scholarly journals TESSA: design and implementation of a platform for situational sea awareness

2017 ◽  
Vol 17 (2) ◽  
pp. 185-196
Author(s):  
Mario Scalas ◽  
Palmalisa Marra ◽  
Luca Tedesco ◽  
Raffaele Quarta ◽  
Emanuele Cantoro ◽  
...  
Keyword(s):  
Situational Awareness ◽  
Building Blocks ◽  
Ministry Of Education ◽  
End User ◽  
Performance Requirements ◽  
Platform Architecture ◽  
Front End ◽  
Critical Issues ◽  
And Performance ◽  
Key Aspects

Abstract. This article describes the architecture of sea situational awareness (SSA) platform, a major asset within TESSA, an industrial research project funded by the Italian Ministry of Education and Research. The main aim of the platform is to collect, transform and provide forecast and observational data as information suitable for delivery across a variety of channels, like web and mobile; specifically, the ability to produce and provide forecast information suitable for creating SSA-enabled applications has been a critical driving factor when designing and evolving the whole architecture. Thus, starting from functional and performance requirements, the platform architecture is described in terms of its main building blocks and flows among them: front-end components that support end-user applications and map and data analysis components that allow for serving maps and querying data. Focus is directed to key aspects and decisions about the main issues faced, like interoperability, scalability, efficiency and adaptability, but it also considers insights about future works in this and similarly related subjects. Some analysis results are also provided in order to better characterize critical issues and related solutions.

scholarly journals TESSA: design and implementation of a platform for Situational Sea Awareness

2016 ◽  
Author(s):  
M. Scalas ◽  
P. Marra ◽  
L. Tedesco ◽  
R. Quarta ◽  
E. Cantoro ◽  
...  
Keyword(s):  
Situational Awareness ◽  
Building Blocks ◽  
Ministry Of Education ◽  
End User ◽  
Performance Requirements ◽  
Platform Architecture ◽  
Front End ◽  
Critical Issues ◽  
And Performance ◽  
Key Aspects

Abstract. This article describes the architecture of Sea Situational Awareness (SSA) platform, a major asset within "TESSA", an industrial research project funded by the Italian Ministry of Education and Research. The main aim of the platform is to collect, transform and provide forecast and observational data as information suitable for delivery across a variety of channels, like web and mobile; specifically, the ability to produce and provide forecast information suitable for creating SSA-enabled applications has been a critical driving factor when designing and evolving the whole architecture. Thus, starting from functional and performance requirements, the platform architecture is described in terms of its main building blocks and flows among them: front-end components that support end-user applications and map and data analysis components that allow for serving maps and querying data. Focus is directed to key aspects and decisions about the main issues faced, like interoperability, scalability, efficiency and adaptability, but it also considers insights about future works in this and similarly related subjects. Some analysis results are also provided in order to better characterize critical issues and related solutions.

Integration of Postclosure Safety Analysis with Repository Design for the Yucca Mountain Repository through the Selection of Design Control Parameters

2008 ◽  
Vol 1124 ◽  
Author(s):  
Gerald Hans Nieder-Westermann ◽  
Robert H. Spencer ◽  
Robert W Andrews ◽  
Neil Brown
Keyword(s):  
Natural Environment ◽  
Configuration Management ◽  
Ground Surface ◽  
Safety Analysis ◽  
Yucca Mountain ◽  
Operating Conditions ◽  
Control Parameters ◽  
Performance Requirements ◽  
And Performance ◽  
Key Aspects

AbstractThe Yucca Mountain repository combines multiple barriers, both natural and engineered, which work both individually and collectively to limit the movement of water and the potential release and movement of radionuclides to the accessible environment. Engineered structures, systems and components (SSCs) are designed to function in the natural environment utilizing materials chosen to perform their intended functions in order to meet the postclosure performance objectives. Similarly, the features of the natural environment are expected to respond to the presence of the repository through geomechanical, hydrogeologic and geochemical changes. At Yucca Mountain, specific features, both engineered and natural have been identified as requiring design control during repository construction and operations. The integration between design and postclosure safety analysis is facilitated using design control parameters. The term “design control parameters” includes functions and performance requirements allocated to SSCs through the design process, as well as the attributes of SSCs that are developed during design (e.g., dimensions; weights; materials; fabrication and quality-control processes; and operating conditions). These control parameters provide an interface between the design and the analyzed postclosure safety bases, which needs to be maintained through the licensing process. Maintenance of the design is controlled through configuration management and procedural safety controls. The design control parameters serve three key purposes. First, they identify key aspects of the design that serve as the design bases for the designers of the SSCs of the facility. Second, they provide a useful input to the analyses of relevant postclosure features, events and processes (FEPs) and are used to either exclude FEPs from the postclosure safety analysis or as an input to models of included FEPs in the safety analysis. Finally, they provide important controlled interface constraints between the design and safety analyses organizations that are amenable to configuration management. Several examples of such design controls will be presented in this briefing. The first type of design controls relates to the location of the underground facility, including standoffs from faults and the ground surface. The second type of design controls relates to the configuration of the engineered features including the spacing of emplacement driftsand drip shield dimensions and characteristics. A third type of design controls relates to constraints on handling, loading and emplacing waste forms in canisters and waste packages in the emplacement drifts.

Design of Music Player Based on Android Platform

2015 ◽  
Vol 713-715 ◽  
pp. 2544-2547
Author(s):  
Xu Dong Wu
Keyword(s):  
Mobile Devices ◽  
Structural Design ◽  
End User ◽  
Platform Architecture ◽  
Android Platform ◽  
Architecture Theory ◽  
And Performance ◽  
Music Player ◽  
New Generation ◽  
Technical Framework

With the development of communications equipment network and computer science, new generation of mobile end-user has higher requirements for the functionality and performance of mobile devices. Because Android intelligent platform occupies the first place in market share with its inherent advantages, the design of music player based on Android platform has a great significance. Firstly, This paper studies the Android platform architecture theory, fully understands the theoretical basis of the Android platform, the platform's technical framework and advantages; secondly, describes the system structural design of the music player; finally, based on the structural design describes the detailed design for music player, including design principles and implemented functions. The design of music player based on Android platform makes the mobile devices more lively and flexible, and makes people's lives more diverse.

Learning Parity with Physical Noise: Imperfections, Reductions and FPGA Prototype

2021 ◽  
pp. 390-417
Author(s):  
Davide Bellizia ◽  
Clément Hoffmann ◽  
Dina Kamel ◽  
Hanlin Liu ◽  
Pierrick Méaux ◽  
...  
Keyword(s):  
Integrated Circuits ◽  
Building Blocks ◽  
Learning Problems ◽  
Inner Product ◽  
Secret Key ◽  
Data Dependencies ◽  
Performance Requirements ◽  
And Performance ◽  
Lpn Problem ◽  
Error Probabilities

Hard learning problems are important building blocks for the design of various cryptographic functionalities such as authentication protocols and post-quantum public key encryption. The standard implementations of such schemes add some controlled errors to simple (e.g., inner product) computations involving a public challenge and a secret key. Hard physical learning problems formalize the potential gains that could be obtained by leveraging inexact computing to directly generate erroneous samples. While they have good potential for improving the performances and physical security of more conventional samplers when implemented in specialized integrated circuits, it remains unknown whether physical defaults that inevitably occur in their instantiation can lead to security losses, nor whether their implementation can be viable on standard platforms such as FPGAs. We contribute to these questions in the context of the Learning Parity with Physical Noise (LPPN) problem by: (1) exhibiting new (output) data dependencies of the error probabilities that LPPN samples may suffer from; (2) formally showing that LPPN instances with such dependencies are as hard as the standard LPN problem; (3) analyzing an FPGA prototype of LPPN processor that satisfies basic security and performance requirements.

Web-Based Financial Reporting: An Interpretative Model for Corporate Communications on Social Media

2017 ◽  
pp. 79-112
Author(s):  
Paola Ramassa ◽  
Costanza Di Fabio
Keyword(s):  
Social Media ◽  
Financial Reporting ◽  
Building Blocks ◽  
Corporate Communications ◽  
Distinctive Features ◽  
Financial Communication ◽  
Use Of Social Media ◽  
Key Aspects ◽  
And Diffusion ◽  
Interpretative Model

This paper aims at contributing to financial reporting literature by proposing a conceptual interpretative model to analyse the corporate use of social media for financial communication purposes. In this perspective, the FIRE model provides a framework to study social media shifting the focus on the distinctive features that might enhance web investor relations. The model highlights these features through four building blocks: (i) firm identity (F); (ii) information posting (I); (iii) reputation (R); and (iv) exchange and diffusion (E). They represent key aspects to explore corporate communication activities and might offer a framework to interpret to what degree corporate web financial reporting exploits the potential of social media. Accordingly, the paper proposes metrics based on this model aimed at capturing the interactivity of corporate communications via social media, with a particular focus on web financial reporting. It tries to show the potential of this model by illustrating an exploratory empirical analysis investigating to what extent companies use social media for financial reporting purposes and whether firms are taking advantage of Twitter distinctive features of interaction and diffusion.

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