Articles

Thematic series on Verification and Composition for the Internet of Services and Things

The Internet of Services and Things is characterized as a distributed computing environment that will be populated by a large number of software services and things. Within this context, software systems will ...

Authors: Marco Autili, Dimitra Giannakopoulou and Massimo Tivoli

Security and privacy aware data aggregation on cloud computing

The use of cloud computing has become common due to advantages such as low cost and sizing of computing resources according to demand. However, it also raises security and privacy concerns, because critical da...

Authors: Leandro V. Silva, Pedro Barbosa, Rodolfo Marinho and Andrey Brito

EZ-AG: structure-free data aggregation in MANETs using push-assisted self-repelling random walks

This paper describes EZ-AG, a structure-free protocol for duplicate insensitive data aggregation in MANETs. The key idea in EZ-AG is to introduce a token that performs a self-repelling random walk in the netwo...

Authors: V. Kulathumani, M. Nakagawa and A. Arora

BROAD-RSI – educational recommender system using social networks interactions and linked data

There are several educational resources distributed in different repositories that address to a wide range of subjects and different educational goals. The proper choice of these educational resources is a cha...

Authors: Crystiam Kelle Pereira, Fernanda Campos, Victor Ströele, José Maria N. David and Regina Braga

Support mechanisms provided by FLOSS foundations and other entities

Foundations function as a vital institutional support infrastructure for many of the most successful open-source projects, but the different roles played by these support entities are understudied in Free/Libr...

Authors: Juho Lindman and Imed Hammouda

High-performance IP lookup using Intel Xeon Phi: a Bloom filters based approach

IP lookup is a core operation in packet forwarding, which is implemented using a Longest Prefix Matching (LPM) algorithm to find the next hop for an input address. This work proposes and evaluates the use of p...

Authors: Alexandre Lucchesi, André C. Drummond and George Teodoro

A controller design for mitigation of passive system identification attacks in networked control systems

The literature regarding attacks in Networked Control Systems (NCS) indicates that covert and accurate attacks must be designed based on an accurate knowledge about the model of the attacked system. In this co...

Authors: Alan O. de Sá, Luiz F. R. da Costa Carmo and Raphael C. S. Machado

Environment for integration of distributed heterogeneous computing systems

Connecting multiple and heterogeneous hardware devices to solve problems raises some challenges, especially in terms of interoperability and communications management. A distributed solution may offer many adv...

Authors: Thiago W. B. Silva, Daniel C. Morais, Halamo G. R. Andrade, Antonio M. N. Lima, Elmar U. K. Melcher and Alisson V. Brito

A framework for searching encrypted databases

Cloud computing is a ubiquitous paradigm responsible for a fundamental change in the way distributed computing is performed. The possibility to outsource the installation, maintenance and scalability of server...

Authors: Pedro G. M. R. Alves and Diego F. Aranha

Providing privacy on the tuple space model

Conceptually, tuple spaces are shared memory objects that provide operations to store and retrieve ordered sets of data, called tuples. Tuples stored in a tuple space are accessed by the contents of their fiel...

Authors: Edson Floriano, Eduardo Alchieri, Diego F. Aranha and Priscila Solis

Free and open source software development: the end of the teenage years

Authors: Igor Steinmacher, Gregorio Robles, Brian Fitzgerald and Anthony Wasserman

Design considerations for software-defined wireless networking in heterogeneous cloud radio access networks

The fifth generation (5G) cellular infrastructure is envisaged as a dense and heterogeneous deployment of small cells overlapping with existing macrocells in the Radio Access Network (RAN). Densification and h...

Authors: Marcelo A. Marotta, Maicon Kist, Juliano A. Wickboldt, Lisandro Z. Granville, Juergen Rochol and Cristiano B. Both

Design framework for reliable and environment aware management of smart environment devices

A smart environment is equipped with numerous devices (i.e., sensors, actuators) that are possibly distributed over different locations (e.g., rooms of a smart building). These devices are automatically contro...

Authors: Adja Ndeye Sylla, Maxime Louvel and Eric Rutten

Generative models of online discussion threads: state of the art and research challenges

Online discussion in form of written comments is a core component of many social media platforms. It has attracted increasing attention from academia, mainly because theories from social sciences can be explor...

Authors: Pablo Aragón, Vicenç Gómez, David García and Andreas Kaltenbrunner

Model-driven development of user interfaces for IoT systems via domain-specific components and patterns

Internet of Things technologies and applications are evolving and continuously gaining traction in all fields and environments, including homes, cities, services, industry and commercial enterprises. However, ...

Authors: Marco Brambilla, Eric Umuhoza and Roberto Acerbis

Smartphone-based outlier detection: a complex event processing approach for driving behavior detection

The majority of fatal car crashes are caused by reckless driving. With the sophistication of vehicle instrumentation, reckless maneuvers, such as abrupt turns, acceleration, and deceleration, can now be accura...

Authors: Igor Vasconcelos, Rafael Oliveira Vasconcelos, Bruno Olivieri, Marcos Roriz, Markus Endler and Methanias Colaço Junior

Herding cats in a FOSS ecosystem: a tale of communication and coordination for release management

Release management in large-scale software development projects requires significant communication and coordination. It is particularly challenging in Free and Open Source Software (FOSS) ecosystems, in which ...

Authors: Germán Poo-Caamaño, Eric Knauss, Leif Singer and Daniel M. German

Changes in free and open source software licenses: managerial interventions and variations on project attractiveness

The license adopted by an open source software is associated with its success in terms of attractiveness and maintenance of an active ecosystem of users, bug reporters, developers, and sponsors because what ca...

Authors: Carlos Denner dos Santos Jr

Greening emerging IT technologies: techniques and practices

The tremendous increase in global industrial activity has resulted in high utilization of natural energy resources and increase in global warming over the last few decades. Meanwhile, computing has become a po...

Authors: Junaid Shuja, Raja Wasim Ahmad, Abdullah Gani, Abdelmuttlib Ibrahim Abdalla Ahmed, Aisha Siddiqa, Kashif Nisar, Samee U. Khan and Albert Y. Zomaya

Core-periphery communication and the success of free/libre open source software projects

We examine the relationship between communications by core and peripheral members and Free/Libre Open Source Software project success. The study uses data from 74 projects in the Apache Software Foundation Inc...

Authors: Kevin Crowston and Ivan Shamshurin

Mapping the coverage of security controls in cyber insurance proposal forms

Policy discussions often assume that wider adoption of cyber insurance will promote information security best practice. However, this depends on the process that applicants need to go through to apply for cybe...

Authors: Daniel Woods, Ioannis Agrafiotis, Jason R. C. Nurse and Sadie Creese

Can FOSS projects benefit from integrating Kanban: a case study

Free and Open Source Software (FOSS) and Agile Software Development (ASD) have both been recognized as important software development methods; they have many success stories and share some similarities. Howeve...

Authors: Annemarie Harzl

A context-aware framework for dynamic composition of process fragments in the internet of services

In the last decade, many approaches to automated service composition have been proposed. However, most of them do not fully exploit the opportunities offered by the Internet of Services (IoS). In this article,...

Authors: Antonio Bucchiarone, Annapaola Marconi, Marco Pistore and Heorhi Raik

On organisational involvement and collaboration in W3C standards through editorship

Over time, a number of open standards have been developed and implemented in software for addressing a number of challenges, such as lock-in, interoperability and longevity of software systems and associated d...

Authors: Jonas Gamalielsson and Björn Lundell

Concurrency bugs in open source software: a case study

Concurrent programming puts demands on software debugging and testing, as concurrent software may exhibit problems not present in sequential software, e.g., deadlocks and race conditions. In aiming to increase...

Authors: Sara Abbaspour Asadollah, Daniel Sundmark, Sigrid Eldh and Hans Hansson