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AFIPS '72 (Fall, part I)最新文献

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The in-house computer department 内部计算机部门
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480005
John J. Pendray
{"title":"The in-house computer department","authors":"John J. Pendray","doi":"10.1145/1479992.1480005","DOIUrl":"https://doi.org/10.1145/1479992.1480005","url":null,"abstract":"Over fifteen years ago, in some inner recess of some large corporation, a perplexed company official stood pondering before a large corporate organizational chart on his office wall. In his hand he held a small square of paper on which the words \"Computer Department\" were inscribed. Behold one of the modern frontiersmen of twentieth century business: the first man to try to stick the in-house computer department on the company organizational chart. He probably failed to find a place with which he felt comfortable, thereby becoming the first of many who have failed to resolve this problem.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129451455","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 production implementation of an associative array processor: STARAN 关联数组处理器的生产实现:STARAN
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480023
J. Rudolph
{"title":"A production implementation of an associative array processor: STARAN","authors":"J. Rudolph","doi":"10.1145/1479992.1480023","DOIUrl":"https://doi.org/10.1145/1479992.1480023","url":null,"abstract":"The associative or content-addressed memory has been an attractive concept to computer designers ever since Slade and McMahon's 1957 paper described a \"catalog\" memory. Associative memories offered relief from the continuing problem presented by the typical coordinate-addressed memory which requires that an \"address\" be obtained or calculated before data stored at that address may be retrieved. The associative memory could acquire in a single memory access any data from memory without pre-knowledge of its location. Ordered files and sorting operations could be eliminated. Unfortunately, early associative memories were expensive, hence none found their way as the \"main frame\" memory into any commercial computer design.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130540711","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: 105
A methodology for computer model building 计算机模型建立的方法
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480032
A. DeCegama
{"title":"A methodology for computer model building","authors":"A. DeCegama","doi":"10.1145/1479992.1480032","DOIUrl":"https://doi.org/10.1145/1479992.1480032","url":null,"abstract":"System performance evaluation techniques are of vital importance in the system design process. As depicted schematically in Figure 1, the selection of the design variables is generally accomplished by an iterative process in which the evaluation of the system cost and performance plays a crucial part.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129099238","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
Privacy and security in databank systems: measures of effectiveness, costs, and protector-intruder interactions 数据库系统中的隐私和安全:有效性、成本和保护者-入侵者交互的度量
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480052
R. Turn, N. Shapiro
{"title":"Privacy and security in databank systems: measures of effectiveness, costs, and protector-intruder interactions","authors":"R. Turn, N. Shapiro","doi":"10.1145/1479992.1480052","DOIUrl":"https://doi.org/10.1145/1479992.1480052","url":null,"abstract":"The nearly seven years of concern with data privacy and security in computerized information systems have produced a variety of hardware and software techniques for protecting sensitive information against unauthorized access or modification. However, systematic procedures for cost-effective implementation of these safeguards are still lacking.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134289254","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: 24
Snapshot 1971: how Canada organizes information about people 快照1971:加拿大如何组织人们的信息
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480053
John Millar Carroll
{"title":"Snapshot 1971: how Canada organizes information about people","authors":"John Millar Carroll","doi":"10.1145/1479992.1480053","DOIUrl":"https://doi.org/10.1145/1479992.1480053","url":null,"abstract":"In 1971 the Government of Canada initiated a study to determine whether the computerization of personally identifiable records concerning or describing Canadian residents would diminish their quality of life or adversely affect their life chances, and to propose remedial action in the event this premise proved to be true.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134501444","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
Procedures for increasing fault coverage for digital networks 增加数字网络故障覆盖率的程序
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480043
L. R. Hoover, J. H. Tracey
{"title":"Procedures for increasing fault coverage for digital networks","authors":"L. R. Hoover, J. H. Tracey","doi":"10.1145/1479992.1480043","DOIUrl":"https://doi.org/10.1145/1479992.1480043","url":null,"abstract":"The following definition for a fault detection test (<i>fdt</i>) will be used throughout this paper: an input sequence <i>x</i> (of length one or more) for a given network <i>m</i> is a fault detection test for fault <i>f</i><sup><i>i</i></sup>, located in <i>m</i>, if the output response to <i>x</i> for <i>m</i> with no faults present and the output response to <i>x</i> for <i>m</i> with <i>f</i><sup><i>i</i></sup> present, differ.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124397233","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
Microtext: the design of a microprogrammed finite state search machine for full-text retrieval 微文本:用于全文检索的微程序有限状态搜索机的设计
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480059
R. Bullen, J. Millen
{"title":"Microtext: the design of a microprogrammed finite state search machine for full-text retrieval","authors":"R. Bullen, J. Millen","doi":"10.1145/1479992.1480059","DOIUrl":"https://doi.org/10.1145/1479992.1480059","url":null,"abstract":"The Microtext system represents a new approach to the design and implementation of a full-text retrieval system. The approach is unusual in that it integrates hardware, firmware, and software components in an attempt to provide a solution to the problems involved in processing large files of unformatted textual data. The system is based on a minicomputer specialized for high-speed full-text retrieval, through the use of a finite state search algorithm implemented in firmware.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127066181","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: 7
Dynamic confirmation of system integrity 系统完整性的动态确认
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480003
B. Borgerson
{"title":"Dynamic confirmation of system integrity","authors":"B. Borgerson","doi":"10.1145/1479992.1480003","DOIUrl":"https://doi.org/10.1145/1479992.1480003","url":null,"abstract":"It is always desirable to know the current state of any system. However, with most computing systems, a large class of failures can remain undetected by the system long enough to cause an integrity violation. What is needed is a technique, or set of techniques, for detecting when a system is not functioning correctly. That is, we need some way of observing the integrity of a system.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117092557","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: 7
An adaptive error correction scheme for computer memory system 计算机存储系统的自适应纠错方案
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480002
Arvind M. Patel, M. Hsiao
{"title":"An adaptive error correction scheme for computer memory system","authors":"Arvind M. Patel, M. Hsiao","doi":"10.1145/1479992.1480002","DOIUrl":"https://doi.org/10.1145/1479992.1480002","url":null,"abstract":"Many of the modern computer memories contain single-error correction capability in order to enhance reliability. In a large scale memory, an even more powerful error correction code may be desirable. In particular, a double-error correction capability can reduce the maintenance cost significantly, while keeping the unscheduled system interruptions within tolerable limits. Since most faults are effectively masked and logged out, the permanent failures can be replaced at the time of scheduled maintenance, thus leaving the user unaffected. The cost and complexity of the known double error correcting code, however, seems to outweigh the advantages. The long decoding time and large amount of redundancy in double error correction cannot be justified in every fetch instruction for the sake of correcting an occasional double error.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115774944","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 design methodology for reliable software systems 可靠软件系统的设计方法
AFIPS '72 (Fall, part I) Pub Date : 1972-12-05 DOI: 10.1145/1479992.1480018
B. Liskov
{"title":"A design methodology for reliable software systems","authors":"B. Liskov","doi":"10.1145/1479992.1480018","DOIUrl":"https://doi.org/10.1145/1479992.1480018","url":null,"abstract":"Any user of a computer system is aware that current systems are unreliable because of errors in their software components. While system designers and implementers recognize the need for reliable software, they have been unable to produce it. For example, operating systems such as OS/360 are released to the public with hundreds of errors still in them.","PeriodicalId":262093,"journal":{"name":"AFIPS '72 (Fall, part I)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1972-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121170507","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: 109
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