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13 papers · 1 filter
SimTensor: A synthetic tensor data generator
Hadi Fanaee-T, Joao Gama
SimTensor is a multi-platform, open-source software for generating artificial tensor data (either with CP/PARAFAC or Tucker structure) for reproducible research on tensor factoriza…
Limits in Categories of Vietoris Coalgebras
Dirk Hofmann, Renato Neves, Pedro Nora
Motivated by the need to reason about hybrid systems, we study limits in categories of coalgebras whose underlying functor is a Vietoris polynomial one - intuitively, the topologic…
Improving incremental recommenders with online bagging
João Vinagre, Alípio Mário Jorge, João Gama
Online recommender systems often deal with continuous, potentially fast and unbounded flows of data. Ensemble methods for recommender systems have been used in the past in batch al…
An Enhanced Model for Stochastic Coordination
Nuno Oliveira, Luis Soares Barbosa
Applications developed over the cloud coordinate several, often anonymous, computational resources, distributed over different execution nodes, within flexible architectures. Coord…
cf4ocl: a C framework for OpenCL
Nuno Fachada, Vitor V. Lopes, Rui C. Martins +1
OpenCL is an open standard for parallel programming of heterogeneous compute devices, such as GPUs, CPUs, DSPs or FPGAs. However, the verbosity of its C host API can hinder applica…
Power Monitoring and Control for Large Scale projects: SKA, a case study
Domingos Barbosa, João Paulo Barraca, Dalmiro Maia +7
Large sensor-based science infrastructures for radio astronomy like the SKA will be among the most intensive data-driven projects in the world, facing very high demanding computati…