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Conference on Multimedia Computing and Networking 1996

作者： Reynolds, PJ Beadle, HWP UNIV WOLLONGONG TELECOMMUN SOFTWARE RES CTRWOLLONGONGNSWAUSTRALIA

ISBN: (纸本)0819420417

The Communications Resource Manager (CRM) provides communications at a specified Quality of Service (QoS) for networked multimedia workstations in an environment where the network and workstation resources are changing. The CRM enables a consistent application interface and manages all workstation communications resources. It established network connections on behalf of applications, monitors their progress and notifies applications when network QoS events take place. applications can then modify their behavior (compression rate, number of simultaneous media, media type) to cope with the change. The CRM provides mechanisms to negotiate at call setup time the level of multimedia support provided. If optimal resources are not available, call quality degradation paths allow call establishment at the highest QoS possible. Call admission based on on-going network performance monitoring and application performance feedback from the CRM can be used to prevent further QoS degradation by refusing to attempt connections when insufficient resources are available. The CRM enables existing multimedia workstations to communicate in an environment with known QoS. The CRM flows naturally into emerging QoS techniques for end-to-end ATM services. Because the CRM operates at the application level it is also applicable to the ATM interconnection of LANs whereas current ATM Forum proposals are not.

关键词： quality of service multimedia communications multimedia workstations connection management application programming interface ATM networks

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Zonal Safety and Particular Risk Analysis for Aircraft Conceptual Design

Zonal Safety and Particular Risk Analysis for Aircraft Conce...

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AIAA Aviation Forum

作者： Bamrahi, Parush Liscouet-Hanke, Susan Tfaily, Ali Tamayo, Alvaro Concordia Univ Dept Mech Ind & Aerosp Engn Montreal PQ Canada Bombardier Adv Prod Dev Dorval PQ Canada Bombardier Res & Technol Dorval PQ Canada

ISBN: (数字)9781624107047

ISBN: (纸本)9781624107047

Safety Assessment is paramount in aircraft design, and increasing aircraft complexity has led to the need for aircraft safety assessments in the early design stages. For unconventional aircraft or aircraft with novel propulsion or system technologies, it becomes even more critical to investigate safety as early as possible in the design process to avoid unfeasible aircraft configurations and system architectures. In this context, the Particular Risk Analysis (PRA) and the Zonal Safety Analysis (ZSA) are essential to assess early. Both of them require a threedimensional (3D) model of the aircraft and systems. To analyze many aircraft configurations and system architectures, the 3D parametric model and the PRA and ZSA require automation. This paper reviews methodologies for performing the ZSA and PRA from a systems point-of-view and proposes parametric zone definition, identification of risk zones, and a conceptual level analysis of the component placement strategy. The effectiveness of the proposed approach is demonstrated with a main landing gear ZSA and a tire burst PRA case study for a conventional aircraft. The presented work is a step towards integrating system safety analysis into multidisciplinary analysis and optimization environments, thus increasing conceptual design maturity and reducing development time.

关键词： Aircraft Conceptual Design Aircraft Configurations System Architectures Aircraft Design Process Aircraft Safety Computer Aided Engineering application programming interface Air Transport Association of America OpenVSP Failure Modes and Effects Analysis

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Smart Home Care System with Fall Detection Based on the Android Platform

Smart Home Care System with Fall Detection Based on the Andr...

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IEEE International Conference on Systems, Man, and Cybernetics (SMC)

作者： Sung, Guo-Ming Wang, Hsin-Kwang Su, Wen-Ta Natl Taipei Univ Technol Dept Elect Engn Taipei Taiwan Natl Taipei Univ Technol Dept Chem Engn & Biotechnol Taipei Taiwan

ISBN: (纸本)9781728185262

In this paper, the authors propose a smart homecare system built on an Android smartphone. The database and application programming interface (API) are set up on the server side. The database collects information from various sensors and stores it, and the API acts as a bridge between the mobile phone and the database. The API prevents the leakage of private data. In the associated Android smartphone app, two functions are provided: instant monitoring based on in-home sensor data and fall detection using the three-axis accelerometer, gyroscope, and orientation sensor inbuilt into the smartphone. When the sensor data are abnormal, the remote controller is notified immediately. Moreover, the remote controller can view real-time images by using an IP camera to guarantee home safety. As for fall detection, given that falls cause severe injuries in elder people and children, the proposed app can detect a fall event, send a help message, and indicate the user's location by using the global positioning system and Google Maps API. According to the simulation results obtained in this study, the proposed system exhibited a fall-detection sensitivity of 92.5% and specificity of 97.6%, thus proving that the system can be effectively used for home care.

关键词： application programming interface fall detection home care IoT three-axis accelerometer

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Python API for Kactus2 IP-XACT tool 8

Python API for Kactus2 IP-XACT tool

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8th IEEE Nordic Circuits and Systems Conference (NorCAS)

作者： Pekkarinen, Esko Teuho, Mikko Hamalainen, Timo Tampere Univ SoC Design Grp Comp Sci Tampere Finland

ISBN: (数字)9798350345506

ISBN: (纸本)9798350345506

System-on-chip design is highly reliant on efficient tooling and commonly agreed standards. IP-XACT is the de-facto industry standard for exchanging design data, yet tool flows fail to fully leverage the information within. We present a Python application programming interface for Kactus2, an open-source IP-XACT design tool to improve the utilization of the standard in tool flows. The Python programming language is well understood, fast to develop and easy to interface with which motivated the language choice. We demonstrate the API applicability in a use case as a part of a recently taped-out System-on-Chip ASIC implementation.

关键词： IP-XACT Python application programming interface Kactus2 Tool flow

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Web-based technologies for teaching and using molecular simulation

Web-based technologies for teaching and using molecular simu...

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9th International Conference on Properties and Phase Equilibria for Product and Process Design

作者： Kofke, DA Mihalick, BC SUNY Buffalo Dept Chem Engn Buffalo NY 14260 USA

Computing power and molecular simulation methodology have improved dramatically over the past decade, and for some systems molecular models are reaching a point where they can provide information that approaches or surpasses the quality of real experimental data. Molecular simulation can also be a potent tool for developing qualitative understanding, and this feature suggests widespread use of molecular simulation as a tool for teaching. Broader use of molecular simulation for these purposes requires tools that promote understanding and application of simulation software. We present an "object-oriented" view of molecular simulation that can help conceptualize and organize its elements, and discuss software development tools that we have constructed that enable non-experts in simulation or graphical programming to create instructive molecular simulations. We finish with an example of one such simulation applet, which we have used in the classroom. Tools described here are available on the web at ***/etomica. (C) 2002 Elsevier Science B.V. All rights reserved.

关键词： molecular simulation application programming interface Java education software

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REST API Based Image Processing Interactive Person Tracking application 2

REST API Based Image Processing Interactive Person Tracking ...

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2017 International Conference on Computer Science and Engineering (UBMK)

作者： Balga, Mevlut Kagan Basciftci, Fatih Selcuk Univ Dept Comp Engn Konya Turkey

ISBN: (纸本)9781538609309

In today's conditions, parents have to work for home economics. For this reason, it is not always possible for parents to meet their children's needs, to protect them from dangers and to help them. Parents agree with a fee-paying caregiver to ensure that their children's needs are provided. Looking after a child by a caregiver can create a variety of security problems for the mother and the father. In addition, because of the child's development levels, there is always the possibility of encountering an extreme situation everywhere. This project has been developed for observing Alzheimer's patients as well as children. Alzheimer's disease is a disorder of phases. The individual with this disorder is in need of care after a certain level. For this reason, observation of the individuals with this disease and their caregivers is also important for safety. In this completed project, Raspberry Pi microcomputer has been used. A camera has been placed on the chest line. An image is taken every 5 minutes by the camera. This image is transferred to the REST API based web service. In addition, facial analysis has been performed on the photographs using image processing techniques. The faces found have been stored in a separate directory on the REST API based web service. The SIM808 GSM / GPS module has been used to enable the system to be active everywhere. Family members can follow the images transferred by the module with the help of the user panel in the web service.

关键词： Raspberry Pi camera application programming interface image processing attendant care

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A hybrid model for main bearing fatigue prognosis based on physics and machine learning

A hybrid model for main bearing fatigue prognosis based on p...

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AIAA Science and Technology Forum and Exposition (AIAA SciTech)

作者： Yucesan, Yigit Anil Viana, Felipe A. C. Univ Cent Florida Dept Mech & Aerosp Engn Orlando FL 32816 USA

ISBN: (数字)9781624105951

ISBN: (纸本)9781624105951

Unexpected main bearing failure on a wind turbine causes unwanted maintenance and increased operation costs (mainly due to crane, parts, labor, and production loss). Unfortunately, historical data indicates that failure can happen far earlier than the design lives of the component. Root cause analysis investigations have pointed to problems inherent from manufacturing as the major contributor, as well as issues related to event loads (e.g., startups, shutdowns, and emergency stops), extreme environmental conditions, and maintenance practices, among others. Altogether, the multiple failure modes and contributors make modeling remaining useful life of main bearings a very daunting task. In this paper, we present a novel physics-informed neural network modeling approach for main bearing fatigue. The proposed approach is fully hybrid and designed to merge physics-informed and data-driven layers within deep neural networks. The result is a cumulative damage model where the physics-informed layers are used model the relatively well-understood physics (L10 fatigue life) and the data-driven layers account for the hard to model components (e.g., contribution due to poor greasing conditions).

关键词： Vanishing Gradient Problem Artificial Neural Network Fatigue Life Wind Turbine Cumulative Damage Viscosity National Renewable Energy Laboratory Data Acquisition application programming interface Electrostatic Discharge

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An Unsupervised Approach for Discovering Relevant Tutorial Fragments for APIs 17

An Unsupervised Approach for Discovering Relevant Tutorial F...

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39th IEEE/ACM International Conference on Software Engineering (ICSE)

作者： Jiang, He Zhang, Jingxuan Ren, Zhilei Zhang, Tao Dalian Univ Technol Sch Software Dalian Peoples R China Key Lab Ubiquitous Network & Serv Software Liaoni Dalian Peoples R China Wuhan Univ State Key Lab Software Engn Wuhan Hubei Peoples R China Harbin Engn Univ Coll Comp Sci & Technol Harbin Heilongjiang Peoples R China

ISBN: (纸本)9781538638682

Developers increasingly rely on API tutorials to facilitate software development. However, it remains a challenging task for them to discover relevant API tutorial fragments explaining unfamiliar APIs. Existing supervised approaches suffer from the heavy burden of manually preparing corpus-specific annotated data and features. In this study, we propose a novel unsupervised approach, namely Fragment Recommender for APIs with PageRank and Topic model (FRAPT). FRAPT can well address two main challenges lying in the task and effectively determine relevant tutorial fragments for APIs. In FRAPT, a Fragment Parser is proposed to identify APIs in tutorial fragments and replace ambiguous pronouns and variables with related ontologies and API names, so as to address the pronoun and variable resolution challenge. Then, a Fragment Filter employs a set of non-explanatory detection rules to remove non-explanatory fragments, thus address the non-explanatory fragment identification challenge. Finally, two correlation scores are achieved and aggregated to determine relevant fragments for APIs, by applying both topic model and PageRank algorithm to the retained fragments. Extensive experiments over two publicly open tutorial corpora show that, FRAPT improves the state-of-the-art approach by 8.77% and 12.32% respectively in terms of F-Measure. The effectiveness of key components of FRAPT is also validated.

关键词： application programming interface PageRank Algorithm Topic Model Unsupervised Approaches

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Formatting work: Cloud platforms and the infrastructuring of capitalist asymmetries in software work

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CONVERGENCE-THE INTERNATIONAL JOURNAL OF RESEARCH INTO NEW MEDIA TECHNOLOGIES 2024年第6期30卷 2187-2211页

作者： Randerath, Sebastian Univ Bonn Bonn Germany

Since the 2000s, so-called cloud computing infrastructures have had a profound impact on the capitalist relationship among labor, software, and organizations. This infrastructuring did not only affect the outsourcing of servers and databases but extends to the on-demand delivery of middleware and operating systems through so-called platforms-as-a-service (PaaS). As a result, the capitalist relationship between labor, organization, power, and software has shifted - both regarding the ways in which software development is organized and the ways in which work processes are organized through software. Such a shift is particularly evident in the development and application of so-called customer relationship management (CRM) software, which is used to plan and record sales and work processes. No longer limited to performance measurement and automated management within sales processes, the widely used Salesforce CRM software is leveraged to document and assess the work performance of employees meticulously, among other applications. To demonstrate how PaaS became central organizational media by reformatting labor and power asymmetries, the paper provides a critical analysis of the CRM software of Salesforce and the various actors and interfaces entangled with its PaaS. Thereby, the paper develops a critical media theoretical framework to analyze how the political economy of adapting PaaS is entangled with power dependencies between organizations and the labor of coding and implementing. Drawing on a platform historiographical analysis of Salesforce developer interfaces, the paper shows how organizational hierarchies and asymmetries manifest in the work of implementing specific sets of operational rules in software development (the work of formatting) and the platform capitalist standardization of work coordination in existing organizations (the formatting of work).

关键词： Salesforce software-as-a-service platform-as-a-service platform capitalism software studies interface studies format customer relationship management application programming interface cloud computing

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API as Curriculum: Designing High-Level API Affordances as Instructional Scaffolds

API as Curriculum: Designing High-Level API Affordances as I...

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ACM CHI Conference on Human Factors in Computing Systems (CHI)

作者： Mechtley, Adam Unity Technol Core Engn DK-1153 Copenhagen Denmark

ISBN: (纸本)9781450368193

APIs have been recognized in the CHI community and beyond as designed objects worthy of usability analysis. Some work in this vein has investigated the learnability of APIs in particular. Drawing on activity theory, we argue that APIs can also potentially have broader learning consequences for their users. By mediating interactions with code, APIs can shape their users' understanding of computing problems. We thus suggest that, by envisioning high-level API affordances as scaffolds, API designers can not only enhance users' productivity, but they can also help drive adoption of software components attempting to radically innovate on their past inheritance. We propose scaffold design recommendations that can augment existing API usability frameworks.

关键词： application programming interface API usability data-oriented design computing education

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