Exploració per autor "Torres Viñals, Jordi"
Ara es mostren els items 82-101 de 103
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Realismo y arquitectura
Torres Viñals, Jordi (1991)
Article
Accés obert -
Recurrent semantic instance semantic segmentation
Bellver, Míriam; Salvador Aguilera, Amaia; Campos, Víctor; Marqués Acosta, Fernando; Giró Nieto, Xavier; Torres Viñals, Jordi (Barcelona Supercomputing Center, 2018-04-24)
Text en actes de congrés
Accés obert -
Scaling a convolutional neural network for classification of adjective noun pairs with TensorFlow on GPU clusters
Campos, Víctor; Sastre, Francesc; Yagües, Maurici; Torres Viñals, Jordi; Giró Nieto, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertDeep neural networks have gained popularity in recent years, obtaining outstanding results in a wide range of applications such as computer vision in both academia and multiple industry areas. The progress made in recent ... -
Scaling DBSCAN-like algorithms for event detection systems in Twitter
Capdevila Pujol, Joan; Pericacho, Gonzalo; Torres Viñals, Jordi; Cerquides, Jesús (Springer, 2016-11-25)
Capítol de llibre
Accés obertThe increasing use of mobile social networks has lately transformed news media. Real-world events are nowadays reported in social networks much faster than in traditional channels. As a result, the autonomous detection of ... -
Sign language translation from instructional videos
Tarrés Benet, Laia; Gallego Olsina, Gerard Ion; Cardoso Duarte, Amanda; Torres Viñals, Jordi; Giró Nieto, Xavier (Computer Vision Foundation, 2023)
Text en actes de congrés
Accés obertThe advances in automatic sign language translation (SLT) to spoken languages have been mostly benchmarked with datasets of limited size and restricted domains. Our work advances the state of the art by providing the first ... -
Simulating complex systems with a low-detail model
Nou Castell, Ramon; Guitart Fernández, Jordi; Beltran Querol, Vicenç; Carrera Pérez, David; Montero Mercadé, Lídia; Torres Viñals, Jordi; Ayguadé Parra, Eduard (2005-09)
Text en actes de congrés
Accés obertIn this paper we show how modeling and simulating a complex system such as a web-server can help to evaluate di erent metrics and proposals to improve the performance without necessity of using a real system. Many times ... -
Skip RNN: learning to skip state updates in recurrent neural networks
Campos, Víctor; Jou, Brendan; Giró Nieto, Xavier; Torres Viñals, Jordi; Chang, Shih-Fu (Barcelona Supercomputing Center, 2018-04-24)
Text en actes de congrés
Accés obertRecurrent Neural Networks (RNNs) continue to show outstanding performance in sequence modeling tasks. However, training RNNs on long sequences often face challenges like slow inference, vanishing gradients and difficulty ... -
Skip RNN: learning to skip state updates in recurrent neural networks
Campos Camunez, Victor; Jou, Brendan; Giró Nieto, Xavier; Torres Viñals, Jordi; Chang, Shih-Fu (2018)
Comunicació de congrés
Accés obertRecurrent Neural Networks (RNNs) continue to show outstanding performance in sequence modeling tasks. However, training RNNs on long sequences often face challenges like slow inference, vanishing gradients and difficulty ... -
Spark deployment and performance evaluation on the MareNostrum supercomputer
Tous Liesa, Rubén; Gounaris, Anastasios; Tripiana, Carlos; Torres Viñals, Jordi; Girona Turell, Sergi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Becerra Fontal, Yolanda; Carrera Pérez, David; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés obertIn this paper we present a framework to enable data-intensive Spark workloads on MareNostrum, a petascale supercomputer designed mainly for compute-intensive applications. As far as we know, this is the first attempt to ... -
Speeding up distributed MapReduce applications using hardware accelerators
Becerra Fontal, Yolanda; Beltran Querol, Vicenç; Carrera Pérez, David; González Tallada, Marc; Torres Viñals, Jordi; Ayguadé Parra, Eduard (2009-09)
Text en actes de congrés
Accés obertIn an attempt to increase the performance/cost ratio, large compute clusters are becoming heterogeneous at multiple levels: from asymmetric processors, to different system architectures, operating systems and networks. ... -
Tackling low-resourced sign language translation: UPC at WMT-SLT 22
Tarrés Benet, Laia; Gallego Olsina, Gerard Ion; Giró Nieto, Xavier; Torres Viñals, Jordi (Association for Computational Linguistics, 2022)
Comunicació de congrés
Accés obertThis paper describes the system developed at the Universitat Politècnica de Catalunya for the Workshop on Machine Translation 2022 Sign Language Translation Task, in particular, for the sign-to-text direction. We use a ... -
The Liver Tumor Segmentation Benchmark (LiTS)
Bilic, Patrick; Christ, Patrick; Li, Hongwei Bran; Vorontso, Eugene; Ben Cohen, Avi; Kaissis, Georgios; Szeski, Adi; Bellver Bueno, Míriam; Giró Nieto, Xavier; Torres Viñals, Jordi (2023-02)
Article
Accés obertIn this work, we report the set-up and results of the Liver Tumor Segmentation Benchmark (LiTS), which was organized in conjunction with the IEEE International Symposium on Biomedical Imaging (ISBI) 2017 and the International ... -
The OTree: multidimensional indexing with efficient data sampling for HPC
Cugnasco, Cesare; Calmet, Hadrien; Santamaria Mateu, Pol; Sirvent Pardell, Raül; Eguzkitza, Ane Beatriz; Houzeaux, Guillaume; Becerra Fontal, Yolanda; Torres Viñals, Jordi; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertSpatial big data is considered an essential trend in future scientific and business applications. Indeed, research instruments, medical devices, and social networks generate hundreds of petabytes of spatial data per year. ... -
Towards energy-aware scheduling in data centers using machine learning
Berral García, Josep Lluís; Goiri Presa, Íñigo; Nou Castell, Ramon; Julià, Ferran; Guitart Fernández, Jordi; Gavaldà Mestre, Ricard; Torres Viñals, Jordi (2010-04-15)
Text en actes de congrés
Accés obertAs energy-related costs have become a major economical factor for IT infrastructures and data-centers, companies and the research community are being challenged to nd better and more efficient power-aware resource ... -
Towards the cloudification of the social networks analytics
Cea, Daniel; Nin Guerrero, Jordi; Tous Liesa, Rubén; Torres Viñals, Jordi; Ayguadé Parra, Eduard (Springer, 2014)
Text en actes de congrés
Accés obertIn the last years, with the increase of the available data from social networks and the rise of big data technologies, social data has emerged as one of the most profitable market for companies to increase their benefits. ... -
Tuning dynamic web applications using fine-grain analysis
Guitart Fernández, Jordi; Carrera Pérez, David; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2005)
Text en actes de congrés
Accés obertIn this paper we present a methodology to analyze the behavior and performance of Java application servers using a performance analysis framework. This framework, considers all levels involved in the application server ... -
Tweet-SCAN: an event discovery technique for geo-located tweets
Capdevila Pujol, Joan; Cerquides, Jesús; Nin, Jordi; Torres Viñals, Jordi (Elsevier, 2017-07-01)
Article
Accés obertTwitter has become one of the most popular Location-based Social Networks (LBSNs) that bridges physical and virtual worlds. Tweets, 140-character-long messages, are aimed to give answer to the What’s happening? question. ... -
User-generated content curation with deep convolutional neural networks
Tous Liesa, Rubén; Wust, Otto; Gómez, Mauro; Poveda, Jonatan; Elena, Marc; Torres Viñals, Jordi; Makni, Mouna; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertIn this paper, we report a work consisting in using deep convolutional neural networks (CNNs) for curating and filtering photos posted by social media users (Instagram and Twitter). The final goal is to facilitate searching ... -
Utitily-based placement of dynamic Web applications with fairness goals
Carrera Pérez, David; Steinder, Malgorzata; Whalley, Ian; Torres Viñals, Jordi; Ayguadé Parra, Eduard (2008)
Text en actes de congrés
Accés obertWe study the problem of dynamic resource allocation to clustered Web applications. We extend application server middleware with the ability to automatically decide the size of application clusters and their placement on ... -
WAS control center: an autonomic performance-triggered tracing environment for WebSphere
Carrera Pérez, David; García, David; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2005)
Text en actes de congrés
Accés obertStudying any aspect of an application server with high availability requirements can become a tedious task when a continuous monitoring of the server status is necessary. The creation of performance-driven autonomic systems ...