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University of Madeira, Portugal

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6 Papers

Improving Software Design Decisions towards Enhanced Return of Investment

Topics: Software Engineering; Human Factors; Legacy Systems; Organisational Issues on Systems Integration; Enterprise Resource Planning; Performance Evaluation and Benchmarking; Requirements Analysis And Management; Model Driven Architectures and Engineering; Enterprise Engineering; Models and Frameworks; Enterprise Knowledge Engineering and Management; Business Modeling and Business Process Management; Business-It Allignment; EA and Organizational Theory and System Development ; Methods, Processes and Patterns for EA Development; Measurements, Metrics and Evaluation of EA Artefacts and Processes; Architectures and Design Principles for Enterprise Repositories; Project Management; Distributed Database Systems; Software Metrics and Measurement

Authors: Pedro Valente ¹ , David Aveiro ² and Nuno Nunes ²

Affiliations: ¹ University of Madeira (UMA), Portugal , ² Madeira Interactive Techonologies Institute (M-ITI), Portugal

Digital Object Identifier: 10.5220/0005383803880394

Proceedings of ICEIS 2015, ISBN: 978-989-758-097-0

Quick Abstract

One outstanding issue in modern information systems development is the Return of Investment (ROI) of supporting Business Processes (BPs) through in-house development and/or integration of business modules from component-based development. Software solutions to solve this problem will usually be based in internal software development processes where the inadequate decision, for e.g. the wrong software framework, may lead to losses that will range from minor adjustment budgets to financially catastrophic situations. Here we propose to use information from the analysis of BPs metrics to enhance decisions related to software design, based on software development effort estimation for the new enhancement, and the related ROI as a path to consistently raise project success. This paper frames a Software Process Improvement (SPI), Enterprise Engineering (EE) and Software Engineering (SE) based-solution to enhance ROI following better design decisions, and provides in-depth relevant considerations regarding our future work.

Related Ontology Subjects/Areas/Topics (23)

Applications	Human Factors	Physiological Computing Systems
Databases and Information Systems Integration	Human-Computer Interaction	Project Management
Distributed Database Systems	Information Systems Analysis and Specification	Requirements Analysis And Management
e-Business	Legacy Systems	Simulation and Modeling
Enterprise Engineering	Model Driven Architectures and Engineering	Simulation Tools and Platforms
Enterprise Information Systems	Operational Research	Software Engineering
Enterprise Resource Planning	Organisational Issues on Systems Integration	Software Metrics and Measurement
Enterprise Software Technologies	Performance Evaluation and Benchmarking

A MODEL FOR WIRELESS SENSOR NETWORKS SUPPORTED COOPERATIVE WORK

Authors: Lina M. Pestana Leão de Brito ¹ and Laura M. Rodríguez Peralta ²

Affiliations: ¹ University of Madeira (UMa), Portugal , ² University of Madeira (UMa); Centre for Informatics and Systems of the University of Coimbra (CISUC), Portugal

Digital Object Identifier: 10.5220/0001098705050511

Proceedings of MCVE 2008/VISIGRAPP, ISBN: 978-989-8111-20-3

Quick Abstract

Collaboration is essential to Wireless Sensor Networks due to the typical resource limitations of the sensor nodes. In fact, the main functions of the network cannot be accomplished without collaboration among sensor nodes. Most of the work found in literature only focuses a specific type of collaboration, associated with the accomplishment of a certain task, such as signal processing, computing, routing, etc. In this paper, we present a graph-based model of cooperative work for WSNS. This model is called Wireless Sensor Networks Supported Cooperative Work (WSNSCW) and considers the specific requirements of the WSNS.

EMBEDDING MULTIMEDIA CONTENT WITHIN VIRTUAL ENVIRONMENTS - The OGRE Approach

Topics: Augmented, Mixed and Virtual Environments; Augmented, Mixed and Virtual Environments; Collaborative Augmented, Mixed and Virtual Environments; Distributed Augmented, Mixed and Virtual Reality; Real-Time Graphics; Advanced User Interfaces

Authors: Paulo N. M. Sampaio ¹ , Roberto Ivo C. de Freitas ² and Gonçalo Nuno P. Cardoso ²

Affiliations: ¹ Centre for Informatics and Systems of the University of Coimbra (CISUC); University of Madeira (UMA), Portugal , ² University of Madeira (UMA), Portugal

Digital Object Identifier: 10.5220/0001098905240531

Proceedings of MCVE 2008/VISIGRAPP, ISBN: 978-989-8111-20-3

Quick Abstract

Most of the tools and languages for modeling Virtual Reality environments, such as VRML, X3D, Java3D, etc. do not provide means of describing the synchronized presentation of multimedia content inside these environments. Multimedia has demonstrated its capabilities of motivating users and capturing their attention, which is an interesting characteristic when we want to provide a higher degree of immersion inside Virtual Reality applications. This paper presents a robust and generic solution for the integrated presentation of different kinds of media objects inside virtual environments based on the Graphical Engine OGRE.

Related Ontology Subjects/Areas/Topics (6)

Advanced User Interfaces		Computer Vision, Visualization and Computer Graphics		Interactive Environments
Augmented, Mixed and Virtual Environments		Distributed Augmented, Mixed and Virtual Reality		Real-Time Graphics

PRESENTING INTERACTIVE MULTIMEDIA DOCUMENTS WITHIN VIRTUAL ENVIRONMENTS

Topics: Real-Time Rendering; Systems and Software Architectures for Rendering; Augmented, Mixed and Virtual Environments; Augmented, Mixed and Virtual Environments; Collaborative Augmented, Mixed and Virtual Environments; Image-Based Modeling

Authors: Paulo N. M. Sampaio ¹ , Laura M. Rodriguez Peralta ¹ and João Pedro D. Pereira ²

Affiliations: ¹ Centre for Informatics and Systems of the University of Coimbra (CISUC); University of Madeira (UMA), Portugal , ² University of Madeira (UMA), Portugal

Digital Object Identifier: 10.5220/0001098805120518

Proceedings of MCVE 2008/VISIGRAPP, ISBN: 978-989-8111-20-3

Quick Abstract

Different languages and tools have been used for the modeling and building Virtual Reality applications which can be applied in different domains. These tools are each time more sophisticated providing means for the author of a 3D environment to build his model intuitively. However, these languages and APIs used for building virtual environments are still limited when it comes to integrate multimedia content inside these applications. This paper presents a generic and extensible solution for the presentation of integrated Interactive Multimedia Documents within Virtual Reality applications.

Related Ontology Subjects/Areas/Topics (11)

Applications	Image-Based Modeling	Rendering
Augmented, Mixed and Virtual Environments	Interactive Environments	Software Engineering
Computer Vision, Visualization and Computer Graphics	Pattern Recognition	Systems and Software Architectures for Rendering
Geometry and Modeling	Real-Time Rendering

PROCESS USE CASES: USE CASES IDENTIFICATION

Topics: Systems Engineering Methodologies; Business Processes Re-Engineering; Requirements Analysis

Authors: Pedro Valente and Paulo N. M. Sampaio

Affiliation: Distributed Systems and Networks Lab. (Lab-SDR), University of Madeira (UMa), Portugal

Digital Object Identifier: 10.5220/0002394303010307

Proceedings of ICEIS 2007, ISBN: 978-972-8865-90-0

Quick Abstract

The identification of use cases is one key issue in the development of interactive information systems. User participation in the development life cycle can be seen as critical to achieve usable systems and has proven its efficacy in the improvement of systems appropriateness. Indeed, the involvement of users in the requirements definition can add a significant improvement in both consecutive/interleaved tasks of: (i) understanding and specifying the context of use, and, (ii) specifying the user and organizational requirements, as defined in Human-Centered Design (HCD) (Organizations, 1999). Existing solutions provide a way to identify business processes and/or use cases in order to achieve system definition, but they don’t do it in an agile and structured way that helps to efficiently bridge between Business Process Management and Software Engineering. Process Use Cases is a methodology, defined in the Goals software construction process, for the identification of use cases and information entities during the modeling and reorganization of business processes focusing the results in the identification of the functional requirements for the correct development of an interactive information system.

Related Ontology Subjects/Areas/Topics (14)

Artificial Intelligence	Information Systems Analysis and Specification	Requirements Analysis And Management
Business Process Management	Knowledge Management and Information Sharing	Software Engineering
e-Business	Knowledge-Based Systems	Symbolic Systems
Enterprise Engineering	Methodologies, Processes and Platforms	Systems Engineering
Enterprise Information Systems	Model-Driven Software Development

TLSA PLAYER: A TOOL FOR PRESENTING CONSISTENT SMIL 2.0 DOCUMENTS

Topic: Multimedia Systems

Authors: Paulo N. M. Sampaio ¹ and Jean-Pierre Courtiat ²

Affiliations: ¹ Distributed Systems and Networks Lab. (Lab-SDR), University of Madeira (UMa), Portugal , ² LAAS – CNRS, France

Digital Object Identifier: 10.5220/0002357502680271

Proceedings of ICEIS 2007, ISBN: 978-972-8865-92-4

Quick Abstract

Describing synchronization constraints in complex Interactive Multimedia Documents at authoring time can be an error-prone task, especially if the increasing number of media objects participating in these relations is considered. As a consequence, some synchronization constraints specified by the author may not be satisfied, leading the presentation of the document to undesirable deadlocks or to unexpected misbehaviours, characterizing the occurrence of an inconsistency. In particular, the flexibility of high level authoring models (such as SMIL 2.0) for the edition of complex IMDs can lead authors, in certain cases, to specify inconsistent documents. For this reason, it is important to apply multimedia players that can ensure the presentation of consistent documents. This paper presents the main aspects of the development of a multimedia player which ensures the presentation of consistent multimedia documents, the TLSA Player. The TLSA Player is part of a formal methodology for the design of multimedia documents which provides the formal semantics for the dynamic behaviour of the document, consistency checking, and the scheduling of the presentation taking into account the temporal non-determinism of these documents.

Related Ontology Subjects/Areas/Topics (3)

Enterprise Information Systems

Human-Computer Interaction

Multimedia Systems

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