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About

About

I am an associate professor at the Department of Computer Science at the Faculty of Science, University of Porto. I got my Ph.D. on Computer Science from the University of Porto, in 1999. My research interests include domain specific programming languages, virtual machines, distributed systems and, in particular, wireless sensor networks. 

Interest
Topics
Details

Details

002
Publications

2018

Video Dissemination in Untethered Edge-Clouds: A Case Study

Authors
Rodrigues, J; Marques, ERB; Silva, J; Lopes, LMB; Silva, FMA;

Publication
Distributed Applications and Interoperable Systems - Lecture Notes in Computer Science

Abstract

2018

A local algorithm to approximate the global clustering of streams generated in ubiquitous sensor networks

Authors
Rodrigues, PP; Araujo, J; Gama, J; Lopes, L;

Publication
International Journal of Distributed Sensor Networks

Abstract

2017

P3-Mobile: Parallel Computing for Mobile Edge-Clouds

Authors
Silva, J; Silva, D; Marques, ERB; Lopes, LMB; Silva, FMA;

Publication
Proceedings of the 4th Workshop on CrossCloud Infrastructures & Platforms, CrossCloud@EuroSys 2017, Belgrade, Serbia, April 23 - 26, 2017

Abstract
We address the problem of whether networks of mobile devices such as smart-phones or tablets can be used to perform opportunistic, best-effort, parallel computations. We designed and implemented P3-Mobile, a parallel programming system for edge-clouds of Android devices to test the feasibility of this idea. P3-Mobile comes with a programming model that supports parallel computations over peer-to-peer overlays mapped onto mobile networks. The system performs automatic load-balancing by using the overlay to discover work. We present preliminary performance results for a parallel benchmark, using up to 16 devices, and discuss their implications towards future work. Copyright © 2017 ACM.

2017

Using Edge-Clouds to Reduce Load on Traditional WiFi Infrastructures and Improve Quality of Experience

Authors
Pinto Silva, PMP; Rodrigues, J; Silva, J; Martins, R; Lopes, L; Silva, F;

Publication
1st IEEE International Conference on Fog and Edge Computing, ICFEC 2017, Madrid, Spain, May 14-15, 2017

Abstract
Crowd-sourcing the resources of mobile devices is a hot topic of research given the game-changing applications it may enable. In this paper we study the feasibility of using edge-clouds of mobile devices to reduce the load in traditional WiFi infrastructures for video dissemination applications. For this purpose, we designed and implemented a mobile application for video dissemination in sport venues that retrieves replays from a central server, through the access points in the WiFi infrastructure, into a smartphone. The fan's smartphones organize themselves into WiFi-Direct groups and exchange video replays whenever possible, bypassing the central server and access points. We performed a real-world experiment using the live TV feed for the Champions League game Benfica-Besiktas with the help of a group of volunteers using the application at the student's union lounge. The analysis of the logs strongly suggests that edge-clouds can significantly reduce the load in the access points at such large venues and improve quality of experience. Indeed, the edge-clouds formed were able to serve up to 80% of connected users and provide 56% of all downloads requested from within. © 2017 IEEE.

2017

Towards a middleware for mobile edge-cloud applications

Authors
Rodrigues, J; Marques, ERB; Lopes, LMB; Silva, FMA;

Publication
Proceedings of the 2nd Workshop on Middleware for Edge Clouds & Cloudlets - MECC '17

Abstract

Supervised
thesis

2017

Flux: A platform for mobile data sensing using personal devices

Author
Nuno Miguel Alves da Silva

Institution
UP-FCUP

2017

Scheduling Computations Over High Churn Networks of Mobile Devices

Author
Joaquim Magalhães Esteves da Silva

Institution
UP-FCUP

2017

Crowdsourcing Video Replays Using Mobile Edge-clouds

Author
Filipe Esteves

Institution
UP-FCUP

2017

Improving user experience in a museum visit using cloudlets

Author
Miguel Costa Miranda

Institution
UP-FCUP

2016

P3-Mobile Parallel Peer-to-Peer computing on mobile devices

Author
Daniel Filipe Pereira Moreira da Silva

Institution
UP-FCUP