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BELL LABS TECHNICAL JOURNAL 1997年第3期2卷 194-206页

作者： Bergren, MH Bolliger, BD Earl, DT Grossmann, DL Ho, BW Thompson, RJ 5ESS Wireless Product Management Global 5ESS AMPS and System Software Department Lucent's Network Systems Naperville Illinois PCS Offer Engineering Lucent's Network Systems Naperville Illinois AMPS Systems Engineering Department Lucent's Network Systems Naperville Illinois Service Node Architecture and Performance Department Lucent's Network Systems Naperville Illinois AUTOPLEX® System 1000 Architecture and Estimation Group Lucent's Network Systems Naperville Illinois

Recent changes in the United States telecommunications industry-both regulatory and market driven-provide an environment for integrating wireless and wireline services and the infrastructure used to provide them. Changes in the industry have created competition in local access, deregulation that allows bundling of services and one-stop shopping, and multiple personal communication services (PCS) licensees, each with the desire to differentiate its service offering with value-added capabilities. Integrating wireless and wireline services enables service providers to offer a seamless wireless/wireline service and help control infrastructure and ongoing administrative costs. This paper highlights some advantages for integrating these systems in the U.S. market today. We describe a vision of the long-term services architecture for a functional solution and several near-term product concepts designed to provide an integrated wireless/wireline service.

关键词： Personal communication systems

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Fault management based on peer-to-peer paradigms

Fault management based on peer-to-peer paradigms

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10th IFIP/IEEE International Symposium on Integrated Network Management 2007, IM '07

作者： Leitner, Markus Leitner, Philipp Zach, Martin Collins, Sandra Fahy, Claire PSE-Program and System Engineering Siemens AG Austria Vienna Austria Ericsson RandD Ireland Network Management Research Centre Dublin Ireland TSSG-Telecommunications Software and Systems Group Waterford Institute of Technology Waterford Ireland

ISBN: (纸本)1424407990

We present an approach to fault management based on an architecture for distributed and collaborative network management as developed in the CELTIC project Madeira. It uses peer-to-peer communication facilities and a logical overlay network facilitating decentralized and iterative alarm processing and correlation. We argue that such an approach might help to overcome key challenges that are posed by NGN scenarios to traditional centralized network management systems. Its feasibility is demonstrated by means of a case study from the area of wireless mesh networks, where an application prototype has been developed. © 2007 IEEE.

关键词： Distributed computer systems

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Automatic Chest Radiology Report Generation Using Reinforcement Learning 7th

Automatic Chest Radiology Report Generation Using Reinforcem...

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7th International Conference on Intelligent Technologies, ICIT 2022

作者： Kourav, Mohit Agarwal, Saurabh Arya, K.V. Petrlik, Ivan Rodriguez, Ciro Multimedia and Information Security Research Group ABV-Indian Institute of Information Technology & Management Gwalior India Faculty of System Engineering Universidad Nacional Federico Villarreal Lima Peru Faculty of Software Engineering Universidad Nacional Mayor de San Marcos Lima Peru

ISBN: (纸本)9789819919116

Radiology report generation is the manual task assigned to radiologists which analyze the given chest image (x-ray) of patient and generates the report based on that analysis. Many of the research is undergoing in this field to make this process automatic. However, there are a large number of difficulties which have been faced by the researchers while developing the efficient automatic report generation model. The main difficulties include the generation of clinically inaccurate reports when analyzed with the reports of the expert radiologist. The introduction of deep learning based approaches achieved tremendous advancement in these areas and can produce chest X-ray reports in a more accurate manner. BY further optimizing the deep learning based approaches, we proposed a reinforcement learning-based model that generates automated X-ray reports based on input chest X-ray images. We also developed a lookahead inference mechanism to overcome the limitation of beam search, which selects words based on policy and value networks at each particular step of time. The proposed model achieved 0.454, 0.546, 0.466, 0.410, and 0.424 for the Bleu-1, Bleu-2, Bleu-3, Bleu-4, and Rouge evaluation metrics, respectively, surpassing all available state-of-the-art algorithms. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Reinforcement learning

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A Pair-Oriented Requirements engineering Approach for Analysing Multi-lingual Requirements

A Pair-Oriented Requirements Engineering Approach for Analys...

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1st Asia Pacific Requirements engineering Symposium, APRES 2014

作者： Kamalrudin, Massila Sidek, Safiah Salleh, Norsaremah Hosking, John Grundy, John Innovative Software System and Services Group Universiti Teknikal Malaysia Melaka Melaka Malaysia Department of Computer Science International Islamic University Malaysia 50728 Kuala Lumpur Malaysia College of Engineering and Computer Science Australian National University ACT ACT 0200 Australia Centre for Computing and Engineering Software Systems Swinburne University of Technology PO Box 218 Hawthorn VIC 3122 Australia

ISBN: (纸本)9783662436097

Requirements written in multiple languages can lead to error-proneness, inconsistency and incorrectness. In a Malaysian setting, software engineers are exposed to both Malay and English requirements. This can be a challenging task for them especially when capturing and analyzing requirements. Further, they face difficulties to model requirements using semi-formal or formal models. This paper introduces a new approach, Pair-Oriented Requirements engineering (PORE) that uses an Essential Use Case (EUC) model to capture and analyze multi-lingual requirements. This approach is intended to assist practitioners in developing correct and consistent requirements as well as developing teamwork skills. Two quasi-experiment studies involving 80 participants in the first study and 38 participants in a subsequent study were conducted to evaluate the effectiveness of this approach with respect to correctness and time spent in capturing multi-lingual requirements. It was found that PORE improves accuracy and hence helps users perform better in developing high quality requirements models. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Requirements engineering

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LIR-OSGi: Extends OSGi to support distributed and heterogeneous ubiquitous computing system

LIR-OSGi: Extends OSGi to support distributed and heterogene...

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2011 6th International Conference on Pervasive Computing and Applications, ICPCA 2011

作者： Liu, Jinzhao Lu, Xiaojuan Wang, Dan Liu, Xin Lu, Yongqiang Chen, Yu Dept. of Computer Science and Technology Beijing University of Technology Beijing China General Hospital PLA Second Artillery China Research Institute of Information Technology Key Laboratory of Pervasive Computing Ministry of Education Beijing China System Software and Software Engineering Group Laboratory of Pervasive Computing Dept. of Computer Science and Technology Beijing 100084 China

ISBN: (纸本)9781457702082

As an emerging portable service platform, OSGi is now taking a more and more important role in Ubiquitous Computing environment. As a module management framework, OSGi provides the functions of dynamic loading and unloading software modules at runtime. But its use is limited because it is centralized and single programming language supported. In this paper we present LIR-OSGi, an extended framework of OSGi, which is designed to add the distribution and programming language independence to OSGi. Meanwhile it is easy to use for developers because of the transparence of service invocation and automation of distribution. Not like OSGi which can be applied only on the Java platform, LIR-OSGi makes programs which may be written in different programming languages be able to call each other transparently so that it can be applied in many different platforms such as DotNet Framework and so on. This brings much convenience to the program development in a distributed and heterogeneous environment. © 2011 IEEE.

关键词： Middleware

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Towards Automatic Reconfiguration of Aviation software systems

Towards Automatic Reconfiguration of Aviation Software Syste...

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IEEE Annual Computer software and Applications Conference Workshops (COMPSACW)

作者： Stefan Burger Oliver Hummel Sensor and System Integration EADS Innovation Works Munich Germany Software Engineering Group University of Mannheim Germany

The development of embedded systems is currently experiencing a fundamental shift towards integrating more and more heterogeneous system building blocks into ever more complex composite systems. The aviation industry is especially hit by this development and suffers from a number of additional challenges such as long system life-times that are often significantly longer than those of individual microprocessors and other embedded devices. Since aviation software development is still often driven by the ongoing integration of new hardware it is about time to focus on a better componentization of avionic software systems. The new software architecture proposed in this paper is not only more maintainable than existing systems, it also allows for a semi-automatic integration of new hardware devices based on an automatic configuration and adaptation mechanism. As a result, airplane manufactures will be able to significantly reduce the (down-) times required to integrate new software and therewith hardware into the cabin of an airliner.

关键词： Hardware software Aerospace electronics Servers Switches Airplanes

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Evaluating dynamics and bottlenecks of memory collaboration in cluster systems 12

Evaluating dynamics and bottlenecks of memory collaboration ...

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12th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, CCGrid 2012

作者： Samih, Ahmad Wang, Ren Maciocco, Christian Tai, Tsung-Yuan Charlie Duan, Ronghui Duan, Jiangang Yan, Solihin Dept. of Electical and Computer Engineering North Carolina State University Raleigh NC United States System Architecture Lab. Intel Labs. Hillsboro OR United States Software and Services Group Intel Corp. Shanghai China

ISBN: (纸本)9780769546919

With the fast development of highly-integrated distributed systems (cluster systems), designers face interesting memory hierarchy design choices while attempting to avoid the notorious disk swapping. Swapping to the free remote memory through Memory Collaboration has demonstrated its cost-effectiveness compared to over provisioning the cluster for peak load requirements. Recent memory collaboration studies propose several ways on accessing the under-utilized remote memory in static system configurations, without detailed exploration of the dynamic memory collaboration. Dynamic collaboration is an important aspect given the run-time memory usage fluctuations in clustered systems. Further, as the interest in memory collaboration grows, it is crucial to understand the existing performance bottlenecks, overheads, and potential optimization. In this paper we address these two issues. First, we propose an Autonomous Collaborative Memory system (ACMS) that manages memory resources dynamically at run time to optimize performance. We implement a prototype realizing the proposed ACMS, experiment with a wide range of real-world applications, and show up to 3x performance speedup compared to a non-collaborative memory system without perceivable performance impact on nodes that provide memory. Second, we analyze, in depth, the end-to-end memory collaboration overhead and pinpoint the corresponding bottlenecks. © 2012 IEEE.

关键词： Cost effectiveness

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Fighting class name clashes in Java component systems

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2003年 2789卷 106-109页

作者： Hnětynka, Petr Tůma, Petr Distributed System Research Group Department of Software Engineering Charles University Malostranske namesti 25 118 00 Prague 1 Czech Republic

This paper deals with class and interface name clashes in Java component systems that occur because of evolutionary changes during the lifecycle of a component application. We show that the standard facilities of the Java type system do not provide a satisfactory way to deal with the name clashes, and present a solution based on administering the names of classes and interfaces with a version identifier using a byte code manipulation tool. We provide a proof of concept implementation. © Springer-Verlag Berlin Heidelberg 2003.

关键词： Java programming language

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UML4PF — A tool for problem-oriented requirements analysis

UML4PF — A tool for problem-oriented requirements analysis

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IEEE International Conference on Requirements engineering

作者： Isabelle Côté Maritta Heisel Holger Schmidt Denis Hatebur Software Engineering Group University Duisburg-Essen Duisburg Germany ITESYS Institute of Technology System GmbH Dortmund Germany

We present UML4PF, a tool for requirements analysis based on problem frames. It consists of a UML profile and an Eclipse-Plugin to model and analyze problem diagrams, derive specifications, and develop architectures.

关键词： Unified modeling language Context software Programming Computer architecture Generators systematics

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Trust factors in P2P networks

Trust factors in P2P networks

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1st IEEE International Workshop on Semantic Computing and systems, WSCS 2008

作者： Chen, Xue Chen, Guisheng Liu, Jin Luo, Xiangfeng Li, Xuhui Li, Bing Digital Content Computing and Semantic Grid Group Joint Lab. of Next-Generation Internet Interactive Computing Shanghai University 200072 China State Key Lab. of Software Engineering Wuhan University 430072 China Institute of Electronic System and Engineering of China Beijing 100039 China

ISBN: (纸本)9780769533162

P2P networks have become a popular way to share large volumes of data due to its open and anonymous nature. P2P network model is designed with the targets of decentralization, well-scaling, fault-tolerance and low cost. Meanwhile however, new targets bring new challenges. P2P network expose more security threats due to its open and anonymous nature. P2P networks are vulnerable to attacks by malicious peers that have an incentive to spread viruses, inauthentic data, or provide poor quality services. In this paper, we analyze the potential trust problems for different kinds of P2P networks, and then present the general trust factors that are indispensable for building trust models in any kinds of networks. © 2008 IEEE.

关键词： Peer to peer networks

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