 is an analytical approximation of the threshold-based model proposed by Mark Granovetter [17] with the addition of an external field.  ... 
arXiv:2112.11644v4 fatcat:nzb433ggk5dy7c2ntj7jrlkyfi

Measuring Dependence with Matrix-based Entropy Functional

Shujian Yu, Francesco Alesiani, Xi Yu, Robert Jenssen, Jose Principe
Measuring the dependence of data plays a central role in statistics and machine learning.  ...  We show that our measures are differentiable and statistically more powerful than prevalent ones.  ...  The threshold is the estimated quantile 1 − τ where τ is the significance level of the test (Type I error).  ... 
doi:10.1609/aaai.v35i12.17288 fatcat:kiph66a6zbav5br2koduk4fqoa

The process of pair formation mediated by substrate-borne vibrations in a small insect

Jernej Polajnar, Anna Eriksson, Marco Valerio Rossi Stacconi, Andrea Lucchi, Gianfranco Anfora, Meta Virant-Doberlet, Valerio Mazzoni
2014 Behavioural Processes  
For a majority of plant-dwelling insects communicating with substrate-borne vibrations, localization of a potential partner may be a difficult task due to their small body size and complex transmission  ...  Acknowledgments We thank Elisabetta Leonardelli, Matteo Graiff and Luca Nicoletti for rearing of insects, and Dr. Giovanna Flaim for improving the English.  ...  To test for statistical differences of the female pulse amplitudes and frequency ranges between the measuring points, we performed the Kruskal-Wallis test followed by the Steel-Dwass multiple comparison  ... 
doi:10.1016/j.beproc.2014.07.013 pmid:25101559 fatcat:2olv3prpyrcu7o664gtlnlbety

Modeling the interacting effects of browsing and shading on mountain forest tree regeneration (Picea abies)

Peter J. Weisberg, Francesco Bonavia, Harald Bugmann
2005 Ecological Modelling  
Model results suggest nonlinear responses to browsing and light availability, and the existence of light intensity thresholds for forest regeneration that should be relevant for management activities affecting  ...  We describe a new, mechanistic model (HUNGER) that modifies a well-established mathematical formulation for plant nutrient transport and conversion processes to simulate sapling response to ungulate browsing  ...  Acknowledgements We thank Walter Schönenberger and Andreas Schwyzer for providing access to unpublished data sets used to develop and test the model.  ... 
doi:10.1016/j.ecolmodel.2004.12.004 fatcat:h5ib7646yfgq7d5z7h2xqvkqy4

Adaptive Voice Smoothing with Optimal Playback Delay Based on the ITU-T E-Model [chapter]

Shyh-Fang Huang, Eric Hsiao-Kuang Wu, Pao-Chi Chang
2005 Lecture Notes in Computer Science  
This work formulates an online loss model which incorporates buffer sizes and applies the ITU-T E-model approach to optimize the delay-loss problem.  ...  Distinct from the other optimal smoothers, the proposed optimal smoother suitable for most of codecs carries the lowest complexity.  ...  The characteristics of packet transmission delay over Internet can be represented by statistical models which follow Exponential distribution for Internet packets (for an UDP traffic) has been shown to  ... 
doi:10.1007/11596356_80 fatcat:2qvc37tj7bbltiguzrjzxrnqsi

DSP-Driven Self-Tuning of RF Circuits for Process-Induced Performance Variability

Donghoon Han, Byung Sung Kim, Abhijit Chatterjee
2010 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
The RF device test response to a specially crafted diagnostic test stimulus is logged via the built-in detector and embedded analog-to-digital converter.  ...  As a result, the RF circuit performance can be diagnosed and tuned with minimal assistance from external test equipment.  ...  knob values to yield the best compensation for test specifications of the DUT under the statistical set of process perturbations considered.  ... 
doi:10.1109/tvlsi.2008.2009454 fatcat:mw2ms7clq5enhmwycj7mtjekke
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