Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139411
W. Khorshid, V. Rajlich
The authors present the design and implementation of VIPEG, a generator of environments for software maintenance. Environments generated by VIPEG extract information about software components and their interconnections, store it in a database, and make it available to software maintainers in a form which is easy to understand and work with. The generated environments consist of a graphical display, editing tools, a database to store programs, and a query system to retrieve information. The generator accepts specification of the target language in the Data Model Specification Language. An example of C language specification is described.<>
{"title":"VIPEG: a generator of environments for software maintenance","authors":"W. Khorshid, V. Rajlich","doi":"10.1109/CMPSAC.1990.139411","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139411","url":null,"abstract":"The authors present the design and implementation of VIPEG, a generator of environments for software maintenance. Environments generated by VIPEG extract information about software components and their interconnections, store it in a database, and make it available to software maintainers in a form which is easy to understand and work with. The generated environments consist of a graphical display, editing tools, a database to store programs, and a query system to retrieve information. The generator accepts specification of the target language in the Data Model Specification Language. An example of C language specification is described.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126004466","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139378
I. Sue Ranft, D. Gustafson
Attention is given to the software process model (SPM), which was introduced by A.L. Baker et al. (1987). The SPM models software development by modeling the evolution of the full set of documents produced in software development. The authors show the usefulness of the SPM as a management tool by applying it to a software project. Since the SPM shows patterns of the software product development in greater detail than the current tools available, it provides management with a more effective means of visualizing and controlling software projects. The SPM has the capability to alert management to problems during the development process. This was illustrated when the SPM indicated a problem during the design phase. The problem was made known by the pattern generated by the continuous changes to design specifications when initial code was completed. It was shown that the SPM can be used to ensure consistencies between documents. By plotting changes in documents, both developers and managers are alerted as to whether or not a change is incorporated in other documents.<>
{"title":"Using the software process model to analyze a software project","authors":"I. Sue Ranft, D. Gustafson","doi":"10.1109/CMPSAC.1990.139378","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139378","url":null,"abstract":"Attention is given to the software process model (SPM), which was introduced by A.L. Baker et al. (1987). The SPM models software development by modeling the evolution of the full set of documents produced in software development. The authors show the usefulness of the SPM as a management tool by applying it to a software project. Since the SPM shows patterns of the software product development in greater detail than the current tools available, it provides management with a more effective means of visualizing and controlling software projects. The SPM has the capability to alert management to problems during the development process. This was illustrated when the SPM indicated a problem during the design phase. The problem was made known by the pattern generated by the continuous changes to design specifications when initial code was completed. It was shown that the SPM can be used to ensure consistencies between documents. By plotting changes in documents, both developers and managers are alerted as to whether or not a change is incorporated in other documents.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124102342","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139425
K. Hwang, A. A. Kapauan, W. N. Toy
A new approach to customer-oriented end-to-end testing is proposed as an integral part of the architecture for enhancing the reliability of AT&T Bell Labs' products and the quality of their ISDN services. The basic idea is to create virtual customers who are constantly using the system as real customers, thereby continually exercising and monitoring the system's operations in a real working environment. Any potential system problem will thus be detected first by the virtual customers. Therefore, problems are expected to be corrected before any reaction from the paying customers. Such a proposal appears to be relatively simple. The important question concerns whether one can emulate the customers who can effectively set up end-to-end dialogs as done by real customers. The objective of this experiment on the 5ESS (electronic switching system) is to apply this technique to implement virtual customers as a means of on-line, real-time testing of the system's capability in providing high quality customers services. Although a very limited data collection has been taken, the on-line customer-service-oriented testing approach has been demonstrated to be an effective means of uncovering difficult problems in a real system environment.<>
{"title":"A unified hardware/software fault detection experiment in a 5ESS system","authors":"K. Hwang, A. A. Kapauan, W. N. Toy","doi":"10.1109/CMPSAC.1990.139425","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139425","url":null,"abstract":"A new approach to customer-oriented end-to-end testing is proposed as an integral part of the architecture for enhancing the reliability of AT&T Bell Labs' products and the quality of their ISDN services. The basic idea is to create virtual customers who are constantly using the system as real customers, thereby continually exercising and monitoring the system's operations in a real working environment. Any potential system problem will thus be detected first by the virtual customers. Therefore, problems are expected to be corrected before any reaction from the paying customers. Such a proposal appears to be relatively simple. The important question concerns whether one can emulate the customers who can effectively set up end-to-end dialogs as done by real customers. The objective of this experiment on the 5ESS (electronic switching system) is to apply this technique to implement virtual customers as a means of on-line, real-time testing of the system's capability in providing high quality customers services. Although a very limited data collection has been taken, the on-line customer-service-oriented testing approach has been demonstrated to be an effective means of uncovering difficult problems in a real system environment.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126412871","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139461
K. Kenny, Kwei-Jay Lin
A novel model for complex real-time systems is proposed. In this model, several versions of a program fragment are provided to perform a particular action. These versions will differ only in their performance parameters such as the time required, the resources consumed, and the precision of the results. The authors describe an implementation of a technique called performance polymorphism, in which the process of selecting a version from this set may be automated. Performance polymorphism is a unified theory to express the choice among multiple versions in a way that is both natural and powerful. It allows the flexibility of adding new versions at any time, of adapting to unforeseen constraints, and of adapting to automatically generated variants of a procedure (as, for example, might come from a parallelizing compiler). A means to implement the theory of performance polymorphism that requires very low overheads at run time has been developed.<>
{"title":"Implementing real-time systems using performance polymorphism","authors":"K. Kenny, Kwei-Jay Lin","doi":"10.1109/CMPSAC.1990.139461","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139461","url":null,"abstract":"A novel model for complex real-time systems is proposed. In this model, several versions of a program fragment are provided to perform a particular action. These versions will differ only in their performance parameters such as the time required, the resources consumed, and the precision of the results. The authors describe an implementation of a technique called performance polymorphism, in which the process of selecting a version from this set may be automated. Performance polymorphism is a unified theory to express the choice among multiple versions in a way that is both natural and powerful. It allows the flexibility of adding new versions at any time, of adapting to unforeseen constraints, and of adapting to automatically generated variants of a procedure (as, for example, might come from a parallelizing compiler). A means to implement the theory of performance polymorphism that requires very low overheads at run time has been developed.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132371103","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139390
Sharon M. Walter, J. Neal, C. Montgomery, S. Tyler
The session focuses on various stages and aspects of interface technology, from basic research to product development and marketing, and from systems accepting typed sequences of words to systems accepting human input from more than one hardware or software input device. Two topics are reported on in detail: intelligent multimedia interfaces and the utility of intelligent interfaces for complex applications.<>
{"title":"The status and future of interface technology","authors":"Sharon M. Walter, J. Neal, C. Montgomery, S. Tyler","doi":"10.1109/CMPSAC.1990.139390","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139390","url":null,"abstract":"The session focuses on various stages and aspects of interface technology, from basic research to product development and marketing, and from systems accepting typed sequences of words to systems accepting human input from more than one hardware or software input device. Two topics are reported on in detail: intelligent multimedia interfaces and the utility of intelligent interfaces for complex applications.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123245576","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139331
D. L. Harris
The practical application of cognitive psychology is addressed. A model for how human thought abstraction works is described, and then it is shown how that model was used as the framework for the design of the ATHENA expert system. The system is intended to assist engineers in quality assurance of database design.<>
{"title":"Cognitive building blocks of a database expert system","authors":"D. L. Harris","doi":"10.1109/CMPSAC.1990.139331","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139331","url":null,"abstract":"The practical application of cognitive psychology is addressed. A model for how human thought abstraction works is described, and then it is shown how that model was used as the framework for the design of the ATHENA expert system. The system is intended to assist engineers in quality assurance of database design.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123572826","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139409
Shi-Kuo Chang, Yi Deng
The authors introduce the concept of personalized user profile for very large databases, as well as the VisualNet model as a representation for such a user profile. A user profile is a small and dynamic structure which contains the user's knowledge of the database, serves as a starting point for the user's access to the database, and supports intelligent database accesses. The basic idea is that a user usually accesses only a very small and stable region of a very large database, and therefore, the size of the user profile is much smaller than the whole database view. It is hoped that most of the user's database search can be conducted in the user profile. Techniques for automatic construction and maintenance of user profiles are discussed. A set of visual reasoning algorithms is presented to support intelligent and interactive user's queries to the database, as well as to coordinate the search between the user profile and the global database.<>
{"title":"Intelligent database retrieval by visual reasoning","authors":"Shi-Kuo Chang, Yi Deng","doi":"10.1109/CMPSAC.1990.139409","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139409","url":null,"abstract":"The authors introduce the concept of personalized user profile for very large databases, as well as the VisualNet model as a representation for such a user profile. A user profile is a small and dynamic structure which contains the user's knowledge of the database, serves as a starting point for the user's access to the database, and supports intelligent database accesses. The basic idea is that a user usually accesses only a very small and stable region of a very large database, and therefore, the size of the user profile is much smaller than the whole database view. It is hoped that most of the user's database search can be conducted in the user profile. Techniques for automatic construction and maintenance of user profiles are discussed. A set of visual reasoning algorithms is presented to support intelligent and interactive user's queries to the database, as well as to coordinate the search between the user profile and the global database.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116495797","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139319
Kiyohiko Kajihara, Seiichi Yamazaki, T. Yamashita, Mitsutaka Ito
The authors present what is believed to be the first concrete object-oriented design (OOD) of a practical communication control system. First, all terms which are needed to describe target system behavior are unified by all designers, and listed. Next, objects are made from the term list, and operations found in target system behavior are added to the objects. The behavior of the target system is described by the objects. Finally, implementation modules are made from objects. The resulting OOD program is compared with a traditional functional decomposition design method program, and it shows an increase in extensibility and reliability, and a decrease in complexity.<>
{"title":"An application of object-oriented design for communication control systems","authors":"Kiyohiko Kajihara, Seiichi Yamazaki, T. Yamashita, Mitsutaka Ito","doi":"10.1109/CMPSAC.1990.139319","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139319","url":null,"abstract":"The authors present what is believed to be the first concrete object-oriented design (OOD) of a practical communication control system. First, all terms which are needed to describe target system behavior are unified by all designers, and listed. Next, objects are made from the term list, and operations found in target system behavior are added to the objects. The behavior of the target system is described by the objects. Finally, implementation modules are made from objects. The resulting OOD program is compared with a traditional functional decomposition design method program, and it shows an increase in extensibility and reliability, and a decrease in complexity.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114515499","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139469
J. Lonchamp, K. Benali, C. Godart, J. Derniame
Previous studies have led to a better understanding of the nature, the characteristics, and the implications of software process modeling and enacting. The authors attempt to reap the benefits of this better understanding, through an analysis of what should be a complete assisted development, in order to deduce a rich set of requirements and facilities for software process modeling and enacting, and to highlight and discuss some essential issues for the improvement of present proposals in the field of model driven IPSEs (integrated project support environments). Three well-known prototypes of assisted environments are examined: TRIAD/CML for the imperative approach, Marvel for the rule-based approach, and IPSE 2.5 for the object-oriented approach. Finally, the authors emphasize essential issues for future third-generation IPSEs: these new IPSEs must be real IPSEs, they must provide multiform assistance and cope with different kinds of processes including complex ones, and they must take into account dynamic evolution of software process models.<>
{"title":"Modeling and enacting software processes: an analysis","authors":"J. Lonchamp, K. Benali, C. Godart, J. Derniame","doi":"10.1109/CMPSAC.1990.139469","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139469","url":null,"abstract":"Previous studies have led to a better understanding of the nature, the characteristics, and the implications of software process modeling and enacting. The authors attempt to reap the benefits of this better understanding, through an analysis of what should be a complete assisted development, in order to deduce a rich set of requirements and facilities for software process modeling and enacting, and to highlight and discuss some essential issues for the improvement of present proposals in the field of model driven IPSEs (integrated project support environments). Three well-known prototypes of assisted environments are examined: TRIAD/CML for the imperative approach, Marvel for the rule-based approach, and IPSE 2.5 for the object-oriented approach. Finally, the authors emphasize essential issues for future third-generation IPSEs: these new IPSEs must be real IPSEs, they must provide multiform assistance and cope with different kinds of processes including complex ones, and they must take into account dynamic evolution of software process models.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117330272","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}
Pub Date : 1990-10-31DOI: 10.1109/CMPSAC.1990.139437
W. Shao, H. Soon
The authors describe a set of query techniques which helps to improve the efficiency of the query mechanism of expert systems. They discuss a number of algorithms and formulae for identifying a key feature set and deriving an ideal query sequence. The proposed algorithms aim to cut down the consultation time so as to increase the efficiency of the expert system. The query mechanism can be further enhanced by taking the cost factor of answering each query into consideration. This consideration will affect the value of the features, for the greater the cost required to obtain the answer, the less favorable is the query about that feature. This will lead to more realistic algorithms for finding a KFS (key feature set) and an ideal query sequence. The advantages and disadvantages of a static query mechanism are examined. The solution suggested is to employ a semi-dynamic mechanism. In this way, an appropriate threshold value for the number of patterns which remain undifferentiated has to be determined for the switching from the static to the dynamic mechanism before the suggested mechanism can improve the module.<>
{"title":"Intelligent query mechanism for expert systems","authors":"W. Shao, H. Soon","doi":"10.1109/CMPSAC.1990.139437","DOIUrl":"https://doi.org/10.1109/CMPSAC.1990.139437","url":null,"abstract":"The authors describe a set of query techniques which helps to improve the efficiency of the query mechanism of expert systems. They discuss a number of algorithms and formulae for identifying a key feature set and deriving an ideal query sequence. The proposed algorithms aim to cut down the consultation time so as to increase the efficiency of the expert system. The query mechanism can be further enhanced by taking the cost factor of answering each query into consideration. This consideration will affect the value of the features, for the greater the cost required to obtain the answer, the less favorable is the query about that feature. This will lead to more realistic algorithms for finding a KFS (key feature set) and an ideal query sequence. The advantages and disadvantages of a static query mechanism are examined. The solution suggested is to employ a semi-dynamic mechanism. In this way, an appropriate threshold value for the number of patterns which remain undifferentiated has to be determined for the switching from the static to the dynamic mechanism before the suggested mechanism can improve the module.<<ETX>>","PeriodicalId":127509,"journal":{"name":"Proceedings., Fourteenth Annual International Computer Software and Applications Conference","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116770633","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}
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