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Publicações

Publicações por Tiago Boldt Sousa

2013

A testing and certification methodology for an Ambient-Assisted Living ecosystem

Autores
Faria, JP; Lima, B; Sousa, TB; Martins, A;

Publicação
2013 IEEE 15th International Conference on e-Health Networking, Applications and Services, Healthcom 2013

Abstract
To cope with the needs raised by the demographic changes in our society, several Ambient-Assisted Living (AAL) technologies have emerged in recent years, but those 'first offers' are often monolithic, incompatible and thus expensive and potentially not sustainable. The AAL4ALL project aims at improving that situation through the development of an open ecosystem of interoperable products and services for AAL, tied together via an integration infrastructure. To that end, the project encompasses the specification of a set of reference models and requirements for interoperable products and services, against which candidate products and services can be tested and certified, and subsequently integrated as components of the ecosystem. This paper proposes a testing and certification methodology for such an ecosystem. © 2013 IEEE.

2014

A testing and certification methodology for an open Ambient-Assisted Living ecosystem

Autores
Faria, JP; Lima, B; Sousa, TB; Martins, A;

Publicação
International Journal of E-Health and Medical Communications

Abstract
To cope with the needs raised by the demographic changes in our society, several Ambient-Assisted Living (AAL) technologies have emerged in recent years, but those 'first offers' are often monolithic, incompatible and thus expensive and potentially not sustainable. The AAL4ALL project aims at improving that situation through the development of an open ecosystem of interoperable AAL components (products and services), tied together by an integration infrastructure, comprising a message-queue based service bus and gateways bridging the communication with devices. To that end, the project encompasses the specification of interfaces and requirements for interoperable components, against which candidates can be tested and certified before entering the ecosystem. This paper proposes a testing and certification methodology for such an ecosystem. Besides fulfilling specified pre-requisites, candidate components must pass unit tests that check their conformance with interface specifications and integration tests that check their semantic interoperability with other components in specified orchestration scenarios. Copyright © 2014, IGI Global.

2014

Collaborative Web Platform for UNIX-Based Big Data Processing

Autores
Castro, O; Ferreira, HS; Sousa, TB;

Publicação
COOPERATIVE DESIGN, VISUALIZATION, AND ENGINEERING, CDVE 2014

Abstract
UNIX-based operative systems were always empowered by scriptable shell interfaces, with a core set of powerful tools to perform manipulation over files and data streams. However those tools can be difficult to manage at the hands of a non-expert programmer. This paper proposes the creation of a Collaborative Web Platform to easily create workflows using common UNIX command line tools for processing Big Data through a collaborative web GUI.

2017

Engineering Software for the Cloud: Messaging Systems and Logging

Autores
Sousa, TB; Ferreira, HS; Correia, FF; Aguiar, A;

Publicação
Proceedings of the 22nd European Conference on Pattern Languages of Programs, EuroPLoP 2017, Irsee, Germany, July 12-16, 2017

Abstract
Software business continues to expand globally, highly motivated by the reachability of the Internet and possibilities of Cloud Computing. While widely adopted, development for the cloud has some intrinsic properties to it, making it complex to any newcomer. This research is capturing those intricacies using a pattern catalog, with this paper contributing with three of those patterns: Messaging System, a message bus for abstracting service placement in a cluster and orchestrating messages between multiple services; Preemptive Logging, a design principle where services and servers continuously output relevant information to log files, making them available for later debugging failures; and Log Aggregation, a technique to aggregate logs from multiple services and servers in a centralized location, which indexes and provides them in a queryable, user friendly format. These patterns are useful for anyone designing software for the cloud, either to guide or validate their design decisions. © 2017 Copyright is held by the owner/author(s).

2013

Monitor, control and process-an adaptive platform for ubiquitous computing

Autores
Sousa, TB; Martins, A;

Publicação
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Abstract
Monitor, control and process data on top of distributed networks has been a trending topic in the past few years, with ubiquity being adjective to computing and, gradually, the Internet of Things becoming a reality in home and factory automation or Ambient Assisted Living (aal). Still, there is a general lack of knowledge and best practices on how to build systems that integrate devices and services from third-parties which connect dynamically with each other. Recurring problems such as security, clustering, message passing, deployment and other orchestration details also lack a standardized solution. The authors describe a platform that simplifies the bootstrap and maintenance of such complex systems, presenting its application in an aal scenario. Such platform could orchestrate most distributed systems, possibly setting a pattern for distributed ubiquitous computing. © 2013 Springer-Verlag Berlin Heidelberg.

2018

Engineering Software for the Cloud: Automated Recovery and Scheduler

Autores
Sousa, TB; Ferreira, HS; Correia, FF; Aguiar, A;

Publicação
EUROPLOP 2018: PROCEEDINGS OF THE 23RD EUROPEAN CONFERENCE ON PATTERN LANGUAGES OF PROGRAMS

Abstract
Cloud software continues to expand globally, highly motivated by how widespread the Internet is and the possibilities it unlocks with cloud computing. Still, cloud development has some intrinsic properties to it, making it complex to unexperienced developers. This research is capturing those intricacies in the form of a pattern language that gathers ten patterns for engineering software for the cloud. This paper elaborates on that research by contributing with two new patterns: Automated Recovery, which checks if a container is working properly, automatically recovering it in case of failure and Scheduler, which periodically executes actions within the infrastructure. The described patterns are useful for anyone designing software for the cloud, either to bootstrap or to validate their design decisions with the end goal of enabling them to create better software for the cloud.

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