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International Conference on Unmanned Systems and Artificial Intelligence

作者： Wei Li Boqiang Xu Yuefeng Du Enrong Mao Zhongxiang Zhu Zhen Li Beijing Key Laboratory of Optimized Design for Modern Agricultural Equipment College of Engineering China Agricultural University Beijing China

ISBN: (数字)9781728158594

ISBN: (纸本)9781728158600

In order to improve the precision of the sprayer field operation and reduce the overlapping rate as well as the missing rate during the spray process, an auxiliary navigation system based on Baidu map JavaScript API (application programming interface) was designed to prevent overlapping spray and missing spray. Technologies such as serial communication, GPS (Global Positioning System) positioning, Baidu map API, path planning and geographic information system were integrated in this system. Accordingly, the functions of vehicle positioning, path planning, job navigation, doodle in operated areas, real-time data collection and automatic processing in spray process could be achieved. In order to verify the reliability and stability of the designed navigation system, an experimental platform was developed for auxiliary navigation system based on the self-developed 3WPG-3000 high clearance self-propelled sprayer. In addition, an RTK GPS and a computer were also integrated in this system. Moreover, experiments of AB line navigation and free line navigation were carried out. The results indicated that the overlapping rate of the AB line navigation and the free line navigation as well as the missing rate of them were 2.54%, 0.26% and 4.43%, 0.88% respectively, which meet the needs of sprayer field operation.

关键词： auxiliary navigation system sprayer Baidu Map API overlapping rate missing rate field experiment lap ratio navigation Navigation systems Nebulizers SPRAY PROCESSING application programming interfaces field experimentation API AXIAL POWER INDICATOR American Petroleum Institute biological control free line

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An Extension of Radio Network Information interfaces for Connectivity Management 21

An Extension of Radio Network Information Interfaces for Con...

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21st International Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN)

作者： Pencheva, Evelina Tech Univ Sofia Fac Telecommun Sofia Bulgaria

ISBN: (纸本)9781538634585

Multi-access Edge Computing (MEC) converges telecommunications and cloud technology at the Radio Access Network (RAN). Taking the advantages of telecom cloud MEC allows rapid content processing at the very edge of the mobile network, delivering real-time services. The research is aimed to further develop the MEC potential for improving RAN performance parameters. The idea is to monitor UE connectivity parameters and to trigger a change of used radio technology as earlier as possible. With moving the connectivity management logic in MEC, data flows do not reach the core network. The paper proposes an extension of Radio Network Information application programming Interface (API) for connectivity management. The proposed APIs are described by information flows, data and behavioral models.

关键词： Multi-access Edge Computing Connectivity management Radio Resource Management Representational State Transfer Data model application programming interfaces

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Iconic framework for cooperative coding 18

Iconic framework for cooperative coding

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19th Bulgarian International Conference on Computer Systems and Technologies (CompSysTech)

作者： Averna, Guido Lenzitti, Biagio Taibi, Davide Tegolo, Domenico Dept Maths & Comp Sci Palermo PA Italy CNR Palermo PA Italy

ISBN: (纸本)9781450364256

The description of an innovative framework built on top of Web based visual programming environment is the primary aim of this contribution. In the last decade, many frameworks oriented to visual languages have been introduced in literature to improve the skill on programming languages, but at the best of our knowledge, no framework has been specially designed to support collaborative work on heterogeneous distributed environments. Therefore, SIRENE introduces a new framework in which beginners and experts can cooperate to develop algorithms by using a visual and iconic paradigm. Students, in the classroom or connected from everywhere, can he involved into the definition of the algorithm, can asynchronously modify the common working space, show a visual function to expert, thus the server hosts a shared space in which the algorithms can be visualised and modified by all of the SIRENE clients. SIRENE is primarily a visual framework oriented to collaborative approaches in which each user can visualise the evolution or implementation of some algorithms and modify it during its development by other users.

关键词： application programming interfaces Collaborative Coding Visual programming Environments Web-based Iconic Interface Interactive learning control

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Reengineering a server ecosystem for enhanced portability and performance

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IBM JOURNAL OF RESEARCH AND DEVELOPMENT 2018年第1期62卷 9:1-9:13页

作者： Gschwind, M. Weigand, U. IBM Chief Data Off Armonk NY 10504 USA IBM Deutschland Res & Dev GmbH D-71032 Boblingen Germany

We describe the design and implementation of the new, little-endian Linux on Power operating environment, with a particular emphasis on its application interfaces. The new environment was designed to simplify porting of applications from other processor architectures to Power. It uses little-endian data formats to reduce the need for code adaptation and debugging during porting, and to simplify the use of commodity off-the-shelf system components, such as I/O adapters and accelerators. We took advantage of introducing a new operating environment to optimize the platform application binary interface (ABI) for new programming patterns and paradigms, resulting in enhanced out-of-the-box performance. The new ABI responds to increasing componentization of applications by reducing the overhead involved in function calls with an emphasis on accelerating calls to short functions as well as calls to runtime-resolved functions, i.e., functions in shared libraries, function pointers, virtual methods, and interface functions.

关键词： Linux Ecosystems Libraries Operating systems Computer architecture Debugging application programming interfaces Computer interfaces

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IBM POWER9 and cognitive computing

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IBM JOURNAL OF RESEARCH AND DEVELOPMENT 2018年第4-5期62卷 10:1-10:12页

作者： Kumar, M. Horn, W. P. Kepner, J. Moreira, J. E. Pattnaik, P. IBM Res Thomas J Watson Res Ctr Yorktown Hts NY 10598 USA MIT Lincoln Lab Lexington MA 02420 USA

Cognitive applications are complex and are composed of multiple components exhibiting diverse workload behavior. Efficient execution of these applications requires systems that can effectively of handle this diversity. In this paper, we show that IBM POWER9 (TM) shared memory systems have the compute capacity and memory throughput to efficiently handle the broad spectrum of computing requirements for cognitive workloads. We first review the GraphBLAS interface defined for supporting cognitive applications, particularly whole-graph analytics. We show that this application-programming interface effectively separates the concerns between the analytics application developer and the system developer and simultaneously enables good performance by permitting system developers to make platform-specific optimizations. A linear algebra formulation and execution of betweenness centrality kernel in the High-Performance Computing Scalable Graph Analysis Benchmark, for 256 million vertices and 2 billion edges graphs, delivers a sixfold reduction in execution time over a reference implementation. Following that, we present the results of benchmarking the forward propagation step of deep neural networks (DNNs) written in GraphBLAS and executed on POWER9. We present the rationale and evidence for weight matrices of large DNNs being sparse and show that for sparse weight matrices, GraphBLAS/POWER (R) has a two orders-of-magnitude performance advantage over dense implementations. applications requiring analysis of graphs larger than several tens of billion vertices require distributed computing environments such as Apache Spark to provide resilience and parallelism. We show that when linear algebra techniques are implemented in an Apache Spark environment, we are able to leverage the parallelism available in POWER9 Servers.

关键词： Memory management Benchmark testing Parallel processing application programming interfaces Program processors Cognitive systems

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Designing and evaluating the usability of an API for real-time multimedia services in the Internet

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MULTIMEDIA TOOLS AND applicationS 2017年第12期76卷 14247-14304页

作者： Lopez-Fernandez, Luis Garcia, Boni Gallego, Micael Gortazar, Francisco Univ Rey Juan Carlos Camino Molino S-N Fuenlabrada 28943 Spain

In the last few years, multimedia technologies in general, and Real-Time multimedia Communications (RTC) in particular, are becoming mainstream among WWW and smartphone developers, who have an increasing interest in richer media capabilities for creating their applications. The engineering literature proposing novel algorithms, protocols and architectures for managing and processing multimedia information is currently overwhelming. However, most of these results do not arrive to applications due to the lack of simple and usable APIs. Interestingly, in this context in which APIs are the critical ingredient for reaching wide developer audiences, the scientific literature about multimedia APIs and their usability is scarce. In this paper we try to contribute to fill this gap by proposing the RTC Media API: a novel type of API designed with the aim of making simple for developers the use of latest trends in RTC multimedia including WebRTC, Video Content Analysis or Augmented Reality. We provide a specification of such API and discuss how it satisfies a set of design requirements including programming-language agnosticism, adaptation to cloud environments, support to multisensory multimedia, etc. After that, we describe an implementation of such an API that has been created in the context of the Kurento open source software project, and present a study evaluating the API usability performed in a group of more than 40 professional developers distributed worldwide. In the light of the obtained results, we conclude that the usability of the API is adequate across the main development activities (i.e. API learning, code creation and code maintenance), with an average usability score of 3.39 over 5 in a Likert scale, and that this result is robust with respect to developers' profiles, cultures, professional experiences and preferred programming languages.

关键词： Media server Real-time multimedia communications application programming interfaces WebRTC Multimedia processing Multimedia tools and applications Cognitive dimensions of notations

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Establishing the Wendelstein 7-X steady state plasma control and data acquisition system during the first operation phase

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FUSION ENGINEERING AND DESIGN 2017年 123卷 579-583页

作者： Spring, Anett Bluhm, Torsten Grahl, Michael Gruen, Martin Hennig, Christine Holtz, Andreas Krom, Jon Kuehner, Georg Laqua, Heike Lewerentz, Marc Riemann, Heike Werner, Andreas Max Planck Inst Plasma Phys Teilinst Greifswald Wendelsteinstr 1 D-17491 Greifswald Germany

The Wendelstein 7-X steady state plasma control and data acquisition system has been successfully commissioned and well established to investigate the plasma startup and run the first complex physics programs during the initial operation phase of W7-X. The main components of W7-X and a set of operational diagnostics have been integrated into the CoDaC system. The various different requests from the experimenters could be satisfied using the well established set of tools and interfaces - demonstrating their qualification for continuous operation. This paper summarizes the workflow from the users' point of view while presenting the main tools and interfaces for W7-X Segment Control. (C) 2017 The Authors. Published by Elsevier B.V.

关键词： Wendelstein 7-X Segment control Continuous operation Steady state User tools application programming interfaces

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Social networks' unnoticed influence on body image in Spanish university students

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TELEMATICS AND INFORMATICS 2017年第8期34卷 1685-1692页

作者： Aparicio-Martinez, P. Perea-Moreno, A. J. Martinez-Jimenez, M. P. Suarez-Varela Varo, I. Vaquero-Abellan, M. Univ Cordoba Dept Enfermeria Campus Menendez Pinal Cordoba Spain Univ Cordoba Dept Fis Aplicada CEIA3 Campus Rabanales E-14071 Cordoba Spain Hosp Univ Infanta Leonor Unidad Psiquiat Madrid Spain Univ Cordoba Dept Prevenc Riesgos Laborales & Medioambiente Cordoba Spain

The influence of advertising on social networks and its effect on young people's self-image has been studied. This study first explored the frequency of published videos reposted on social networks using different application programming interfaces as search engines. The study also implemented self-valuation surveys assessed by experts and distributed among mental health professionals who assessed the influence of these social networks. Finally, the survey was designed regarding social networks and body assessment and distributed among Cordoba university students (N = 328). The majority of health professionals concluded that there is an elevated influence of social networks on eating disorders, assessing advertising as a risk factor with a value of 4.60 out of 5. Young people's perceptions of their body image indicate that women's degree of satisfaction is highly correlated with the frequency of their connections to social networks, with the body image those women present and with the effect of advertising. Conversely, this high correlation and influence does not exist in men.

关键词： Social Networks Body image Eating disorders Advertising application programming interfaces University

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Designing an API at an appropriate abstraction level for programming social robot applications

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JOURNAL OF VISUAL LANGUAGES AND COMPUTING 2017年第Apr.期39卷 22-40页

作者： Diprose, James MacDonald, Bruce Hosking, John Plimmer, Beryl Univ Auckland Dept Comp Sci Auckland New Zealand Univ Auckland Dept Elect & Comp Engn Auckland New Zealand Univ Auckland Fac Sci Auckland New Zealand

Whilst robots are increasingly being deployed as social agents, it is still difficult to program them to interact socially. To create usable tools for programming these robots, tool developers need to know what abstraction levels are appropriate for programming social robot applications. We explore this through the iterative design and evaluation of an API for programming social robots. The results show that high level primitives, with a close mapping to social interaction, are suitable for programming social robot applications. However, the abstraction level should not be so high that it takes away too much control from programmers. This has the potential to enable programmers to produce high quality social robot applications with less programming effort. (C) 2017 Published by Elsevier Ltd.

关键词： application programming interfaces API Usability Design Cognitive dimensions Human robot interaction Social robot interaction Humanoid robot

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Increasing global access to the high-volume HIV drug nevirapine through process intensification

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GREEN CHEMISTRY 2017年第13期19卷 2986-2991页

作者： Verghese, Jenson Kong, Caleb J. Rivalti, Daniel Yu, Eric C. Krack, Rudy Alcazar, Jesus Manley, Julie B. McQuade, D. Tyler Ahmad, Saeed Belecki, Katherine Gupton, B. Frank Virginia Commonwealth Univ Dept Chem 601 W Main St Richmond VA 23220 USA Virginia Commonwealth Univ Dept Chem & Life Sci Engn 601 W Main St Richmond VA 23220 USA Janssen Res & Dev Neurosci Med Chem Jarama 75A Toledo 45007 Spain Guiding Green LLC 457 E Mier Rd Sanford MI 48657 USA Florida State Univ Dept Chem & Biochem 95 Chieftan Way Tallahassee FL 32306 USA DARPA Def Sci Off 675 North Randolph St Arlington VA 22203 USA

Access to affordable medications continues to be one of the most pressing issues for the treatment of disease in developing countries. For many drugs, synthesis of the active pharmaceutical ingredient (API) represents the most financially important and technically demanding element of pharmaceutical operations. Furthermore, the environmental impact of API processing has been well documented and is an area of continuing interest in green chemical operations. To improve drug access and affordability, we have developed a series of core principles that can be applied to a specific API, yielding dramatic improvements in chemical efficiency. We applied these principles to nevirapine, the first non-nucleoside reverse transcriptase inhibitor used in the treatment of HIV. The resulting ultra-efficient (91% isolated yield) and highly-consolidated (4 unit operations) route has been successfully developed and implemented through partnerships with philanthropic entities, increasing access to this essential medication. We anticipate an even broader global health impact when applying this model to other active ingredients.

关键词： application programming interfaces Pharmaceutical Preparations Access American Petroleum Institute ACTIVE INGREDIENTS Nevirapine HIV Reverse Transcriptase Inhibitors Process intensification AXIAL POWER INDICATOR API

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