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Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.最新文献

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Variable selection in discriminant analysis in the presence of outliers 存在异常值时判别分析中的变量选择
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938027
S.J. Stell, N. Louw
{"title":"Variable selection in discriminant analysis in the presence of outliers","authors":"S.J. Stell, N. Louw","doi":"10.1109/ITI.2001.938027","DOIUrl":"https://doi.org/10.1109/ITI.2001.938027","url":null,"abstract":"An important problem in discriminant analysis that has received little attention in the literature, is the effect of outliers when variable selection is the first step in the analysis. We consider two methods of dealing with this problem: the classification performance of these methods, and the classification performance if possible outliers are ignored, are compared in a simulation study. In the configurations studied, we find that none of the approaches consistently outperforms the others.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114782188","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 use of streaming audio in VRML environments 在VRML环境中使用流音频
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938014
M. Divjak, D. Korze
{"title":"The use of streaming audio in VRML environments","authors":"M. Divjak, D. Korze","doi":"10.1109/ITI.2001.938014","DOIUrl":"https://doi.org/10.1109/ITI.2001.938014","url":null,"abstract":"VRML is one of the most popular languages for building virtual worlds, but it lacks support for the reception of streaming data. In our work this functionality was added by embedding a small Java application into the virtual environment. The application controls the transmission of streaming content (audio or video) from the content provider into the virtual world, real-time communication between current visitors of the same VRML environment and numerous other streaming operations. To verify our ideas, a VIRACO system was implemented. It shows that the proposed solution meets the requirements and can be used to enhance the arbitrary VRML environments.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133672492","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
On delay versus congestion in designing rearrangeable multihop lightwave networks 可重构多跳光波网络设计中的延迟与拥塞
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938033
Valter Boljuncic, D. Skorin-Kapov, J. Skorin-Kapov
{"title":"On delay versus congestion in designing rearrangeable multihop lightwave networks","authors":"Valter Boljuncic, D. Skorin-Kapov, J. Skorin-Kapov","doi":"10.1109/ITI.2001.938033","DOIUrl":"https://doi.org/10.1109/ITI.2001.938033","url":null,"abstract":"We investigate design issues of optical networks in light of two conflicting criteria: throughput maximization (or equivalently, congestion minimization) versus delay minimization. We assume the network has an arbitrary topology, the flow can be split and sent via different routes, and it can be transferred via intermediate nodes. Tabu search heuristic is used to compare solutions with different weights assigned to each of the two criteria. The approach is tested on a benchmark data set, the 14-dimensional NSFNET T1 network with traffic from 1993. The results suggest that: (1) some connectivity matrices are quite robust and desirable regarding both criteria simultaneously; (2) forcing minimization of total delay unconditionally can result in significantly inferior throughput. Some decision strategies are outlined.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130265869","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
Development of a Higher-Level Multimedia Scripting Language 一种高级多媒体脚本语言的开发
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938019
D. Radošević, B. Klicek
{"title":"Development of a Higher-Level Multimedia Scripting Language","authors":"D. Radošević, B. Klicek","doi":"10.1109/ITI.2001.938019","DOIUrl":"https://doi.org/10.1109/ITI.2001.938019","url":null,"abstract":"The Higher-Level Multimedia Scripting Language (MSL) was created to obtain a very efficient man-machine interface using real time multimedia personalized presentations. Firstly, the trends of scripting languages and needs for this kind of man-machine communication were analyzed. Then, creation of the language through several steps is described: specification of the language, creation of its syntax and semantics, creation of an interpreter, and testing. The results showed that MSL code of a presentation was significantly simplified while the time of code creation and its presentation satisfies real-time needs. These features of the language were obtained applying the abstraction of some very general functions of multimedia presentation. The created MSL code could be run on different platforms like stand alone computers (Lingo scripting language) as well as Web based applications (XML language). Testing of the prototype system proved that the language could be an efficient part of the real time multimedia systems that generate personalized multimedia presentation according to the context, available multimedia data and profile of a user.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130838087","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 heuristic genetic algorithm for flowshop scheduling 基于启发式遗传算法的流水车间调度
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938035
U. Chakraborty, D. Lah, M. Chakraborty
{"title":"A heuristic genetic algorithm for flowshop scheduling","authors":"U. Chakraborty, D. Lah, M. Chakraborty","doi":"10.1109/ITI.2001.938035","DOIUrl":"https://doi.org/10.1109/ITI.2001.938035","url":null,"abstract":"Flowshop scheduling deals with determining the optimum sequence of jobs to be processed on several machines so as to satisfy some scheduling criterion. It is NP-complete. Heuristic algorithms use problem-specific information to yield a good working solution. Genetic algorithms are stochastic, adaptive, general-purpose search heuristics based on concepts of natural evolution. We have developed a new heuristic genetic algorithm (NGA) which combines the good features of both the GA and heuristic search. The NGA is run on several problems and its performance is compared with that of the conventional genetic algorithm and the well-known NEH heuristic. The NGA is seen to perform better in almost all instances.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121019616","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
CADAC methods in market research 市场研究中的CADAC方法
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938022
J. Horvat, S. Marković, M. Perencevic
{"title":"CADAC methods in market research","authors":"J. Horvat, S. Marković, M. Perencevic","doi":"10.1109/ITI.2001.938022","DOIUrl":"https://doi.org/10.1109/ITI.2001.938022","url":null,"abstract":"The informatic revolution had a consequence: the fast development of market research methods. In the 80's a new group of market research methods called CADAC (Computer Assisted DAta Collection) was developed. Computer assisted interviewing has become rapidly popular partly because it provides better data quality and data analysis than traditional methods. CADAC methods can be divided into three main categories: CATI method \"Computer Assisted Telephone Interviewing\", Internet surveys (e-mail survey, news groups, CAWI method), ICDC \"Integrated Computer-Assisted Data Collection\". This paper presents the main characteristics of CADAC methods, and compares the most important methodological factors of each method.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126925114","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
Modelling effects of micromixing on performance of continuous bioreactors 微混合对连续型生物反应器性能的模拟影响
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938039
Z. Kurtanjek
{"title":"Modelling effects of micromixing on performance of continuous bioreactors","authors":"Z. Kurtanjek","doi":"10.1109/ITI.2001.938039","DOIUrl":"https://doi.org/10.1109/ITI.2001.938039","url":null,"abstract":"The effects of micromixing on performance of continuous bioreactors is investigated by determination of upper and lower boundaries of substrate conversion. The bounds are evaluated on the basis of limiting micromixing dynamics, i.e. as completely segregated flow and as maximum mixidness flow. A probability density function of residence time (RTD) is applied, corresponding to a \"tank in series\" model. Numerical evaluation of the bounds is obtained by solving a set of nonlinear differential equations with asymptotic split boundary conditions. The dependence of the bounds in substrate conversion as functions on the Damkohler number is graphically presented.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126090071","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
Supplement to development of priority rule model in production management information system 补充生产管理信息系统中优先规则模型的开发
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.938040
R. Lujic, N. Majdandžić
{"title":"Supplement to development of priority rule model in production management information system","authors":"R. Lujic, N. Majdandžić","doi":"10.1109/ITI.2001.938040","DOIUrl":"https://doi.org/10.1109/ITI.2001.938040","url":null,"abstract":"The article gives exploration results of management in single and small scale production. The very high price of new technologies for lot sizing production means that only single production remains an option in undeveloped countries. The use of a management information system for this type of production is presented.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114543143","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
Modelling continuing professional development in an innovative context 在创新的环境中塑造持续的专业发展
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.937991
F. K. Fink
{"title":"Modelling continuing professional development in an innovative context","authors":"F. K. Fink","doi":"10.1109/ITI.2001.937991","DOIUrl":"https://doi.org/10.1109/ITI.2001.937991","url":null,"abstract":"Being one step ahead of your competitors with incorporation of new knowledge in the products puts focus on the importance of human resources as a significant resource for industrial development. A major competitive parameter in knowledge society is engineering competence, especially in the industry subject to very fast innovation processes. Continuing professional development of engineering staff is therefore very important. A model for the continuing education process is described. The elements of the model and their interaction are discussed. Part of the modelling is based on interviews with development engineers from the very dynamic mobile communication industry. Some examples of CPD-programmes are described.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"213 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114577406","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: 10
End-to-end congestion control and bandwidth estimation in high speed ATM networks 高速ATM网络中的端到端拥塞控制与带宽估计
Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001. Pub Date : 2001-06-19 DOI: 10.1109/ITI.2001.937997
S. Mascolo, E. Di Sciascio, A. Grieco
{"title":"End-to-end congestion control and bandwidth estimation in high speed ATM networks","authors":"S. Mascolo, E. Di Sciascio, A. Grieco","doi":"10.1109/ITI.2001.937997","DOIUrl":"https://doi.org/10.1109/ITI.2001.937997","url":null,"abstract":"We propose an end-to-end congestion control and bandwidth estimation algorithm for ABR traffic in high-speed ATM networks. The congestion control algorithm is derived using the Smith predictor and uses an estimation of the bottleneck queue level as feedback. The estimation allows the algorithm to be executed at the entry node of a high-speed ATM network without requiring any explicit feedback from the network switches.","PeriodicalId":375405,"journal":{"name":"Proceedings of the 23rd International Conference on Information Technology Interfaces, 2001. ITI 2001.","volume":"06 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131349730","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
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