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1st IEEE Conference on Network Softwarization (IEEE NETSOFT)

作者： Caba, Cosmin Soler, Jose DTU Fotonik Networks Technol & Serv Platforms Grp Lyngby Denmark

ISBN: (纸本)9781479978991

The OpenFlow (OF) protocol is widely used in Software Defined Networking (SDN) to realize the communication between the controller and forwarding devices. OF allows great flexibility in managing traffic flows. However, OF alone is not enough to build more complex SDN services that require complete control and management of the data plane (e.g. configurations of ports, queues, etc.). The current work contributes to the SDN ecosystem with the implementation of a plugin for the OVSDB protocol, for an existing SDN controller (SDNC). OVSDB complements OF with management functionality such as configuration of devices, ports, queues, etc. An application programming interface (API) for dynamic configuration of QoS resources in the network devices is implemented herein, by using the capabilities of OVSDB. Further, the paper demonstrates the possibility to create network services with coarse granularity on top of the fine granular services exposed by the QoS configuration API at the SDNC. A series of tests emphasize the capabilities and the performance of the implemented QoS configuration API.

关键词： Software Defined Networking OpenFlow QoS network management Open vSwitch application programming interface

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Real-time dynamic scheduling based adaptive ultrasound sequence programming for research and rapid prototyping

Real-time dynamic scheduling based adaptive ultrasound seque...

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IEEE International Ultrasonics Symposium (IUS)

作者： Tobias, Richard J. Wu, Bicheng William Parikh, Ashish Cephasonics Santa Clara CA 95051 USA

ISBN: (纸本)9781479981823

Over the past decade, a wide range of ultrasoundbased diagnostic and therapeutic applications have been developed based on the emergence of user-friendly, open-ended ultrasound research systems. Nevertheless, previous platforms relied on static list-based scheduling, which limited the user from adjusting scan parameters in real-time. The objective of this study is to demonstrate an innovative ultrasound engine and application programming interface (API) equipped with a real-time dynamic hardware scheduler that allows for flexible and adaptive sequence design. An example of real-time dynamic sequencing has been designed and implemented, where the delay time for implementing changes in imaging depth and Pulse Repetition Frequency (PRF) were compared between static and dynamic scheduling modes. The programming time improvements over traditional methods was 7576% for the changing the image depth and 4975% for changing the PRF.

关键词： adaptive scheduling biomedical ultrasonics rapid prototyping (industrial) application programming interface Pulse Repetition Frequency adaptive ultrasound sequence programming rapid prototyping real time dynamic hardware scheduler real time dynamic scheduling static list based scheduling ultrasound based diagnostic applications ultrasound based therapeutic applications ultrasound engine Delays Dynamic scheduling Hardware Real-time systems Schedules Sequential analysis Ultrasonic imaging

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Semi-automatic generation of an Object-Oriented API framework over semantic repositories 7

Semi-automatic generation of an Object-Oriented API framewor...

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International Conference on Intelligent Networking and Collaborative Systems (INCoS)

作者： Toti, Daniele Rinelli, Marco Univ Salerno Dept Comp & Elect Engn & Appl Math Fisciano SA Italy RAN Innovat Srl Rome Italy

ISBN: (纸本)9781467376952

This paper presents a system able to generate an abstraction framework over a RDF-based, semantic triplestore, offering Object-Oriented application programming interfaces to be made available for external applications. The system only requires a well-defined RDF schema and a minimal supervision by the user, and is able to produce all of the components of the API framework at their different layers, ranging from data source classes up to higher-level modules in terms of web service interfaces, in order to provide CRUD operations over the underlying semantic data. The system is sufficiently generic to accept any RDF repository with its schema as input, and can be easily configured to fine-tune the automatic generation of the API components to suit the needs of specific applications. The system has been deployed and tested on top of a large semantic repository featuring a schema where multiple real-world conceptualizations are defined, including one representing a learning model specifically designed for advanced e-learning management platforms.

关键词： semantic framework abstraction layer application programming interface object-oriented paradigm mapping middleware software triplestore ontology RDF SPARQL

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Harvest the Information from Multimedia Big Data in Global Camera Networks 1

Harvest the Information from Multimedia Big Data in Global C...

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IEEE First International Conference on Multimedia Big Data

作者： Su, Wei-Tsung Lu, Yung-Hsiang Kaseb, Ahmed S. Aletheia Univ Dept Comp Sci & Informat Engn New Taipei Taiwan Purdue Univ Sch Elect & Comp Engn W Lafayette IN USA

ISBN: (纸本)9781479986880

Many network cameras have been deployed for various purposes, such as monitoring traffic, watching natural scenes, and observing weather. The data from these cameras may provide valuable information about the world. This paper describes the unexplored opportunities and challenges to harvest the information in the global camera networks. A cloud-based system is proposed to harvest the information from many cameras in an efficient way. This system provides an application programming interface (API) that allows users to analyze the multimedia big data from many cameras simultaneously. Users may also store the data for off-line analysis. This system uses the cloud for computing and storage. Experiments demonstrate the ability to process millions of images from thousands of cameras within several hours.

关键词： multimedia big data camera networks cloud computing application programming interface

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Development of Information Technologies for Storage of Data of Instrumental Observation Networks of the Far Eastern Branch of the Russian Academy of Sciences 4th

Development of Information Technologies for Storage of Data ...

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4th International Young Scientists Conference on Computational Science (YSC)

作者： Sorokin, Aleksei A. Korolev, Sergey P. Polyakov, Andrey N. Russian Acad Sci Ctr Comp Far Eastern Branch Khabarovsk Russia Natl Res Ctr Kurchatov Inst Moscow Russia

The paper describes the development of information technologies for distributed storage of data of instrumental observation networks created by the Far Eastern Branch of the Russian Academy of Sciences (FEB RAS). The prime goal of the distributed storage design is to process a large amount of real-time seismological data and provide fast and secure access using a cloud storage platform based on OpenStack Swift. On its basis, the allocation of the corresponding data storage has been done. The interaction with storage using existing application software as well as an assessment of the effectiveness of the solution is described.

关键词： data files databases cloud computing network of instrumental observations structured scientific datasets archive automated information system application programming interface

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An Interactive Web-Based System Using Cloud for Large-Scale Visual Analytics

An Interactive Web-Based System Using Cloud for Large-Scale ...

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Conference on Imaging and Multimedia Analytics in a Web and Mobile World

作者： Kaseb, Ahmed S. Berry, Everett Rozolis, Erik McNulty, Kyle Bontrager, Seth Koh, Youngsol Lu, Yung-Hsiang Delp, Edward J. Purdue Univ Sch Elect & Comp Engn W Lafayette IN 47907 USA

ISBN: (纸本)9781628414981

Network cameras have been growing rapidly in recent years. Thousands of public network cameras provide tremendous amount of visual information about the environment. There is a need to analyze this valuable information for a better understanding of the world around us. This paper presents an interactive web-based system that enables users to execute image analysis and computer vision techniques on a large scale to analyze the data from more than 65,000 worldwide cameras. This paper focuses on how to use both the system's website and application programming interface (API). Given a computer program that analyzes a single frame, the user needs to make only slight changes to the existing program and choose the cameras to analyze. The system handles the heterogeneity of the geographically distributed cameras, e.g. different brands, resolutions. The system allocates and manages Amazon EC2 and Windows Azure cloud resources to meet the analysis requirements.

关键词： Visual Analytics Interactive Website application programming interface Network Camera Cloud Computing

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An Adaptive Framework for Applying Cloud Computing In Virtual Learning Environment at Education a Case Study of "AASTMT"

An Adaptive Framework for Applying Cloud Computing In Virtua...

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International Conference on Communications, Management, and Information Technology (ICCMIT)

作者： Hegazy, Abdel Fatah Khedr, Ayman E. Al Geddawy, Yasser Arab Acad Sci Technol & Maritime Transport Coll Comp & Informat Technol Cairo Egypt Future Univ Fac Comp & Informat Technol Dept Informat Syst Cairo Egypt Arab Acad Sci Technol & Maritime Transport Dept Business Informat Syst Cairo Egypt

This study aims to provide a Cloud Computing (CC) proposed framework using application programming interface (API's) to deliver connectivity and interaction of Software as a Service (SaaS) in Virtual Learning Environment (VLE) system at higher education institute. The framework is adopted and implemented to enhance the existing VLE to meet the incremental increasing of users' needs and expectations. Different research's methodologies and techniques are used to measure the students and instructors satisfaction, and to measure the impact of the adoption of CC on business value for VLE as well. In addition, the study identifies and explores the idea of covering the gap between the advance of adopting CC as a new technology and the benefits of implementing cloud techniques in education. The findings of implementing the adopted framework equate the study expectations, where the user's satisfaction significantly increased compared with the existing system. The users found that the system performance and response to their tasks are improved. Meanwhile, the users found that the new adopted system make it easier for them to achieve their academic activities and goals. (C) 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://***/licenses/by-nc-nd/4.0/). Peer-review under responsibility of Universal Society for Applied Research

关键词： Cloud Computing Virtual Learning Environments Software as a Service application programming interface

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An Approach to Problem-oriented interfaces for applications in Distributed Computing Systems

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Procedia Computer Science 2015年 66卷 458-467页

作者： Aleksei A. Sorokin Sergey P. Korolev Sergey I. Malkovsky Alexei G. Tarasov Konstantin V. Mikhailov Computing Center of the Far Eastern Branch Russian Academy of Sciences Khabarovsk Russia

The paper describes the implementation of an efficient user interface for applied software in distributed computing systems. As part of this work, a software platform has been developed for the formation of problem-oriented interfaces for application software packages and components of distributed computing systems. The main purpose of the system is to simplify the input of technical settings, launch specific jobs if required and monitor all intermediate processes. Thus, it provides an intuitive user interface for working directly with an application system, and does not require knowledge of low-level operations. Using web services and modern information technology, the developed platform makes it possible to create a set of simple and convenient interfaces for researchers who use high-performance computer systems in their work. As an example, we describe the adaptation of the FHI98md code for a Grid system.

关键词： distributed computing systems problem-oriented interface database Representational State Transfer JavaScript Object Notation application programming interface web services Grid FHI98md.

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Development of Information Technologies for Storage of Data of Instrumental Observation Networks of the Far Eastern Branch of the Russian Academy of Sciences

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Procedia Computer Science 2015年 66卷 584-591页

作者： Aleksei A. Sorokin Sergey P. Korolev Andrey N. Polyakov Computing Center of the Far Eastern Branch Russian Academy of Sciences Khabarovsk Russia National Research Centre “Kurchatov institute” Moscow Russia

关键词： data files databases cloud computing network of instrumental observations structured scientific datasets archive automated information system application programming interface

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Wanderer, an interactive viewer to explore DNA methylation and gene expression data in human cancer

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EPIGENETICS & CHROMATIN 2015年第1期8卷 22-22页

作者： Diez-Villanueva, Anna Mallona, Izaskun Peinado, Miguel A. Inst Predict & Personalized Med Canc IMPPC Badalona 08916 Spain Hlth Res Inst Germans Trias & Pujol IGTP Badalona 08916 Spain

Background: The Cancer Genome Atlas (TCGA) offers a multilayered view of genomics and epigenomics data of many human cancer types. However, the retrieval of expression and methylation data from TCGA is a cumbersome and time-consuming task. Results: Wanderer is an intuitive Web tool allowing real time access and visualization of gene expression and DNA methylation profiles from TCGA. Given a gene query and selection of a TCGA dataset (e.g., colon adenocarcinomas), the Web resource provides the expression profile, at the single exon level, and the DNA methylation levels of HumanMethylation450 BeadChip loci inside or in the vicinity of the queried gene. Graphic and table outputs include individual and summary data as well as statistical tests, allowing the comparison of tumor and normal profiles and the exploration along the genomic locus and across tumor collections. Conclusions: Wanderer offers a simple interface to straightforward access to TCGA data, amenable to experimentalists and clinicians without bioinformatics expertise. Wanderer may be accessed at http://***/wanderer.

关键词： application programming interface Glyph Epigenomics Data Bioinformatics Skill Zinc Transporter ZIP14

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