In this paper we introduce an algorithmic approach, capable of creating a semantic network with concatenated terms and phrases (hash tags) from collectively postings on the Twitter sphere. This network could be exploi...
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In this paper we introduce an algorithmic approach, capable of creating a semantic network with concatenated terms and phrases (hash tags) from collectively postings on the Twitter sphere. This network could be exploited for query expansion provision in respect to users' information needs, without considering any other prior knowledge or access in search logs or browsing history records. For evaluation purposes, we compare our query expansion approach algorithm with query suggestions provided by well-known search engines and mainstream media services (e.g. Google, Yahoo!, Bing, NBC and Reuters), as well as by enrolling a team of human editors, who provided subjective comparisons in respect to the Google Hot Searches service. The results are quite promising, showing that our proposal semantically expands the user's initial query with related terms adapted to social trends and knowledge.
Fiber to the end-user (FTTx) has long been considered to be too expensive to be deployed to cover all end users especially those living in the far rural areas. The conclusion after working with some municipalities in ...
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Fiber to the end-user (FTTx) has long been considered to be too expensive to be deployed to cover all end users especially those living in the far rural areas. The conclusion after working with some municipalities in Jamtland is now that FTTx is both technically and economically feasible. The architecture tested is an IP-Only broadband network capable of carrying end-user services up to 10/100Gbps to any point in the network. Building such a broadband infrastructure, is feasible mostly due to the fact that cost of standard IP-network components are diminishing and by utilizing novel network designs made possible because the limitations of the old Telecom infrastructure no longer apply and lastly that the take rate of permanent households is close to 100% due to the fact that the copper networks is removed.
Automatic decisional systems based on pattern classification methods are becoming very important to support medical diagnosis. In general, the overall objective is to classify between healthy subjects and patients aff...
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In this paper we introduce a Multi-agent system that uses Reinforcement Learning (RL) techniques to learn local navigational behaviors to simulate virtual pedestrian groups. The aim of the paper is to study empiricall...
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Organic Transistor (OT) modeling, fabrication and applicability has undergone remarkable progress during last ten years. Organic Thin Film Transistors (OTFTs) have received significant attention recently because of th...
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Services science (SSME) is a reality. After the 2006 manifesto published by Communications of ACM several universities are launching SSME curricula. In order to give a well founded overview of SSME and related curricu...
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Services science (SSME) is a reality. After the 2006 manifesto published by Communications of ACM several universities are launching SSME curricula. In order to give a well founded overview of SSME and related curricula, we first address SSME scope issues. Later on we summarize the main contents of the curriculum and particularly the learning approach in the core classes. As case studies, we describe the SSME curriculum of University of Peking and University of Pavia. Finally we consider results. Graduate service engineers are designers of IT-enabled services who know how to analyze and design business service chains and to identify, customize and integrate appropriate IT modules. Differently from traditional IT engineers, service engineers use a critical value based approach with a faster and comprehensive analysis
In geothermal reservoir engineering, one is interested in determining the location of boreholes such that measurements taken therein, say temperature, will allow the estimation of unknown parameters such as porosity a...
Semantic Web Services (SWSs) provide a semantic representation of web services that provides a well-defined semantics in order to make them computer-interpretable, use-apparent, and agent-ready. In the last years it i...
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Large-scale document discussion is becoming an increasingly important need for governments and organizations. To our knowledge, existing tools and methods cannot extensively support such processes. This paper proposes...
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ISBN:
(纸本)9780889868649
Large-scale document discussion is becoming an increasingly important need for governments and organizations. To our knowledge, existing tools and methods cannot extensively support such processes. This paper proposes the issues that need to be tackled, namely discussion consistency, debate clarity, discussion evolution and conversation monitoring. After outlining the challenge of supporting such discussions, we describe addon, a prototype application implementing all such requirements. The prototype consists of a concise web application that is able to support and enhance such discussions and improve decision quality. We then proceed in evaluating addon's performance. Finally, the paper concludes proposing various extensions and applications that can derive from addon.
Fuzzy ontologies extend classical ontologies to allow the representation of imprecise and vague knowledge. Although a relatively important amount of work has been carried out in the last years and they have been succe...
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