Telecommunications and Networking2018-2021 Main Work Topics:
LONG-TERM PURPOSE: We envision mobile systems to evolve to support a large set of data-centric networking services by including deeper awareness of mobile crowd behavior and context. We intend therefore to contribute to a broader notion of distributed cognitive networking, one that integrates the concept of programmable networks, allowing networked devices to perform customized computation closer to the end-user (user-centric networking). We envision that such generation of cognitive networks will rely on intelligence across all OSI Layers, raising the level of cognitive abilities (known as “Self-X” in the context of network management) via machine learning, e.g., to devise novel solutions related to adaptation and anticipation properties of the network elements across multiple OSI Layers.Since the Internet has evolved to be dominated by content sharing and retrieval, the opportunistic networking concept already under work in COPELABS is going to be exploited to handle data as a network primitive, decoupling data location from identity, security, and access, and allowing data to be shared directly among users. This line of confluence shall also investigate open issues in the context of unified communication in IoT. Another aspect of relevance for the success of IoT is its capability of setting up and controlling a communication layer among a set of distributed sensing devices. In such distributed communication systems, cooperation and localization is a crucial factor since a system may be configured to react locally to the variations within sensing records; hence, accurate determination of the sensor location where the deviations arise is key. By exploring the synergies between computational and physical components one can form smart environments offering improved safety and efficiency in everyday life, e.g., smart parking; assistance for elderly or people with disabilities; monitoring of storage conditions and goods. |
Computational Systems2016-2019 Main Work Topics:
LONG-TERM PURPOSE: The computational systems research line intends to continue the focus on exploring decentralization technologies, in the context of next generation networks, i.e., cloudlet based mobile approaches. In addition to mobile storage and caching issues, decentralized solutions require mobile devices to be connected to their peers or to their cloud service providers, usually via cellular technology often with intermittent connectivity, which can be extremely limiting both in terms of cost, latency, as well as in terms of energy consumption. Continuing the activity under development since 2012 initially exploring identity management and data protection aspects, this line of work evolved into exploring Distributed Ledger Technology (DLT), commonly referred to as Blockchain, as a way to deal with some of the requirements implied by this sparse connectivity environments. Blockchain, a concept initially associated to the support of a digital currency (i.e.: Bitcoin), is currently generalized to many areas of activity. Its decentralized mode of operation, the immutable characteristics of its storage and the secure nature of its transactions, fit into several scenarios where the primary challenge relies on a secure and immutable transactional infrastructure connecting entities (humans or machines). These entities can exchange values, services, but also negotiate the controlled disclosure of personal data, such as identity claims or personal sensor information. The promising results obtained in recent academic work, which applied DLT to Semantic Identity Management and leveraged Ethereum smart contracts to negotiate sensor data pave the way for a future sustained line of research activity in the context of these emerging areas. |
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Data Science and Artificial Intelligence2018-2021 Main Work Topics:
LONG-TERM PURPOSE: A relevant aspect to address in the context of a next generation internet concerns data mining and analytics applied locally (e.g. in decentralized systems, or in cloudlets - rf. to the BEING project, ). In this context, eager classification models such as neural networks have been the preferential choice for pattern detection in wireless and mobile environments. Inference of behavior can, however, be simplified and some activities can be performed locally, in mobile devices. Firstly, because it allows to consider extraction of data in a more secure way, keeping user anonymity. Secondly, this approach reduces the cost associated with data transmission to a cloud. Therefore, the allocation of local computational tasks for the classification of sensed data is of key importance for mobile sensing systems. Contributions in this area of confluence concern the assumption that contextual and behavior inference as well as predictive analytics shall most likely be residing on the fringes of the internet (cloudlets, mobile devices). Research on almost-reliable protocols, as well as on neural networks to assist linear programming is expected as follow-up of work already under development by several researchers in the unit. Still in this context we envision contributions in the context of supervised and unsupervised modeling techniques and statistical techniques, e.g., for improving feedback (e.g. text analytics in sensing middleware, or a better adaptation of interfaces).
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Knowledge and Management Information Systems2018-2021 Main Work Topics:
LONG-TERM PURPOSE:
This area of confluence integrates the know-how of members that teach executive and middle-management courses in the context of LISS (Lusofona Information Systems School, ULHT). This confluence area shall therefore support COPELABS scientific activities in the context of transfer, entrepreneurial culture, IPR strategy as well as in assisting researchers to pursue on their own projects (pet projects) derived from technology created within the research context of COPELABS. Contributions derived from this area of confluence concern models for a systematic analysis of ideas and relevancy in the context of business (e.g., to increase the success of pitching ideas to potential investors); alignment of information systems management with the business strategies; technology adoption modeling; models for technology transfer derived from COPELABS activities. |
11.2020. Accepted Paper, B. Lima, D. Costa, et.al "Adaptive Power Factor Allocation for Cooperative Full-Duplex NOMA Systems With Imperfect SIC and Rate Fairness", in IEEE Transactions on Vehicular technology, https://doi.org/10.1109/TVT.2020.3029791
11.2020. Accepted Paper, IEEE Open Journal of the Communications Society, M. Barahman, L. Correia, L. S. Ferreira, "A QoS-Demand-Aware Computing Resource Management Scheme in Cloud-RAN", in IEEE OJ-COMS. https://doi.org/10.1109/OJCOMS.2020.3034297
10.2020. Accepted Paper, IEEE Access, Daniel Silva, Rute Sofia. "A Discussion on Context-awareness to Better Support the IoT Cloud/Edge Continuum", in IEEE Access. DOI 10.1109/ACCESS.2020.3032388.
9.2020. Accepted paper, Electronics, Sales Mendes, André, Diego M. Jiménez-Bravo, María Navarro-Cáceres, Valderi Reis Quietinho Leithardt, and Gabriel Villarrubia González. "Multi-Agent Approach Using LoRaWAN Devices: An Airport Case Study." Electronics 9, no. 9 (2020): 1430.
https://doi.org/10.3390/electronics9091430
8.2020. Accepted paper, IEEE Access, J. C. S. Anjos and Valderi Leithardt et al., "Data Processing Model to Perform Big Data Analytics in Hybrid Infrastructures," in IEEE Access, doi: 10.1109/ACCESS.2020.3023344.
7.2020. Accepted Paper, IEEE Access, Fernandes,D., Raimundo,A., Cercas,F., Sebastiao,P., Rinis,R., Ferreira,L.S.. "Comparison of Artificial Intelligence and Semi-Empirical Methodologies for Estimation of Coverage in Mobile Networks", in IEEE Access, Vol. 8, July 2020, pp 139803-139812, 10.1109/ACCESS.2020.3013036
4.2020. Accepted Paper, IEEE Access , Fernandes,D., Clemente,D., Soares,G., Sebastiao,P., Cercas,F., Dinis,R, Ferreira,L.S., “Cloud-Based Implementation of an Automatic Coverage Estimation Methodology for Self-Organising Network”, in IEEE Access, Vol 8, Apr. 2020, pp 66456-66474, 10.1109/ACCESS.2020.2986437
01.2020. The most recently hired researcher Nuno Ricardo Garcia had a paper accepted in IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI). TPAMI is the journal with the highest impact factor in the area of computer science (IF=17.73 for 2018). Congratulations.
11.2019. Accepted Paper, IEEE Transactions on Vehicular Technology,
S. Tomic, M. Beko, “A Geometric Approach for Distributed Multi-hop Target Localization in Cooperative Networks’’, to appear in IEEE Transactions on Vehicular Technology. https://doi.org/10.1109/TVT.2019.2952715
07.2019: Accepted Paper, IEEE Transactions on Antennas and Propagation,
K Turbic, L. Correia, M. Beko. A Channel Model for Polarised Off-Body Communications with Dynamic Users’’, IEEE Transactions on Antennas and Propagation, vol. 67, no. 11, pp. 7001-7013, November 2019. https://doi.org/10.1109/TAP.2019.2925157
06.2019: Accepted Paper, IEEE Access
D. Pedro, S. Tomic, L. Bernardo, M. Beko, P. Pinto, “Algorithms for Estimating the Location of Remote Nodes using Smartphones’’, IEEE Access, vol. 7, pp. 33713-33727, December 2019. https://doi.org/10.1109/ACCESS.2019.2904241
05.2019: Accepted Paper, MDPI Future Internet, Special Issue on Information-centric Networking
R. C. Sofia, Guidelines Towards Information-driven Mobility Management, Future Internet 2019, 11(5), 111; https://doi.org/10.3390/fi11050111
04.2019: Accepted Paper, MDPI Future Internet, Special Issue on Information-centric Networking
R. C. Sofia, P. Mendes, An Overview on Push-Based Communication Models for Information-centric Networking. MDPI Future Internet, 2019, 11(3), 74; https://doi.org/10.3390/fi11030074.
03.2019: Accepted Paper, European Control Conference 2019
Model-based fault diagnosis and tolerant control: the ESA’s e.Deorbit mission
03.2019: Accepted paper, MDPI Future Internet 2019, Special issue on ICN
An Overview on Push-based Communication Models for Information-Centric Networking
02.2019: New IRTF ICNRG draft
nformation-centric Routing for Opportunistic Wireless Networks.
.01.2019: Accepted paper, Sensors 2019, Special Issue on Wireless Location Tracking
On Consensus-based Distribution Blind Calibration of Sensor Networks
11.2018: Rute C. Sofia becomes Associate Editor of IEEE Access
11.2018: Accepted paper MDPI Sensors 2018, Special Issue on Wireless Location Tracking
Elephant Herding Optimization for Energy-Based Localization
11.2018: Accepted paper Sensors 2018, Special Issue on Wireless Location Tracking
Target Localization via Integrated and Segregated Ranging Based on RSS and TOA Measurements
11.2018: Results of the CEEC/COPELABS/JUNIOR2018: Prof. Dr. Pedro Sá Costa admitted.
10.2018: Rute C. Sofia becomes an IEEE Senior member
10.2018: Invited Talk: Cooperative wireless networking: Research challenges, P. Mendes, @LakesideLabs, University of Klagenfurt, Austria
09.2018: Accepted paper, ACM ICN 2018
P. Mendes, R. Sofia, V. Tsaoussidis, S. Diamantopoulos, J. Soares,Information-centric routing for opportunistic wireless networks. InProc. ACM ICN 2018, Sep. 2018.
09:2018: Accepted paper, IEEE WiMob
09.2018:C-BRAINs 2018/2019
C-BRAINS for 2018/2019 are out!
07.2018: Ciencia 2018
People-to-people Communication in Emergency Scenarios, P. Mendes, R. Sofia, M. Tavares, O. Aponte
06.2018: UMOBILE project
POC2 - information-centric communication in opportunistic scenarios, P. Mendes, M. Tavares, O. Aponte, R. Sofia, J. Soares
05.2018
04.2018 Accepted Book Chapter
03.2018 IRTF draft DABBER
Information-centric Routing for Opportunistic Wireless Networks