Ara es mostren els items 1-20 de 156

    • 4-terminal tandem photovoltaic cell using two layers of PTB7:PC71BM for optimal light absorption 

      Mantilla Perez, Paola; Martinez Otero, Alberto; Romero Gómez, Pablo; Martorell Pena, Jordi (2015-08-26)
      Article
      Accés obert
      A 4-terminal architecture is proposed in which two thin active layers (<100 nm) of PTB7:PC71BM are deposited on a two-sided ITO covered glass substrate. By modeling the electric field distribution inside the multilayer ...
    • A downscaling approach for SMOS land observations: evaluation of high-resolution soil moisture maps over the Iberian Peninsula 

      Piles Guillem, Maria; Sanchez, Nilda; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Martinez Fernandez, Jose; Martinez, Justino; González Gambau, Veronica (2014-09-01)
      Article
      Accés restringit per política de l'editorial
      The ESA's Soil Moisture and Ocean Salinity (SMOS) mission is the first satellite devoted to measure the Earth's surface soil moisture. It has a spatial resolution of similar to 40 km and a 3-day revisit. In this paper, a ...
    • A probabilistic model revealing shortcomings in Lua’s hybrid tables 

      Martínez Parra, Conrado; Nicaud, Cyril; Rotondo, Pablo (Springer, 2022)
      Capítol de llibre
      Accés obert
      Lua (Ierusalimschy et al., 1996) is a well-known scripting language, popular among many programmers, most notably in the gaming industry. Remarkably, the only data-structuring mechanism in Lua, is an associative array ...
    • A survey and taxonomy of ID/Locator Split Architectures 

      Ramirez Almonte, Wilson; Masip Bruin, Xavier; Yannuzzi, Marcelo; Serral Gracià, René; Martínez Manzanilla, Anny Gabriela; Siddiqui, Muhammad Shuaib (2014-02-26)
      Article
      Accés restringit per política de l'editorial
      The IP-based addressing scheme currently supporting the whole routing architecture embeds some well-known limitations that may significantly hinder the deployment of new applications and services on the Internet. Indeed, ...
    • A survey on the recent efforts of the Internet standardization body for securing inter-domain routing 

      Siddiqui, Muhammad Shuaib; Montero Banegas, Diego Teodoro; Serral Gracià, René; Masip Bruin, Xavier; Yannuzzi, Marcelo (2015-04-07)
      Article
      Accés obert
      The Border Gateway Protocol (BGP) is the de facto inter-domain routing protocol in the Internet, thus it plays a crucial role in current communications. Unfortunately, it was conceived without any internal security mechanism, ...
    • Academic performance of students admitted with different entry certificates to the nigerian certificate in education programme at the Federal College of Education (Technical), Omoku 

      Amasuomo, Japo Oweikeye Morto (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2014-03)
      Article
      Accés obert
      This study attempted to determine the levels of academic performance of two groups of students admitted with different entry certificates to the Nigeria certificate in Education (NCE) Technical Programme and to find out ...
    • Academic performance, class attendance and seating location of university students in practical lecture 

      Navarro Jover, José Manuel; Martínez Ramírez, José Antonio (OmniaScience, 2018-09)
      Article
      Accés obert
      The question of where students sit in a classroom has been widely studied under different approaches since the beginning of the 20th century. In this study, the data related to the seating location of the students in the ...
    • Accelerating atmospheric models using GPUs 

      Guzman-Ruiz, Christian; Acosta, Mario; Jorba Casellas, Oriol (Barcelona Supercomputing Center, 2020-05)
      Text en actes de congrés
      Accés obert
      Environmental models are simplified representations of an object or a process [1]. These models provide valuable information on the nature of real-world phenomena and systems [2], with many applications in science and ...
    • Algorithm 942: Semi-Stencil 

      de la Cruz, Raúl; Araya-Polo, Mauricio (ACM Digital Library, 2014-04-01)
      Article
      Accés obert
      Finite Difference (FD) is a widely used method to solve Partial Differential Equations (PDE). PDEs are the core of many simulations in different scientific fields, such as geophysics, astrophysics, etc. The typical FD ...
    • An emulator framework for a new radio resource management for QoS guaranteed services in W-CDMA 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Casadevall Palacio, Fernando José; Agustí Comes, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-10)
      Article
      Accés obert
      In the context of third-generation (3G) systems a mix of services with different requirements are expected. Consequently, packet scheduling mechanisms for quality of service (QoS) guarantees will play a key role. This paper ...
    • An Integrated Information System to Support Supply Chain Management & Performance in SMEs 

      Budiarto, Dekeng Setyo; Prabowo, Muhammad Agung; Herawan, Tutut (OmniaScience, 2017-05)
      Article
      Accés obert
      Purpose: This study aims to examine the relation between the level of supply chain management (SCM) adoption and small & medium enterprises (SMEs) performance. SCM adoption level it is expected to facilitate SMEs in ...
    • Analisis, optimització i millora del buscador de botigues dins de l'e-commerce de MANGO 

      Ruiz Escobar, Pau Josep (Universitat Politècnica de Catalunya, 2022-06-29)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Mango
    • Analysis and evaluation of high performance web servers 

      Hidalgo Barea, Albert (Universitat Politècnica de Catalunya, 2011-07-13)
      Projecte Final de Màster Oficial
      Accés obert
      Web servers are a very important tool when providing users with requested content on the Internet. Usage of the Internet is growing day-by-day, making those software applications essential. In the first part of the thesis, ...
    • Analysis of the effectiveness of using Kahoot! in university degrees in building engineering 

      Bienvenido Huertas, David; Rubio Bellido, Carlos; León Muñoz, Miguel Ángel (OmniaScience, 2023-03)
      Article
      Accés obert
      Gamification is increasingly used for better content assimilation. However, it is hardly used in theoretical and technical courses related to building and architecture. This study focuses on assessing the use of gamification ...
    • Analysis of the feasibility of new long-haul routes from Palma de Mallorca airport (PMI/LEPA) 

      Esquer Salom, Alberto (Universitat Politècnica de Catalunya, 2023-06-20)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Given the volume of passengers currently traveling to the island of Mallorca, the remaining capacity available at the airport and the arrival on the market of new single-aisle aircraft, more sustainable and with a greater ...
    • Analyzing the performance of hierarchical collective algorithms on ARM-based multicore clusters 

      Utrera Iglesias, Gladys Miriam; Gil, Marisa; Martorell Bofill, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Comunicació de congrés
      Accés obert
      MPI is the de facto communication standard library for parallel applications in distributed memory architectures. Collective operations performance is critical in HPC applications as they can become the bottleneck of their ...
    • Analyzing transient phenomena in the time domain using the Feature Selective Validation (FSV) method 

      Jauregui Telleria, Ricardo Ignacio; Zhang, Gang; Rojas Mora, Julio; Ventosa Llopart, Josep Oriol; Silva Martínez, Fernando; Duffy, Alistair P.; Sasse, Hugh (2014-08-01)
      Article
      Accés restringit per política de l'editorial
      The increasing application of simulation tools to increasingly complex problems makes the use of validation tools essential to improve confidence in the veracity of those simulation results. IEEE Standard 1597.1 is the ...
    • Antecedents of user acceptance of electronic Human Resource Management Systems (e-HRM) at SEAT 

      Vázquez Méndez, Marcial; Sunyer Torrents, Albert (IGI Global, 2021-10-01)
      Article
      Accés restringit per política de l'editorial
      This research investigates factors that impact the use of electronic Human Resource Management (e-HRM) systems at SEAT, a car manufacturing firm of the Volkswagen Group. This study builds on the unified theory of acceptance ...
    • AnyTraffic labeled routing for static and dynamic traffic 

      Papadimitriou, Dimitri; Pedroso, Pedro; Careglio, Davide (2009-09-25)
      Report de recerca
      Accés obert
      This paper investigates routing algorithms that compute paths along which combined unicast and multicast traffic can be forwarded altogether, i.e., over the same path. For this purpose, the concept of AnyTraffic group is ...
    • Apache Mahout’s k-Means vs. fuzzy k-Means performance evaluation 

      Xhafa Xhafa, Fatos; Bogza, Adriana; Caballé Llobet, Santiago; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      The emergence of the Big Data as a disruptive technology for next generation of intelligent systems, has brought many issues of how to extract and make use of the knowledge obtained from the data within short times, limited ...