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Dimensionality Reduction and (Bucket) Ranking: a Mass Transportation Approach [article]

Mastane Achab, Anna Korba, Stephan Clémençon
2019 arXiv   pre-print
Whereas most dimensionality reduction techniques (e.g.  ...  More precisely, we introduce a dedicated distortion measure, based on a mass transportation metric, in order to quantify the accuracy of such representations.  ...  Acknowledgments This work was supported by the industrial chair Machine Learning for Big Data from Télécom ParisTech and by a public grant (Investissement d'avenir project, reference ANR-11-LABX-0056-LMH  ... 
arXiv:1810.06291v2 fatcat:734ghdjxqjd47khvjqwhrzf37u

Predicting Solute Transport through Green Stormwater Infrastructure with Unsteady Transit Time Distribution Theory

E. A. Parker, S. B. Grant, Y. Cao, M. A. Rippy, K. J. McGuire, P. A. Holden, M. Feraud, S. Avasarala, H. Liu, W. C. Hung, M. Rugh, J. Jay (+3 others)
2020 Water Resources Research  
Alternatively, mass balance over a control volume drawn around the biofilter media-so-called "bucket models"-can track the temporal evolution of soil moisture and solutes in these systems.  ...  In this section we begin by describing two different approaches for preparing the unsteady water balance, including a simple bucket model (Section 2.1) and a numerical solution of the Richards equation  ... 
doi:10.1029/2020wr028579 fatcat:rusmzg5z4zcfpa3zl7f2e2rsta

Hydrodynamics of the free surface flow in Pelton turbine buckets

Alexandre Perrig
2006
Mercià Maxime pour les longues discussions aéchanger nos souvenirs de voyage,à Christian pour son humour sympathique,à Raymond pour son caractère bien trempé, età Jean-Daniel avec qui nous avonséchangé  ...  Mes pensées vontégalementà l'équipe du laboratoire de VATech Hydroà Vevey, surtout a MM.  ...  Conservation of mass Since the total amount of fluid in a control volume V is conserved, it can be written: d dt V ρdV = 0. (5.1) Using the Reynolds transport theorem [96] , Eq.5.1 leads to: V ∂ρ ∂t +  ... 
doi:10.5075/epfl-thesis-3715 fatcat:osxxkugavfesdjze2ax3dk3e5a

A non-targeted metabolomics study on Xylella fastidiosa infected olive plants grown under controlled conditions

Asmae Jlilat, Rosa Ragone, Stefania Gualano, Franco Santoro, Vito Gallo, Leonardo Varvaro, Piero Mastrorilli, Maria Saponari, Franco Nigro, Anna Maria D'Onghia
2021 Scientific Reports  
The investigations were performed by combining NMR spectroscopy and MS spectrometry with a non-targeted approach for the analysis of leaf extracts.  ...  This study contributes to describe a set of metabolites playing a possible role as markers in the infections by X. fastidiosa in olive.  ...  We would like to thank Stefano Todisco, Antonio Rizzuti, Biagia Musio, Franco Valentini, Giuseppe Altamura and Giuseppe Cavallo for their helpful discussion and technical support.  ... 
doi:10.1038/s41598-020-80090-x pmid:33441842 fatcat:5dowhfkojnfk5a7obx6toj3dmq

Metabolic reprogramming involving glycolysis in the hibernating brown bear skeletal muscle

Blandine Chazarin, Kenneth B. Storey, Anna Ziemianin, Stéphanie Chanon, Marine Plumel, Isabelle Chery, Christine Durand, Alina L. Evans, Jon M. Arnemo, Andreas Zedrosser, Jon E. Swenson, Guillemette Gauquelin-Koch (+4 others)
2019 Frontiers in Zoology  
A number of studies of hibernating species report an upregulation of the levels and/or activity of lipid oxidizing enzymes in muscles during torpor, with a concomitant downregulation for glycolytic enzymes  ...  In mammals, the hibernating state is characterized by biochemical adjustments, which include metabolic rate depression and a shift in the primary fuel oxidized from carbohydrates to lipids.  ...  Availability of data and materials The mass spectrometry proteomics data have been deposited to the ProteomeXchange Consortium via the PRIDE [82] partner repository with the dataset identifiers PXD004908  ... 
doi:10.1186/s12983-019-0312-2 pmid:31080489 pmcid:PMC6503430 fatcat:f7bs4hzdpza7toyk4wcdtukizm

Fairness in Rankings [article]

Meike Zehlike, Humboldt-Universität Zu Berlin
2022
As a subcategory, ranked search results have become the main mechanism, by which we find content, products, places, and people online.  ...  We are surrounded by a vast amount of algorithmic decision aids, and more and more by algorithmic decision making systems, too.  ...  Furthermore, following Theorem 1, if a legal mTable exists for a given mass and parameters k, p, then this is the only existing legal mTable with that mass.  ... 
doi:10.18452/24310 fatcat:nsdtxxl34rgqbepjkubzaynt7q

Ergonomics Integrated Design Methodology using Parameter Optimization, Computer-Aided Design, and Digital Human Modelling: A Case Study of a Cleaning Equipment [article]

Neelesh Kr. Sharma, Mayank Tiwari, Atul Thakur, Anindya K. Ganguli
2022 arXiv   pre-print
A significant (6 point) reduction in rapid entire body assessment score has been observed in the final posture while working with the manipulator. 3DSSPP suggested that the joint forces during the actuation  ...  The relations are then constrained through the 3DSSPP software-based biomechanical and experimental analysis using a prototype.  ...  The complexity of the approach often restricts its application, while a single rigid approach acts as a bottleneck.  ... 
arXiv:2201.07729v2 fatcat:noz6l3epdrgmldihx36x5eippa

State of Practice of Automation in Precast Concrete Production

Sara Reichenbach, Benjamin Kromoser
2021 Journal of Building Engineering  
A B S T R A C T A current evaluation of the building industry shows a very low efficiency regarding material use as well as a low level of automation in production and construction.  ...  With the industry additionally facing a scarcity of skilled workers in mechanical engineering and construction a development towards automated production processes has been noticeable.  ...  The buckets get discharged either by rotating or by opening of the bottom hatch, with the latter optimal for short transport distances with smaller buckets and the first suited for long transport and larger  ... 
doi:10.1016/j.jobe.2021.102527 fatcat:f7vti54ksvc6pjxhc3wfsqy5li

Primary Data Collection and Environmental/Energy Audit of Hot Mix Asphalt Production

Vincenzo Franzitta, Sonia Longo, Giuseppe Sollazzo, Maurizio Cellura, Clara Celauro
2020 Energies  
ton of hot mix asphalt (HMA), following a "gate to gate" approach, including transport.  ...  The results are of interest for asphalt mixture producers, contractors, transportation agencies and researchers seeking to quantify asphalt pavement environmental impacts in Italy, based on context-related  ...  sustainability rankings.  ... 
doi:10.3390/en13082045 doaj:3918808097954afcb4a82267285e7fe8 fatcat:67xsgxtdm5d2zkp22ykitbzy5m

The Yeast Vacuolar Membrane Proteome

Elena Wiederhold, Tejas Gandhi, Hjalmar P. Permentier, Rainer Breitling, Bert Poolman, Dirk J. Slotboom
2008 Molecular & Cellular Proteomics  
Acknowledgments-We thank Albert Sickmann, Fabrizia Fusetti, and Liesbeth Veenhoff for advice and helpful discussions in various stages of the project. We also thank L.  ...  A handful of vacuolar transport proteins have been identified and characterized by classical genetics and biochemical approaches (12) (13) (14) .  ...  Mascot and X! Tandem were searched with a fragment ion mass tolerance of 0.20 Da and a parent ion tolerance of 200 ppm.  ... 
doi:10.1074/mcp.m800372-mcp200 pmid:19001347 fatcat:zq4226iubbgdbe7ihvmvauhoim

On the influence of Mediterranean Water on the Central Waters of the North Atlantic Ocean

C. Mauritzen, Y. Morel, J. Paillet
2001 Deep Sea Research Part I: Oceanographic Research Papers  
In this paper we hypothesize that the salinity of the Central Water is in#uenced by the saline Mediterranean Out#ow Water, despite physical separation of the two water masses by a salinity minimum over  ...  Laboratory experiments, inverse modeling and direct current observations are applied to support the hypothesis.  ...  Acknowledgements This work was supported by Service Hydrographique et OceH anographique de la Marine, Brest, France under contract SHOM 12/27, and it is a contribution to the SEMANE program.  ... 
doi:10.1016/s0967-0637(00)00043-1 fatcat:gstnkvkr2ncpbids227tlrfgha

An Unmanned Intelligent Transportation Scheduling System for Open-pit Mine Vehicles Based on 5G and Big Data

Sai Zhang, Caiwu Lu, Song Jiang, Shan Lu, Neal N. Xiong
2020 IEEE Access  
For open-pit mine unmanned transportation, the approach provides a variety of optimized solutions for minimum transportation costs, minimum waiting time, minimum ore content fluctuation rate, and a balance  ...  ., with the goal of reducing vehicle transportation costs, total unmanned vehicle delay time, and ore content fluctuation rate, a multiobjective intelligent scheduling model for open-pit mine unmanned  ...  In view of the above problems, to rationally deploy open-pit mine unmanned vehicle transportation equipment, achieving cost reduction and increased efficiency in open-pit mine enterprises, and to solve  ... 
doi:10.1109/access.2020.3011109 fatcat:ggkveo2ervbb7ejt4atiandslm

Mapping protein abundance patterns in the brain using voxelation combined with liquid chromatography and mass spectrometry

Vladislav A. Petyuk, Wei-Jun Qian, Richard D. Smith, Desmond J. Smith
2010 Methods  
The modality independence of voxelation allows a variety of bioanalytical techniques to be used to map abundance.  ...  Protein expression patterns in the brain can be obtained using liquid chromatography (LC) combined with mass spectrometry (MS).  ...  Portions of the research were supported by the NIH National Center for Research Resources (RR18522 to R.D.S.) and NIH grant R01 NS050148 to D.J.S.  ... 
doi:10.1016/j.ymeth.2009.07.009 pmid:19654045 pmcid:PMC2818068 fatcat:7xs4jckzw5grthashdma62ttvi

Physically based modeling in catchment hydrology at 50: Survey and outlook

Claudio Paniconi, Mario Putti
2015 Water Resources Research  
a range of scales and across different compartments of an overall system.  ...  At the catchment scale, these simulation models are commonly based on conservation principles for surface and subsurface water flow and solute transport (e.g., the Richards, shallow water, and advection-dispersion  ...  Acknowledgments The authors wish to thank Alberto Montanari, Reed Maxwell, Lindsay Bearup, Laura Condon, Jennifer Jefferson, James Gilbert, Aldo Fiori, Marco Manzini, and Emmanuel Mouche for their valuable  ... 
doi:10.1002/2015wr017780 fatcat:isejtdihbfb4vdj2wfvixb5rbu

k-Nearest Neighbour Classifiers - A Tutorial

Pádraig Cunningham, Sarah Jane Delany
2021 ACM Computing Surveys  
Sections on similarity measures for time-series, retrieval speedup, and intrinsic dimensionality have been added. An Appendix is included, providing access to Python code for the key methods.  ...  This approach to classification is of particular importance, because issues of poor runtime performance is not such a problem these days with the computational power that is available.  ...  Techniques which combine a balance of both redundancy reduction and noise removal are known as hybrid approaches.  ... 
doi:10.1145/3459665 fatcat:lgb3uiuhanbu3b2gxi3zvxobm4
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