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On the abstract processing of strings 关于字符串的抽象处理
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503590
R. J. McKenzie
{"title":"On the abstract processing of strings","authors":"R. J. McKenzie","doi":"10.1145/503561.503590","DOIUrl":"https://doi.org/10.1145/503561.503590","url":null,"abstract":"A facility capable of describing the basic processing of strings of symbols is introduced. Based upon the primative characteristics of string processing, the proposal is capable of being readily incorporated into a majority of general purpose procedural programming languages currently available. Also, the proposed techniques can be used to define the more sophisticated operations usually associated with specialized string processing languages.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122014372","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
Computerized system for evaluation of coronary artery disease by noninvasive techniques 用无创技术评估冠状动脉疾病的计算机系统
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503640
W. Bancroft, R. Swatzell, J. C. Baldone, M. Tucker, E. Eddleman
{"title":"Computerized system for evaluation of coronary artery disease by noninvasive techniques","authors":"W. Bancroft, R. Swatzell, J. C. Baldone, M. Tucker, E. Eddleman","doi":"10.1145/503561.503640","DOIUrl":"https://doi.org/10.1145/503561.503640","url":null,"abstract":"The accepted method of determining the presence and extent of coronary artery disease is by coronary angiography. A method of obtaining this information noninvasively is being developed. The kinetocardiogram, ballistocardiogram, vectorcardiogram, heart sounds, and carotid pulse pressure tracings have been recorded on analog tape from 903 patients. These patients have also been studied by the angiographic invasive techniques within 24 hours of the noninvasive study. A data processing system has been developed using one of the remote satellites to the Multiple Laboratory Computer Center of the University of Alabama. A technician interacting with this system selects usable portions of the analog records and controls the A to D conversion of the data. Calibration and time normalization is performed so that several heartbeats can be averaged together for each data source. The technician again has the opportunity to view the results and accept or reject them. Accepted data is spooled to magtape and merged with clinical records.Comparisons of mean curves of patients with similar coronary artery abnormalities indicate that there are significant differences. Preliminary statistical models using multiple regression techniques separate the seriously ill patients from those with less abnormality with 77% accuracy.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125984964","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 CAI approach to a user oriented interactive plotting system: SURIPS (southern's user interactive plotting system) 面向用户的交互式绘图系统的CAI方法:SURIPS(南方的用户交互式绘图系统)
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503612
Tommy G. Dearmond
{"title":"A CAI approach to a user oriented interactive plotting system: SURIPS (southern's user interactive plotting system)","authors":"Tommy G. Dearmond","doi":"10.1145/503561.503612","DOIUrl":"https://doi.org/10.1145/503561.503612","url":null,"abstract":"This paper describes an interactive, FORTRAN based graphics system which enables a researcher or student, unfamiliar with programming languages or specialized graphics routines, to rapidly develop the skills necessary for graphic analysis by letting the user \"bootstrap\" himself on the system. SURIPS utilizes a modular design in both its program structure and its approach to establishing the level of expertise of the current user.The command language of SURIPS is an English like structure and has been used successfully in several numerical analysis and statistics classes at the University of Southern Mississippi. As the users understanding of the techniques involved improves, he is able to utilize the more advanced features of SURIPS while retaining the error detection capabilities of the system.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"170 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131773605","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
An automated solution for Omega navigation Omega导航的自动化解决方案
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503624
A. Herman, A. Campbell
{"title":"An automated solution for Omega navigation","authors":"A. Herman, A. Campbell","doi":"10.1145/503561.503624","DOIUrl":"https://doi.org/10.1145/503561.503624","url":null,"abstract":"Omega is a commercially available, electronic, world wide navigation system. Navigators and other Omega users generally determine geographic positions from Omega lane counts either by scaling charts and tabulated corrections or by a programmed iterative technique. This paper describes an algorithm which determines position directly.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122456145","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
An efficient and portable strings processor 高效、便携的字符串处理器
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503591
J. Pinkert
{"title":"An efficient and portable strings processor","authors":"J. Pinkert","doi":"10.1145/503561.503591","DOIUrl":"https://doi.org/10.1145/503561.503591","url":null,"abstract":"In this paper the author discusses a string processing system designed to alleviate education and implementation problems normally associated with such systems. It is written as a set of FORTRAN subroutines using SAC-1 [1]. Hence, this system can be implemented almost anywhere, is easy to learn, and can be used in computer science classes with limited prerequisites.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129404215","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 simple algorithm for computing the inverse of a matrix 一个计算矩阵逆的简单算法
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503580
S. Iyengar, S. C. Jordon
{"title":"A simple algorithm for computing the inverse of a matrix","authors":"S. Iyengar, S. C. Jordon","doi":"10.1145/503561.503580","DOIUrl":"https://doi.org/10.1145/503561.503580","url":null,"abstract":"This paper describes an effective technique of finding the inverse of an n x n nonsingular matrix and a solution to a particular system of linear equations simultaneously. The algorithm described in this paper is a simple, direct process one which can be readily used on digital computers.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127567157","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
An interactive student information system 交互式学生信息系统
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503576
James E. Cofer
{"title":"An interactive student information system","authors":"James E. Cofer","doi":"10.1145/503561.503576","DOIUrl":"https://doi.org/10.1145/503561.503576","url":null,"abstract":"This paper describes an on-line interactive student information system designed for graduate level student information at Mississippi State University. It was designed with three objectives in mind. The first was to keep graduate students abreast of the requirements to be met for an advanced degree. The second objective was to aid the Office of Graduate Studies and the Registrar in certifying the completion of requirements for advanced degrees. Thirdly, the system was designed so that information retrieval for various colleges, departments and federal agencies could be accomplished without a time-consuming manual search of student records.A description of the software and data files is given, as well as a description of the major report forms produced by the system. In addition, the operation of the system will be briefly described.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134319245","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
The Petri net as a modeling tool Petri网作为建模工具
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503597
P. B. Thomas
{"title":"The Petri net as a modeling tool","authors":"P. B. Thomas","doi":"10.1145/503561.503597","DOIUrl":"https://doi.org/10.1145/503561.503597","url":null,"abstract":"The Petri net model is presented as a modeling tool for coordination of asynchronous processes. The Petri net is defined and shown to be both flexible in representing concurrency and easy to comprehend. An extended Petri net model is introduced, and its greater flexibility for coordination modeling is demonstrated. The Cigarette Smokers' Problem is modeled with a Petri net, and a Producer - Consumer Problem is solved with the extended Petri net. The net is briefly evaluated with mention of results of an experimental high-level language simulation of the extended Petri net.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131853935","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
Usage of an XPL based compiler generator system 使用基于XPL的编译器生成系统
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503567
M. Storm, J. A. Polk
{"title":"Usage of an XPL based compiler generator system","authors":"M. Storm, J. A. Polk","doi":"10.1145/503561.503567","DOIUrl":"https://doi.org/10.1145/503561.503567","url":null,"abstract":"This paper will discuss the expansion of an existing XPL compiler to include real arithmetic and formatted I/O. This was done at the University of Southern Mississippi on a Xerox Sigma 9 so that XPL can be used for numerical applications as well as giving the student user an introduction to the syntax of PL/I. The structure and use of the Compiler Generator will be traced through indicating what changes were made in the BNF grammar, the scanner, the semantic analyzer, and the runtime support facility.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125907379","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
Design considerations for a user oriented discrete-event simulation language 面向用户的离散事件仿真语言的设计考虑
ACM-SE 14 Pub Date : 1976-04-22 DOI: 10.1145/503561.503606
Mil Basom, Rafael A. Lizarazu, Robert Scott Pallack, Dimas K. Sanchez, P. Schluter, M. L. Schneider
{"title":"Design considerations for a user oriented discrete-event simulation language","authors":"Mil Basom, Rafael A. Lizarazu, Robert Scott Pallack, Dimas K. Sanchez, P. Schluter, M. L. Schneider","doi":"10.1145/503561.503606","DOIUrl":"https://doi.org/10.1145/503561.503606","url":null,"abstract":"Discrete event simulation languages can be described in terms of simulation perspective and language structure. A useful language should allow an emphasis to be placed on transactions, queues, and item flow. The language structure should be self-documenting, readable, and descriptive rather than algorithmic in philosophy. SIMFO, a newly designed language, provides the necessary definition of a system using a COBOL-like structure, and complying to the above requirements. A system can be defined in terms of the items, facilities, servers, queues, and item flow. Branching involves only an IF - - - THEN construction. Aside from summary information, all analyses are performed off-line.","PeriodicalId":151957,"journal":{"name":"ACM-SE 14","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130323783","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
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