La Salle: Enviaments recents
Ara mostrant els elements 261-280 de 807
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Evidence for the decay B0 → J/ψω and measurementof the relative branching fractions of B0s meson decays to J/ψη and J/ψη′
(Nuclear Physics B, 2012, Vol. 867, No. 3, 2012-10)First evidence of the B0→J/ψω decay is found and the B0s→J/ψη and B0s→J/ψη′ decays are studied using a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experimentin ... -
A Comparative Survey of Feature Extraction and Machine Learning Methods in Diverse Acoustic Environments
(Sensors, 2021, Vol. 21, No. 4, 2021-02)Acoustic event detection and analysis has been widely developed in the last few years for its valuable application in monitoring elderly or dependant people, for surveillance issues, for multimedia ... -
A Smart Campus’ Digital Twin for Sustainable Comfort Monitoring
(Sustainability, 2020, Vol. 12, No. 21, 2020-11)Interdisciplinary cross-cultural and cross-organizational research offers great opportunities for innovative breakthroughs in the field of smart cities, yet it also presents organizational and knowledge ... -
Inferring the votes in a new political landscape: the case of the 2019 Spanish Presidential elections
(Journal of Big Data, 2020, 2020-08)The avalanche of personal and social data circulating in Online Social Networks over the past 10 years has attracted a great deal of interest from Scholars and Practitioners who seek to analyse not only ... -
Classifying Microcalcifications in Digital Mammograms using Machine Learning techniques
(2001-10)This paper presents a Computer Aided Diagnosis (CAD) of breast cancer from mammograms. The first part involves severa! image processing techniques, which extract a set of features from the microcalcifications ... -
Sistemas Operativos, un análisis a largo plazo de los procesos de innovación docente
(2018-07)A menudo los análisis que se realizan sobre los procesos de innovación docente suelen ser cortoplacistas. Muchas ponencias y artículos presentan resultados entre dos y tres cursos académicos como ... -
Markets for data
(Industrial and Corporate Change, 2020, Vol. 29, No. 3, 2020-03)Although datasets are abundant and assumed to be immensely valuable, they are not being shared or traded openly and transparently on a large scale. We investigate the nature of data trading with a ... -
Generació de funcions de similitud mitjançant la Programació Genetica pel Raonament Basat en Casos
(2001-10)El raonament basat en casos recupera casos utilitzant una funció de similitud. La funció de similitud permet extraure els casos més similars de la memoria de casos al nou cas que volem resoldre. Per ... -
Mobile robot guidance using cellular neural networks and fuzzy logic
(2001-10)We show how a Cellular Neural Networks based image processing system together with a Tuzzy Logic controller are capable of providing the necessary signal processing to guide an autonomous mobile robot ... -
Observations of B0 s → ψ(2S)η and B0 (s) → ψ(2S)π+π− decays
(Nuclear Physics B, 2013, Vol. 871, No. 3, 2013-06)First observations of the B0s→ψ(2S)η,B0→ψ(2S)π+π− and B0s→ψ(2S)π+π− decays are made using a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment in proton–proton ... -
Measurement of relative branching fractions of B decays to ψ(2S) and J/ψ mesons
(The European Physical Journal C, 2012, Vol. 72, No. 2118, 2012-08)The relative rates of B-meson decays into J/ψ and ψ(2S) mesons are measured for the three decay modes in pp collisions recorded with the LHCb detector. The ratios of branching fractions (B) are measured ... -
Measurement of the forward energy flow in pp collisions at √s = 7 TeV
(The European Physical Journal C, 2013, Vol. 73, No. 2421, 2013-05)The energy flow created in pp collisions at √s = 7 TeV is studied within the pseudorapidity range 1.9 <η< 4.9 with data collected by the LHCb experiment. The measurements are performed for inclusive ... -
Determination of the quark coupling strength |Vub| using baryonic decays
(Nature Physics, 2015, Vol. 11, 2015-07)In the Standard Model of particle physics, the strength of the couplings of the b quark to the u and c quarks, |Vub| and |Vcb|, are governed by the coupling of the quarks to the Higgs boson. Using data ... -
Measurement of the CP-violating phase φsin B0s→J/ψπ+π−decays
(Physics Letters B, 2014, Vol. 736, 2014-09)The mixing-induced CP-violating phase in and decays is measured using the final state in data, taken from 3 fb−1 of integrated luminosity, collected with the LHCb detector in 7 and 8 TeV centre-of-mass ... -
Search for the doubly charmed baryon Ξ+ cc
(Journal of High Energy Physics, 2013, No. 90, 2013-12)A search for the doubly charmed baryon Ξ+ cc in the decay mode Ξ+ cc→ Λ + c K−π + is performed with a data sample, corresponding to an integrated luminosity of 0.65 fb−1 , of pp collisions recorded at ... -
New methods and technologies for enhancing usability and accessibility of educational data
(Universal Access in the Information Society, 2020, 2020-10) -
Small is big in ICT: The impact of R&D on productivity
(Telecommunications Policy, 2020, 2019-07)We examine the contribution of R&D to firm productivity in a large panel of European firms and study its variation with the age, size, and sub-sector of firms. We find that R&D capital in ICT firms has ... -
Evidence for the decay X(3872) →ψ(2S)γ
(Nuclear Physics B, 2014, Vol. 886, 2014-09)Evidence for the decay mode X(3872) →ψ(2S)γ in B+→X(3872)K+decays is found with a sig-nificance of 4.4 standard deviations. The analysis is based on a data sample of proton–proton collisions, corresponding ... -
Evolution of Decision Trees
(2001-10)This paper addresses the issue of the induction of orthogonal, oblique and multivariate decision trees. Algorithms proposed by other researchers use heuristic, usually based on the information gain ... -
Optimizacion de la accesibilidad web a partir de la experiencia de uso con usuarios discapacitados
(2009-06)La accesibilidad web, incluso la accesibilidad a espacios reales son conceptos ampliamente definidos en la mayoría de casos por expertos en el tema y habitualmente implementados por diseñadores o ...