Exploració per tema "Probabilities"
Ara es mostren els items 21-40 de 60
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E-status: a web tool for learning by doing exercises
(University of Creta, 2002)
Text en actes de congrés
Accés obertThe paper introduces the project led by a team of teachers to assist students learn statistics. The goal is to build a tool able to present mathematical problems and to correct the students´ answers. The problems may include ... -
Equivalence between Non-Markovian and Markovian Dynamics in Epidemic Spreading Processes
(American Institute of Physics (AIP), 2017-03-24)
Article
Accés obertA general formalism is introduced to allow the steady state of non-Markovian processes on networks to be reduced to equivalent Markovian processes on the same substrates. The example of an epidemic spreading process is ... -
Estimation of the number of cases of meningococcical disease in Barcelona by means capture-recapture methodology
(1998-08)
Comunicació de congrés
Accés obertThis study is aimed at estimating the number of cases fo meningococcical disease that appeared in Barcelona between the years 1993 and 1994. We develop long-linear models for capture-recapture methods when there are more ... -
Evidence functions: a compositional approach to information
(Institut d'Estadística de Catalunya, 2018-07-01)
Article
Accés obertThe discrete case of Bayes’ formula is considered the paradigm of information acquisition. Prior and posterior probability functions, as well as likelihood functions, called evidence functions, are compositions following ... -
Fast and effective pseudo transfer entropy for bivariate data-driven causal inference
(Nature, 2021-04-19)
Article
Accés obertIdentifying, from time series analysis, reliable indicators of causal relationships is essential for many disciplines. Main challenges are distinguishing correlation from causality and discriminating between direct and ... -
Fusing mobile phone data with other data sources to generate input OD matrices for transport models
(Elsevier, 2018)
Comunicació de congrés
Accés restringit per política de l'editorialOD matrices that describe mobility patterns provide major input to most transport analysis models. Since OD matrices are not yet directly observable, they are usually estimated indirectly. Data from new sources such as ... -
Implementación de applets para la didáctica de la probabilidad
(Universitat Politècnica de Catalunya, 2009-06)
Projecte/Treball Final de Carrera
Accés obert -
Joint probability density function estimation by spectral estimate methods
(Institute of Electrical and Electronics Engineers (IEEE), 1996)
Text en actes de congrés
Accés obertThe estimation of probability density functions (PDFs) of a given random variable (r.v.) is involved in topics related to codification, speech or whenever a short record of data is available but a greater amount is needed. ... -
Knowledge-Defined Networking: Modelització de la xarxa a través de l’aprenentatge automàtic i la inferència
(Universitat Politècnica de Catalunya, 2016-06-29)
Treball Final de Grau
Accés obert
Realitzat a/amb: University of California, BerkeleyEn el projecte es defineix el Knowledge-Defined Networking, un paradigma de comunicació revolucionari creat entre la UPC, UC Berkeley i empreses com HP i CISCO que modela i optimitza la xarxa a través de l'aprenentatge ... -
LotterySampling: A randomized algorithm for the Heavy Hitters and Top-k problems in data streams
(Springer, 2022)
Capítol de llibre
Accés obertWe propose a new randomized count-based algorithm to solve the Heavy Hitters and Top-k problems in data streams. This algorithm, called LotterySampling, uses the intuitive concept of “lottery tickets”, to decide which ... -
Machine learning applied to crime prediction
(Universitat Politècnica de Catalunya, 2016-09)
Treball Final de Grau
Accés obertMachine Learning is a cornerstone when it comes to artificial intelligence and big data analysis. It provides powerful algorithms that are capable of recognizing patterns, classifying data, and, basically, learn by themselves ... -
Machine Learning with stream processing engines for IoT applications
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés obert
Realitzat a/amb: École nationale supérieure des télécommunicationsThe Internet of Things (IoT) enables to connect multiple devices for providing a certain service, consequently huge amount of data is generated in time, known as time series. This phenomenon presents unique challenges in ... -
Mathematical model for fragmentation of bacterial inclusion bodies
(Carles Casacuberta, Josep Maria Font, Santiago Zarzuela, 2000)
Text en actes de congrés
Accés obertBacterial inclusion bodies are microscopic, ovoid-shaped aggregates of insoluble protein. Under protease exposure a digestion process is produced that reveals a variable fragmentation rate, not compatible with a surface ... -
Measuring the effectiveness of online problem solving for improving academic performance in a probability course
(2022-01-13)
Article
Accés obertResearch on impact in student achievement of online homework systems compared to traditional methods is ambivalent. Methodological issues in the study design, besides of technological diversity, can account for this ... -
Mixture parameters of a trivariate normal superposition from sample cumulants: application to the local stellar velocity distribution
(Carles Casacuberta, Josep Maria Font, Santiago Zarzuela, 2000)
Text en actes de congrés
Accés obertThe velocity distribution of nearby stars can be studied as a mixture of two main population components. In order to determine the mixing proportions and the population parameters a combined geometric-statistical method ... -
Non-informative filtering of the local stellar velocity distribution to obtain two nearly-pure statistical populations
(UNIVERSITAT MANCHESTER, 2000)
Comunicació de congrés
Accés obertThe determination of stellar population constants from the statistics of a global sample is extremely sensitive to the noise introduced by a few non-typical stars. The local velocity distribution can be better determined ... -
Nonlinear system inversion applied to random variable generation
(Institute of Electrical and Electronics Engineers (IEEE), 2000)
Text en actes de congrés
Accés obertA method to design random variable (RV) generators with the same probability density function (PDF) as a given RV record is presented. The resulting RV generator is a nonlinear system that when driven by a uniformly ... -
Nonparametric estimation of the expected accumulated reward for semi-Markov chains
(Institut d'Estadística de Catalunya, 2009)
Article
Accés obertIn this paper a nonparametric estimator of the expected value of a discounted semi-Markov reward chain is proposed. Its asymptotic properties are established and as a consequence of the asymptotic normality the confidence ... -
Notes on the measure of the structural similarity of OD matrices
(2018-12-07)
Report de recerca
Accés obert -
On the use of Monte Carlo simulation, cache and splitting techniques to improve the clarke and wright savings heuristics
(2011)
Article
Accés restringit per política de l'editorialThis paper presents the SR-GCWS-CS probabilistic algorithm that combines Monte Carlo simulation with splitting techniques and the Clarke and Wright savings heuristic to find competitive quasi-optimal solutions to the ...