23 Result(s)
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Chapter and Conference Paper
Using Fuzzy Logic to Improve BLE Indoor Positioning System
Accuracy and precision are key parameters in the definition of indoor positioning systems. We want to provide a mobile robot with the capacity to autonomously determining its location inside buildings, to allo...
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Chapter and Conference Paper
Context Classifier for Service Robots
In this paper a context classifier for service robots is presented. Independently of the application, service robots need to have the notion of their context in order to behave appropriately. A context classif...
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Chapter and Conference Paper
Georeferenced Dynamic Event Handling
A fast and efficient response to hazardous events can make the difference between life and death. Using this necessity as premise, surveillance systems are evolving, increasing the number of sensors used in ev...
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Chapter and Conference Paper
Estimating and Controlling the Traffic Impact of a Collaborative P2P System
Nowadays, P2P applications are commonly used in the Internet being an important paradigm for the development of distinct services. However, the dissemination of P2P applications also entails some important cha...
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Chapter and Conference Paper
A Framework for Robust Traffic Engineering Using Evolutionary Computation
In current network infrastructures, several management tasks often require significant human intervention and can be of high complexity, having to consider several inputs to attain efficient configurations. In...
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Chapter and Conference Paper
Traffic Engineering Approaches in P2P Environments
Nowadays, P2P applications proliferate in the Internet with distinct utilization contexts, being also an attractive model for the deployment of advanced Internet services. However, there are several undesirabl...
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Chapter and Conference Paper
Heterogeneous Mobility in Next Generation Devices: An Android-Based Case Study
The fast growing of mobile Internet users with the ability of using a wide diversity of access technologies such as Wi-Fi, WiMAX and UMTS/LTE, and the increasing proliferation of mobile devices with heterogene...
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Chapter and Conference Paper
Ontology-Driven Business Process Design
Rapid business change demands the ability to adapt, rearrange and reinvent business processes while kee** the alignment with supporting information systems. However, such tasks require a business process to ...
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Chapter and Conference Paper
Traffic Engineering Approaches Using Multicriteria Optimization Techniques
Nowadays, network planning and management tasks can be of high complexity, given the numerous inputs that should be considered to effectively achieve an adequate configuration of the underlying network. This p...
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Chapter and Conference Paper
Analysing People’s Work in Organizations and Its Relationship with Technology
We do believe that it is possible to describe the people work in an organization and its relationship with Information Technology. For this purpose we build an analysis of the people work, using some principle...
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Chapter and Conference Paper
Methodologies of Support to the Execution of Risk Management
There are several guidelines to the risk management. During the last quarter of 2009 was even published the ISO 31000, which proposes itself to be the real standard (unanimously recognized as such) to the risk...
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Chapter and Conference Paper
Automated and Distributed Network Service Monitoring
Decentralized architectures have been proposed using functional hierarchies of several middle-level managers with delegation of management activities. However, no management applications have been implemented ...
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Chapter and Conference Paper
Context Aware Programmable Trackers for the Next Generation Internet
This work introduces and proposes the concept of context aware programmable trackers for the next generation Internet. The proposed solution gives ground for the development of advanced applications based on t...
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Chapter and Conference Paper
Forby: Providing Groupware Features Relying on Distributed File System Event Dissemination
Intensive research and development has been conducted in the design and creation of groupware systems for distributed users. While for some activities, these groupware tools are widely used, for other activiti...
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Chapter and Conference Paper
Multiconstrained Optimization of Networks with Multicast and Unicast Traffic
This paper presents an OSPF routing optimization framework taking into account a set of multiconstrained QoS requirements of the networking domain. The proposed optimization approach, based on Evolutionary Com...
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Chapter and Conference Paper
Class-Based OSPF Traffic Engineering Inspired on Evolutionary Computation
This paper proposes a novel traffic engineering framework able to automatically provide near-optimal OSPF routing configurations for QoS constrained scenarios. Within this purpose, this work defines a mathemat...
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Chapter and Conference Paper
Evolutionary Computation for Quality of Service Internet Routing Optimization
In this work, the main goal is to develop and evaluate a number of optimization algorithms in the task of improving Quality of Service levels in TCP/IP based networks, by configuring the routing weights of link-s...
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Chapter and Conference Paper
Providing Consistent Service Levels in IP Networks
The use of Internet as an ubiquitous communication platform puts a strong demand on service providers regarding the assurance of multiple service levels consistently. Designing flexible and simple service-orie...
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Chapter and Conference Paper
Efficient OSPF Weight Allocation for Intra-domain QoS Optimization
This paper presents a traffic engineering framework able to optimize OSPF weight setting administrative procedures. Using the proposed framework, enhanced OSPF configurations are now provided to network administr...
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Chapter and Conference Paper
Enhancing Delay Differentiation Semantics of Class-Based IP Networks
This paper presents a time-sensitive scheduler oriented to delay differentiation in class-based networks, studying its behaviour from a single node to an end-to-end perspective. The novel feature of this sched...
