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EUROMICRO Conference

作者： A. Postula S. Chen L. Jozwiak D. Abramson Department of Computer Science and Electrical Engineering University of Queensland Brisbane QLD Australia Faculty of Electrical Engineering Eindhovan University of Technology Eindhoven Netherlands School of Computer Science & Software Engineering Monash University Clayton Melbourne VIC Australia

This paper deals with methods of automated memory synthesis for Custom Computing Machines (CCMs). We focus the presentation on the synthesis of interleaved memory systems, which provide the quickest access to data at the cost of more parallel hardware. The synthesis of an interleaved memory system starts with the analysis of data access patterns in the algorithm, from which a number of possible storage schemes is derived. The storage scheme defines how the array elements can be distributed among different memory banks. The best storage scheme is then chosen according to a complex metric of cost and performance of the required memory system. This metric involves the schedule length of operations, the type and number of required memory chips, the cost and delay of address generation and the interconnection network. Results of our experiments demonstrate that the developed methods are capable to automatically synthesise storage schemes and interleaved memory systems, which are the same or better than those previously conceived by an experienced hardware designer.

关键词： Signal processing algorithms Hardware Digital signal processing Costs Data analysis computer science Algorithm design and analysis Storage automation computer architecture Parallel processing

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Royal Academy of Medicine in Ireland - Section of Bioengineering - Proceedings of meeting held in Dundalk, Co. Louth, in February 1998.

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IRISH JOURNAL OF MEDICAL SCIENCE 1998年第4期167卷 256-276页

作者： [Anonymous] Orthopaedic Research Unit The Queen’s University of Belfast School of Biomedical Sciences The Queen’s University of Belfast Howmedica International Ltd. Raheen Industrial Estate Limerick Department of Mechanical Engineering Trinity College Dublin 2 Mater Hospital Dublin 7 Orthopaedic Research Laboratory Århus University Hospital Denmark University of Limerick Limerick Limerick Regional Hospital Raheen Limerick Boston Scientific Ireland Ltd. Galway Department of Mechanical Engineering University College Dublin Dublin Department of Electrical and Electronic Engineering University College Dublin Dublin Bioengineering Research Centre Department of Mechanical Engineering University College Dublin Dublin Northern Ireland Bio-Engineering Centre (NIBEC) School of Electrical and Mechanical Engineering University of Ulster Newtownabbey Department of Mechanical & Manufacturing Engineering The Ashby Building The Queen’s University of Belfast Johnson and Johnson Professional Orthopaedic Division Queensway England Department of Cardiology and Department of Medical Physics & Bioengineering St. James’s Hospital Dublin 8 Burke House Ellison Street Castlebar Royal College of Surgeons in Ireland Department of Surgery Beaumont Hospital Dublin Department of Electronic and Electrical Engineering Trinity College Dublin 2 Department of Aeronautical Engineering The Queen’s University of Belfast Vascular Unit Belfast City Hospital Department of Medical Physics and Bioengineering St. James’s Hospital Dublin 8 Centre for Biomedical Electronics Department of Electronic and Computer Engineering University of Limerick Limerick Department of Mechanical and Aeronautical Engineering University of Limerick Limerick School of Health Sciences University of Ulster Ireland School of Physiotherapy University of Ulster Newtownabbey Clinical Engineering NI Medical Physics Agency Belfast and Radiology Royal Victoria Hospital Musgrave Park Hospital University of Limerick Biomedical Institute (ULBMI) Uni

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End-to-end QoS architecture for continuous media services

End-to-end QoS architecture for continuous media services

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International Workshop on Database and Expert Systems Applications

作者： K. Hashimoto J. Sato Y. Kohsaka Y. Shibata N. Shiratori Faculty of Software and Information Science Iwate Prefectural University Iwate Japan Department of Information and Computer Science Faculty of Engineering Toyo University Kawagoe Saitama Japan Research Institute of Electrical Communication University of Tohoku Sendai Japan

In order to realize multimedia applications such as VOD (Video-on-Demand) over highspeed networks, suitable QoS (Quality of Service) of the continuous media such as audio and video have to be guaranteed in accordance with users' requirements, available computing and network resources during the service session. In this paper, we introduce the Media Coordinate System which provides end-to-end QoS guarantee and negotiation functions consistently from the application through network layers. Within these QoS control functions we introduce a packet rate control method to reduce the packet loss, and a frame rate control method to maintain the frame rate at a constant under the dynamic load conditions. We implemented the media coordinate system as a prototyped Video-on-Demand system and evaluated the performance of these control functions. Through these performance evaluations, we could justify the usefulness of our suggested media coordinate system.

关键词： Streaming media Control systems Resource management Physical layer

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Priority Scheduling Versus Pre-Run-Time Scheduling

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IFAC Proceedings Volumes 1998年第14期31卷 53-60页

作者： J. Xu D.L. Parnas York University Department of Computer Science Toronto Ontario M3J 1P3 Canada McMaster University Department of Computing and Software Faculty of Engineering Hamilton Ontario L8S 4K1 Canada

Builders of real-time systems often use priority scheduling in their systems without considering alternatives. This paper examines one alternative, pre-run-time scheduling, and show that when it can be applied it has ... 详细信息

关键词： Real-time systems pre-run-time scheduling priority scheduling application constraints processor utilization system overhead schedulability

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Establishing experience factories at Daimler-Benz: an experience report 98

Establishing experience factories at Daimler-Benz: an experi...

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Proceedings of the 20th international conference on software engineering

作者： Frank Houdek Kurt Schneider Eva Wieser Daimler-Benz AG Research and Technology P.O. Box 23 60 89013 Ulm Germany and University of Ulm Faculty of Computer Science Dept. Software Engineering 89069 Ulm Germany Daimler-Benz AG Research and Technology P.O. Box 23 60 89013 Ulm Germany

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A hardware/software partitioning algorithm for designing pipelined ASIPs with least gate counts 96

A hardware/software partitioning algorithm for designing pip...

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Proceedings of the 33rd annual Design Automation Conference

作者： Nguyen Ngoc Bình Masaharu Imai Akichika Shiomi Nobuyuki Hikichi Department of Information and Computer Sciences Faculty of Engineering Science Osaka University Toyonaka-shi Osaka 560 Japan and Dept. of Information & Computer Sciences Toyohashi University of Technology Toyohashi 441 Japan Department of Computer Science Faculty of Information Shizuoka University Hamamatsu-shi 432 Japan and Dept. of Information & Computer Sciences Toyohashi University of Technology Toyohashi 441 Japan Dept. of Software Technology Software Research Associates Inc. Tokyo 170 Japan

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A method for understanding intentions of indirect speech acts in natural language interfaces

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SYSTEMS AND computerS IN JAPAN 1996年第1期27卷 77-91页

作者： Mima, H Aoe, J Fuketa, M Hayashi, Y Member Faculty of Engineering The University of Tokushima Tokushima Japan 770 Jun-ichi Aoe received his B.E. and M.E. degrees in Electronic Engineering from the University of Tokushima Tokushima Japan in 1974 and 1976 respectively and his Ph.D. degree in Communication Engineering from the University of Osaka Japan in 1980. Since 1976 he has been with the University of Tokushima. He is currently a Professor in the Department of Information Science and Intelligent Systems at the University of Tokushima. He is the author of about 50 scientific papers. His research interests include computer algorithms in software engineering and natural language processing. Dr. Aoe is editing Computer Algorithms Series of the IEEE Computer Society Press and author of two books: Computer Algorithms-Key Search Strategies in 1991 and String Pattern Matching Strategies in 1994. He received a Best Author Award from the Information Processing Society of Japan in 1993. He is a member of the Association for Computing Machinery the American Association for Artificial Intelligence the Association for Computational Linguistics and the Information Processing Society of Japan the Society for Software Science and Technology the Japanese Society for Artificial Intelligence and the Association for Natural Language Processing of Japan. Nonmember

In an attempt to propose a robust method for understanding natural language (NL) interface commands, a scheme is proposed that infers intentions from an indirect speech-act that does not express users' real intentions explicitly. This method classifies the real intentions of the indirect speech-act into: 1) refusal;2) reversal;3) restriction;4) benefit;and 5) disability. Further, concepts are abstracted for operations, e.g., displaying, moving, and deleting information systems;and constructing the operation knowledge base. This knowledge based comprises operational concepts and the relationships between them. These relationships are assigned the foregoing classifications for intentions. In addition, we construct the knowledge base of objects for the target of operations, e.g., files, figures, strings. This knowledge base contains the relationships: a) antonym;b) exclusive;c) part-of, between the objects;and uses these relations to infer the transitions between the objects. An algorithm is the proposed to infer concepts for operations and concepts for target objects of operations that may represent the user's actual intentions. This proposal scheme was tested with requests on UNIX and a commercially available Japanese Word Processor. The system successfully inferred the intentions for approximately 80 percent of the user's indirect speech-act.

关键词： natural language interface indirect speech act inference of intention

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Development and application of MCAL tools for marine radar instruction

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computer Applications in engineering Education 1995年第4期3卷 259-259页

作者： Guirguis, S. Korany, E. Abdel-Bary, A. Institute of Graduate Studies and Research Alexandria University Alexandria Egypt Shawkat K. Guirguis:obtained the BSc and M.Sc. degrees in Computer Science and Automatic Control Faculty of Engineering Alexandria University in 1981 and 1984 respectively. In 1988 he obtained a PhD degree in Electronics and Communications Faculty of Engineering Cairo University co-supervised by the Imperial College of Science and Technology University of London where he spent two years as an academic visitor. His current research interests include software quality management multimedia automatic programming and decision support systems. He is currently a lecturer of Computer Science at the Institute of Graduate Studies & Research Alexandria University. Ezzat A. Korany:received the BS degree in Electrical Engineering (Electronics Section) from the University of Alexandria Egypt in 1971 the MS degree in Electrical Engineering (Computer Section) from Ain Shams University Cairo Egypt in 1977 and the PhD degree in Electrical Engineering (Digital Systems) from Florida Institute of Technology U.S.A. in 1982. He is currently an associate professor of Computer Science at the Institute of Graduate Studies & Research University of Alexandria. His research interests are in data communications and multimedia applications computer networks image processing and pattern recognition. Abdel-Latif A. Abdel-Bary:obtained the BEng degree in Electronics Technology from Arab Maritime Transport Academy in 1986. In 1995 he obtained the MSc degree in Information Technology from the Institute of Graduate Studies & Research Alexandria University. His current research interests include ICAL hypermedia and automatic programming.

In this article a multimedia computer-assisted learning (MCAL) system is presented. The major objective of this work was to investigate the potential of using such systems as tools for transferring instructional course information through various types of computer media as opposed to the classic CAL systems. The philosophy and techniques employed to design the system are investigated. Usage of the implemented system and its merits have been illustrated through its application to teach engineering students and technicians the theory and concepts of marine radar. System design, implementation, test, and revision phases are presented and discussed.

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A DICTIONARY RETRIEVAL ALGORITHM USING 2 TRIE STRUCTURES

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SYSTEMS AND computerS IN JAPAN 1995年第2期26卷 85-97页

作者： MORIMOTO, K IRIGUCHI, H AOE, J Member Faculty of Engineering Tokushima University Tokushima Japan 770 Jun-ichi Aoe received his B.E. and M.E. degrees in 1974 and 1976 respectively from Tokushima Univ. where he was a Research Associate in the Dept. Inf. Fac. Eng. received his Ph.D. later. Presently Prof. Intel. Inf. He is engaged in research on compiler generation system and highly efficient pattern matching algorithm. Presently interestedin natural language processing especially understanding system. He is the author of “Computer Algorithms- Key Search Strategies” IEEE CS Press. Best Author Award 1992 Inf. Proc. Soc. Member Inf. Proc. Soc. Jap. Soc. Artif. Intel. Jap. Software Sci. Jap. Jap. Soc. Mach. Transl. IEEE ACM and AAAI.

The trie has the feature that the retrieval can be executed with the character symbols composing the key as the unit, and a high-speed retrieval is realized independently of the total number of keys. Consequently, it used frequently in the search of the natural language dictionary and in other problems. A problem, however, is that the number of trie states increases with the enlargement of the key set, which necessitates a larger memory capacity. To remedy this point, DAWG (Directed Acyclic Word-Graph) is proposed, where the common suffix of the tries is compressed. Then, a new problem arises in that the record information cannot be determined uniquely for the key. For this problem, this paper introduces a new structure, where the number of states is reduced by merging the common suffixes of the tries, while determining uniquely the record information for the key. The algorithm for retrieval, insertion and deletion of the key is proposed for the structure. In the proposed method, the set of keys is represented using two tries. One of the tries memorizes the prefix of the minimum length that can discriminate uniquely between the key from other keys. The other trie stores the suffixes of the remaining keys in order to merge the common suffix. A simulation is executed for various sets of keys such as Chinese character called Kanji, alphabets and Japanese Katakana characters, and it is seen that the number of states is reduced by approximately 30 to 65 percent for the key set of 50,000 words, compared to the ordinary trie.

关键词： NATURAL LANGUAGE PROCESSING TRIE STRUCTURE SEARCHING TECHNIQUE DICTIONARY SEARCHING

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Moss as a multimedia-object server 2nd

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2nd International Workshop on Advanced Teleservices and High-Speed Communication Architectures, IWACA 1994

作者： Käckenhoff, Rolf Merten, Detlef Meyer-Wegener, Klaus University of Erlangen-Nümberg Martensstraße 3 Erlangen91058 Germany Institute for Software-Engineering II Faculty of Computer Science Technical University of Dresden Dresden01062 Germany

ISBN: (纸本)9783540584940

Multimedia requires new techniques for storage and retrieval of data objects. Based on the concept of abstract data types MOSS is presented as a multimedia-object storage system to experiment with new methods of managing so-called single-medium objects (SMOs;pertaining to one medium only). SMO-sets are introduced as a means to group SMOs and to connect them with the data in a DBS. They also form the basis for content-based retrieval. The open, layered architecture of MOSS allows the separation of all media-related functionality into modules for medium-specific abstract datatypes. This is especially aimed at the design of new access methods that represent some of the semantic richness of SMOs and the employment of novel storage techniques to meet the requirements of the new media. Another focus of our work is the design of general interfaces between the modules. © 1994, Springer Verlag. All rights reserved.

关键词： Content based retrieval

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