2015
Autores
Mendes, TDP; Godina, R; Rodrigues, EMG; Matias, JCO; Catalao, JPS;
Publicação
2015 IEEE 5TH INTERNATIONAL CONFERENCE ON POWER ENGINEERING, ENERGY AND ELECTRICAL DRIVES (POWERENG)
Abstract
Smart home vision aims for the integration of key electrical appliances and services, communications and information technologies into one intelligent network to be controlled, monitored and managed by the building user. A wireless infrastructure as a smart home communication backbone is the logical choice for a so high level of integration. This paper updates on wireless communication technologies state-of-the-art for short range applications, and discusses their suitability according to major functional areas or services that may benefit from smart home implementation.
2015
Autores
Ferreira, R; Correia, ME; Rocha Goncalves, FN; Cruz Correia, RJ;
Publicação
HEALTHINF 2015 - Proceedings of the International Conference on Health Informatics, Lisbon, Portugal, 12-15 January, 2015.
Abstract
Introduction: The improvements made to healthcare IT systems made over the past years led to the creation of a multitude of different applications essential to the institutions daily operations. Aim: We aim to create and install a system capable of displaying production metrics for healthcare management with little requirements, efforts and software providers involved. Methods: We propose a system capable of displaying production metrics for healthcare facilities, by extracting HL7 messages and other eHealth relevant protocols directly from the institution's network infrastructure. Our system is then able to populate a knowledge database with meaningful information derived from the gathered data. Results: Our system is currently being tested on a large healthcare facility where it extracts and analyses a daily average of 44,000 HL7 messages. The system is currently capable of inferring and displaying the daily distribution of healthcare related activities such as laboratory orders or even relevant billing information. Conclusion: HL7 messages moving over the network contain valuable information that can then be used to assess many relevant production metrics for the entire facility and from otherwise non-interoperable production systems that, in most cases, can only be seen as black boxes by other system integrators.
2015
Autores
Monteiro, J; Santos, JD; Almeida, F;
Publicação
Handbook of Research on Effective Project Management through the Integration of Knowledge and Innovation
Abstract
This chapter intends to address the needs and the involvement to support communities of innovation in the process of the generation of new ideas. The relevance of this document focuses on information systems and socio-semantics collaborative networks. The support of collaboration is not a new need to human activities in business. Nevertheless, it has major importance due the temporal limitations of the innovative context. In fact, having an idea is not enough. It is necessary to put it on the ground before the competitors. The authors conclude that technology can facilitate the generation of new ideas, benefit business collaboration, and help increase the rate and efficiency in the generation of new ideas, while reducing the time spent in the negotiation of consensus and decreasing the implicit cost in the overall process. It is expected to contribute to the (re)utilization of the innovation memory and to preserve the organizational knowledge.
2015
Autores
Zhu, Z; Ko, HS; Martins, P; Saraiva, J; Hu, Z;
Publicação
CEUR Workshop Proceedings
Abstract
Language designers usually need to implement parsers and printers. Despite being two related programs, in practice they are designed and implemented separately. This approach has an obvious disadvantage: as a language evolves, both its parser and printer need to be separately revised and kept synchronised. Such tasks are routine but complicated and error-prone. To facilitate these tasks, we propose a language called BiYacc, whose programs denote both a parser and a printer. In essence, BiYacc is a domain-specific language for writing putback-based bidirectional transformations - the printer is a putback transformation, and the parser is the corresponding get transformation. The pairs of parsers and printers generated by BiYacc are thus always guaranteed to satisfy the usual round-trip properties. The highlight that distinguishes this reflective printer from others is that the printer - being a putback transformation - accepts not only an abstract syntax tree but also a string, and produces an updated string consistent with the given abstract syntax tree. We can thus make use of the additional input string, with mechanisms such as simultaneous pattern matching on the view and the source, to provide users with full control over the printing-strategies. Copyright © by the paper's authors. Copying permitted for private and academic purposes.
2015
Autores
Valizadeh, M; Brazdil, P;
Publicação
SOFT COMPUTING
Abstract
Most research on multi-document summarization explores methods that generate summaries based on queries regardless of the users' preferences. We note that, different users can generate somewhat different summaries on the basis of the same source data and query. This paper presents our study on how to exploit the information regards how users summarized their texts. Models of different users can be used either separately, or in an ensemble-like fashion. Machine learning methods are explored in the construction of the individual models. However, we explore yet another hypothesis. We believe that the sentences selected into the summary should be coherent and supplement each other in their meaning. One method to model this relationship between sentences is by detecting actor-object relationship (AOR). The sentences that satisfy this relationship have their importance value enhanced. This paper combines ensemble summarizing system and AOR to generate summaries. We have evaluated this method on DUC 2006 and DUC 2007 using ROUGE measure. Experimental results show the supervised method that exploits the ensemble summarizing system combined with AOR outperforms previous models when considering performance in query-based multi-document summarization tasks.
2015
Autores
Roriz, P; Ramos, A; Marques, MB; Simoes, JA; Frazao, O;
Publicação
24TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS
Abstract
The purpose of the present study is to present a prototype of a fiber optic based buckle transducer suitable for measuring strain caused by stretching of a tendon. The device has an E-shape and its central arm is instrumented with a fiber Bragg grating (FBG) sensor. The tendon adjusts to the E-form in a fashion that when it is stretched the central arm bends causing a shift of the Bragg's wavelength (lambda(B)) that is proportional to the amount of strain. This prototype is presented as an alternative to conventional strain gauge (SG) buckle transducers.
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