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Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)最新文献

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SOPView+: an object browser which supports navigating database by changing base object SOPView+:一个对象浏览器，支持通过改变基本对象来导航数据库
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624770
Sung-Woo Chang, Hyoung-Joo Kim
{"title":"SOPView+: an object browser which supports navigating database by changing base object","authors":"Sung-Woo Chang, Hyoung-Joo Kim","doi":"10.1109/CMPSAC.1997.624770","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624770","url":null,"abstract":"We present the design and implementation of SOPView+, an object browser that supports navigation of a large database by changing the base object. The base object is an object which is a basis for navigation; forward navigation is provided for the reference paths ahead of the base object and backward navigation for the ones behind it. SOPView+ allows users to change the base object along the reference hierarchy among a number of database objects; this makes it possible for them to explore a large database until they find objects of their interest on the limited screen space, solving the screen real estate problem. SOPView+ also supports extended synchronized browsing, which synchronizes displaying objects along both forward and backward navigational paths.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121140258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Object-oriented evolutionary database design for software metrics data 面向对象的软件度量数据演化数据库设计
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624730
R. Paul, T. Kunii, Y. Shinagawa, A. Ghafoor
{"title":"Object-oriented evolutionary database design for software metrics data","authors":"R. Paul, T. Kunii, Y. Shinagawa, A. Ghafoor","doi":"10.1109/CMPSAC.1997.624730","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624730","url":null,"abstract":"The authors present an approach to manage evolutionary changes that take place over time in an object-oriented software metrics database schema. The framework is based on the entity-relation (E-R) model and uses a recursive graph structure, known as R-graph, to support the views of software quality and risk. The fundamental mechanism for abstracting views is the introduction of two semantic operators for the R-graph. These operators are proposed based on graph-based predicates and Petri-net based predicate formalism for view abstraction.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114744704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A formal approach to software components classification and retrieval 软件组件分类和检索的形式化方法
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624812
Chao-Tsun Chang, W. Chu, Chung-Shyan Liu, Hongji Yang
{"title":"A formal approach to software components classification and retrieval","authors":"Chao-Tsun Chang, W. Chu, Chung-Shyan Liu, Hongji Yang","doi":"10.1109/CMPSAC.1997.624812","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624812","url":null,"abstract":"We propose an approach to reuse-based software development using a formal method. In our approach, each software component is annotated with a set of predicates to formally describe the component and is classified using a faceted scheme. A user may retrieve components from the library using either keywords or predicates. When a component is retrieved, it is checked to determine if it matches the requirements. Then, the component is integrated with the designed system, along its required functionalities. The integrated component/system as transformed into a Predicate/Transition net (PrT net) to perform consistency checking. If there is no inconsistency, the component may be adapted or incorporated directly. Otherwise, the conditions that cause the inconsistency will be revealed. The user may decide to search the library again by modifying the query specification and restart the whole process, or to terminate the search.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130093721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
DRDB: a distributed real-time database server for high-assurance time-critical applications DRDB:分布式实时数据库服务器，用于高保证时间关键型应用
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624996
S. Son, R. Beckinger, David A. Baker
{"title":"DRDB: a distributed real-time database server for high-assurance time-critical applications","authors":"S. Son, R. Beckinger, David A. Baker","doi":"10.1109/CMPSAC.1997.624996","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624996","url":null,"abstract":"Many real time database systems are now being used in safety critical applications, in which human lives or expensive machinery may be at stake. Transactions in real time databases should be scheduled considering both data consistency and timing constraints. In addition, a real time database must adapt to changes in the operating environment and guarantee the completion of critical tasks. The effects of scheduling decisions and concurrency control mechanisms for real time database systems have typically been demonstrated in a simulated environment. We present a functional real time database server called DRDB, which provides an operational platform for research in distributed real time database issues.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117094417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A parallel hash-based join algorithm for a networked cluster of multiprocessor nodes 多处理器节点网络集群的并行哈希连接算法
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.625094
Y. Jiang, A. Makinouchi
{"title":"A parallel hash-based join algorithm for a networked cluster of multiprocessor nodes","authors":"Y. Jiang, A. Makinouchi","doi":"10.1109/CMPSAC.1997.625094","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.625094","url":null,"abstract":"Hash joins are expensive and important operations in relational database systems. Developing parallel hash join algorithms is known as an efficient method to improve their performance. Since a parallel processing environment of a networked cluster of nodes is widely available for its advantages of low-cost, high speed and ease of use, we developed a parallel hash-based join algorithm in a networked cluster of multiprocessor nodes. The parallel hash-based join algorithm has two features. One is that it takes advantage of parallel and distributed environments in which shared-memory multiprocessor computers are nodes of a networked cluster. The other is that a distributed shared virtual space is integrated into the design of the parallel hash-based join algorithm so as to facilitate the algorithm and its implementation. In this paper, we present the ideas of design, describe the parallel hash-based join algorithm, show the performance evaluation of it, as well as give a dynamic changing message model for the presence of skew.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"21 2B 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123467162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
On QOS mapping in multimedia networks 多媒体网络中的QOS映射
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624845
Jean-François Huard, A. Lazar
{"title":"On QOS mapping in multimedia networks","authors":"Jean-François Huard, A. Lazar","doi":"10.1109/CMPSAC.1997.624845","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624845","url":null,"abstract":"A framework for studying ATM network QOS mapping between various levels in the information transport protocol stack and a platform for evaluating the mapping rules by performing concurrent network and application level measurements of QOS are presented. An empirical loss mapping rule between the application (frame) level and network (cell) level is given. The rule was tested using two 10 minute motion JPEG video clips and a 30 minute MPEG-2 VBR video clip under 55 different network load conditions and gives results within a 3% error margin.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124189876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 47
Task.o object modeling approach for robot workcell programming 的任务。机器人工作单元编程的对象建模方法
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624772
Gyu-Tae Kim, S. Cha, Doo-Hwan Bae
{"title":"Task.o object modeling approach for robot workcell programming","authors":"Gyu-Tae Kim, S. Cha, Doo-Hwan Bae","doi":"10.1109/CMPSAC.1997.624772","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624772","url":null,"abstract":"Robot workcell programming is an application where object oriented programming paradigms can be effectively applied to handle the issues such as concurrency and autonomy. We present an object model named Task.o, and Task object Coupling (ToC) programming technique which uses Task.o objects. This approach is designed to increase the level of reusability, expandability, modifiability, and productivity. We define the development steps of using the Task.o object model and the ToC technique and demonstrate each step.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126333330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Implementation considerations for Mobile IP 移动IP的实现考虑
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.625053
Yuh-Rong Leu, Chun-Lai Cheng
{"title":"Implementation considerations for Mobile IP","authors":"Yuh-Rong Leu, Chun-Lai Cheng","doi":"10.1109/CMPSAC.1997.625053","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.625053","url":null,"abstract":"The Mobile IP protocol allows transparent routing of IP datagrams on the Internet. Each mobile node is identified by its home address disregarding its current location in the Internet. While away from home, a mobile node is associated with a care-of address which gives information about its current location. Mobile IP specifies how a mobile node registers with its home agent and how the home agent routes datagrams to the mobile node through a tunnel. The authors first outline the Mobile IP protocol and its extension mechanism defined for carrying information. They then present the architecture of their working implementation which is based on objected-oriented methodology. Finally some implementation considerations and challenges for Mobile IP are investigated.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"316 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132422925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Software measurement in the U.S. Army 美国陆军的软件测量
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.625076
D. S. Lucero
{"title":"Software measurement in the U.S. Army","authors":"D. S. Lucero","doi":"10.1109/CMPSAC.1997.625076","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.625076","url":null,"abstract":"Many means for organizing software measures have been developed over the years. The Army has found that the larger the organization, the higher in the hierarchy the requirement for software measurement needs to be stated. The reason for this stems from the growing diversity of developers in larger organizations. Small organizations that have a well defined process for developing software, or a common set of software development tools, can require that specific data elements be collected, or specific measurements be taken. If larger organizations attempting to impose such specific requirements on developers are likely to meet some resistance, a tight policy does not allow for variation in development processes and development tools. With software development centers building air defense systems in Huntsville, Alabama; command and control systems in Monmouth, New Jersey; logistics systems in Petersburg, Virginia; personnel systems in Fairfax, Virginia; communications systems in Sierra Vista, Arizona; aviation systems in St. Louis, Missouri, armor systems in Picatinny, New Jersey and Detroit Michigan, and engineering systems at various locations throughout the US, the Army must have a policy for software measurement that puts in place flexible reporting requirements, yet provides training and support tailored to the needs of specific programs.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134524061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Autonomous decentralized software structure for integration of information and control systems 用于信息和控制系统集成的自主分散软件结构
Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97) Pub Date : 1997-08-11 DOI: 10.1109/CMPSAC.1997.624965
T. Aizono, K. Kawano, H. Wataya, K. Mori
{"title":"Autonomous decentralized software structure for integration of information and control systems","authors":"T. Aizono, K. Kawano, H. Wataya, K. Mori","doi":"10.1109/CMPSAC.1997.624965","DOIUrl":"https://doi.org/10.1109/CMPSAC.1997.624965","url":null,"abstract":"A new software structure for integrating information and control systems has been developed. In conventional manufacturing systems, these two kinds of systems are separated and connected by gateways in a hierarchical structure. Both systems need to be integrated, however, in order to increase productivity and to enable the systems to be modified frequently. Timely production and frequent rescheduling of production are required in order to meet rapid changes in customer demands. These integrated systems must also be expandable and flexible. The differences of properties between information and control systems had made it impossible to integrate these systems, so an autonomous decentralized software structure implemented using three new technologies is proposed. These technologies are a timer trigger mechanism that manages the triggering of different kinds of information and control application programs, an interface management mechanism that manages different kinds of data received by these programs, and a message filtering mechanism that segregates the messages transmitted among heterogeneous applications and thus prevents the different applications from interrupting each other's operations. This new software structure has been applied to manufacturing systems, and the effectiveness of the proposed technologies has been confirmed.","PeriodicalId":199960,"journal":{"name":"Proceedings Twenty-First Annual International Computer Software and Applications Conference (COMPSAC'97)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133551052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
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