计算机科学

袁满艾广平罗军阚志刚胡建平马健

计算机科学. 2003, 30 (11): 1-4.

摘要 ( 94 )

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Internet is best effort network, on the whole, it doesn't provide any quality of service assurance for services. Especially,all kinds of stream media need more network performance and quality of service. Currently, because of existing many heterogeneous n

IP网络中支持QoS的接纳控制算法

黄新刚向勇史美林

计算机科学. 2003, 30 (11): 5-9.

摘要 ( 73 )

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In the research of NGN,Network QoS control is one of currently research hotspots. Admission control is a significant method used to support QoS. This paper surveys the research of QoS-supported admission controlal gorithms in IP network. We categorize and

生物网络通信语言的设计和实现

皋磊任立红张向锋丁永生

计算机科学. 2003, 30 (11): 10-12.

摘要 ( 74 )

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In our bio-network computation model ,it urgently needs a kind of network communication language to solve the communication and cooperation problems among bio-entities. Then the bio-entities can interact each other to implement emergent service and comput

量子遗传算法研究现状

杨俊安庄镇泉

计算机科学. 2003, 30 (11): 13-15.

摘要 ( 80 )

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Quantum Genetic Algorithm (QGA)is the combination of quantum computation and genetic algorithm. In this paper, actuality of research on QGA is summarized. QGA and Multi-universe Parallel Quantum Genetic Algorithm (MPQGA)are discussed in detail. Applicatio

子集和问题的改进算法

李肯立李庆华张红君

计算机科学. 2003, 30 (11): 16-17.

摘要 ( 72 )

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Due to the importance of the subset sum problem in cryptosystem,in the past two decade,much ellort has been done in order to find techniques that could lead to practical algorithms with reasonable running time. Based on the two-list four-table algorithm ,

粗糙蕴涵

薛占熬何华灿

计算机科学. 2003, 30 (11): 18-20.

摘要 ( 91 )

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Rough implication operator is the emphasis and difficulty in the study of rough logic. Due to the shortage of rough implication in [3]～[5], we redefine rough set and rough implication operator by Stone algebra, and introduce new rough operators such as ro

泛逻辑的基本形式演绎系统UL及其可靠性

张小红何华灿李伟华

计算机科学. 2003, 30 (11): 21-24.

摘要 ( 69 )

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A basic formal deductive system UL of universal logic is introduced for the first time,and quotient algebra is constructed. Then valuation of type H is introduced and reliability theorem is proven. Moreover, the relation between UL and the classical propo

信息系统知识约简简便算法

邵明文张文修吴伟志

计算机科学. 2003, 30 (11): 25-28.

摘要 ( 85 )

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In this paper, by using discernibility attribute matrices, give the sufficient and necessary conditions for justfying an attribute is absolute,relative and superfluous,and then simplified approaches to knowledge reductions in information systems and consi

KDD中知识的自动评价系统

綦艳霞杨炳儒

计算机科学. 2003, 30 (11): 29-31.

摘要 ( 70 )

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How to automatically evaluate the discovered knowledge is very important in KDD,but the research on this problem is very little. The paper gives one automatic system for evaluating the knowledge, and provides many solutions. First some relative concepts a

一种基于语境的对话模型

刘红阁

计算机科学. 2003, 30 (11): 32-35.

摘要 ( 83 )

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In order to make computer understand human languages mucn better and achieve certain tasks according to human intentions, it is required to carefully model the elementary concepts and the underlying theoretical principles for driving a conversation genera

神经网络设计的特征空间序贯划分算法

孙功星戴贵亮

计算机科学. 2003, 30 (11): 36-37.

摘要 ( 84 )

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A geometrical strategy for constructive neural networks is proposed in the paper. Firstly it can acquire quickly initial input weight parameters and topolgy by sequentially partioning feature space with the presented geometrical method. Secondly with SVD,

加权支持向量回归算法

吴今培侯振挺肖健华

计算机科学. 2003, 30 (11): 38-39.

摘要 ( 92 )

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Support vector regression machines based on structural risk minimization have a good generalization performance. However, its effect is not good if there exists heterogeneity of variance in the regression models. In order to solve the problem, a kind of w

基于粗集分类和遗传算法的知识库集成方法

郭平程代杰

计算机科学. 2003, 30 (11): 40-43.

摘要 ( 69 )

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As the base of intelligent system, it is very important to guarantee the consistency and non-redundancy of knowledge in knowledge database. Since the variety of knowledge sources, it is necessary to dispose knowledge with redundancy, inclusion and even co

用动态扣分策略消除序列局部联配中的马赛克问题

余堃黄均才周明天

计算机科学. 2003, 30 (11): 44-47.

摘要 ( 78 )

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The local alignment problem for two sequences requires determining similar regions, one from each sequence, and aligning those regions. The Smith-Waterman algorithm for local sequence alignment is one of the most well-known algorithm in computational mole

神经网络方法预测蛋白质二级结构

闫化军傅彦章毅李毅超

计算机科学. 2003, 30 (11): 48-52.

摘要 ( 85 )

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The explosive accumulation of protein sequences in the wake of large-scale sequencing projects is in shark contrast to the much slower experimental determination of protein structures. Neural Networks have been successfully applied into the prediction of

中文文本校对技术的研究与实现

陈笑蓉秦进汪维家陆汝占

计算机科学. 2003, 30 (11): 53-55.

摘要 ( 112 )

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In this paper, we analyze the cause and types of Chinese text errors. Based on the weak relation between the error words and its adjoining words, we detect Chinese text errors using bi-gram as computational model. In this model, bi-cooccurrence probabilit

基于WWW的聚类引擎研究

张伟

计算机科学. 2003, 30 (11): 56-57.

摘要 ( 75 )

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Today, search engine is the most commonly used tool for Web information retrieval, data mining may discover knowledge in large data. With the era of information and digital of media, Web data mining is becoming one of the hottest topics. By combining info

一种新颖的重构发射的混沌信号的跟踪器

鲁瑞华田红冯久超

计算机科学. 2003, 30 (11): 58-60.

摘要 ( 70 )

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Coauthors of the paper propose a novel tracker for reconstructing the transmitted chaotic signal whtch uses a modified radial-basis-ruction neural network incorporating a learning algorithm for tracking the noisy chaotic signal with varying parameters. Th

基于3-D IFS理论的自然景观模拟

王兴元刘波

计算机科学. 2003, 30 (11): 61-64.

摘要 ( 75 )

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This article elaborates the theory of Iterated Function System (IFS)and gives the stochastic algorithm and the deterministic algorithm with which to construct IFS attractor. Based on the technique of coloring, lighting, shadow and mist in computer graphic

基于弹性图匹配的实时视频流人脸识别

薛理立艾海舟

计算机科学. 2003, 30 (11): 65-69.

摘要 ( 66 )

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This paper deals with the problem of face recognition from video streams based on Elastic Graph Matching (EGM)method. First, instead of manually selecting the feature points as in previous methods, they are automatically selected through feature selection

基于仿射变换的图像序列拼接方法

王建华

计算机科学. 2003, 30 (11): 70-72.

摘要 ( 100 )

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When Image Mosaics is produced, we optimally solve the registration transformation for adjacent frames with traditional ways. The way is slow, heavy and sometimes gets stuck in local minima. The paper provides the way that solves the transformation with a

基于智能Agent系统的集成路由算法

张艳华贺红马绍汉

计算机科学. 2003, 30 (11): 73-76.

摘要 ( 80 )

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In order to ensure serve quality of Internet, and enhance Internet resource utilizing, we take advantage of NN-Algorithm and common algorithm, absorb NN-Algorithm's merit, such as fast and veracity, and overcome shortcoming high cost. We absorb common alg

3-维Mesh网络容错性的概率分析研究

王高才陈建二王国军陈松乔

计算机科学. 2003, 30 (11): 77-79.

摘要 ( 81 )

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Mesh network is very popualr and important topological structure in parallel computing. In this paper,we focus on the fault tolerance of 3-dimensional mesh. We use the probability model to analyze the fault tolerance of mesh. To simplify our analysis, we

QoS路由的不确定信息研究：形式化描述与分析

桂志波胡仲海

计算机科学. 2003, 30 (11): 80-83.

摘要 ( 78 )

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In order to guarantee network quality of service(QoS), QoS routing algorithms try to find an optimal path that can provide sufficient resources to accommodate the performance requirements such as delay, jitter, bandwidth, loss rate and so on required by a

基于Linux内核高速IP网络测量器的研究

徐加羚程光丁伟

计算机科学. 2003, 30 (11): 84-87.

摘要 ( 71 )

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With the rapid development in network technology field, the network IP packet measuring technology has become basis of the large-scale network's behavior analysis. The paper analyzes the function and performance requirement to high-speed network measure,

一类允许节点失效的多信息流随机流量网络的可靠度研究

孙伟平周敬利余胜生

计算机科学. 2003, 30 (11): 88-90.

摘要 ( 71 )

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This paper studies the performance index that the system probability is not less than the given demand for a stochastic-flow network whtere each arcs and nodes have several capacities and multiple types of commodities transmitted through the same network.

网络信息监听技术的研究

陈国龙陈火旺康仲生

计算机科学. 2003, 30 (11): 91-92.

摘要 ( 70 )

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As a sign of information age, Internet offers millions of information and makes the people's work easy. However, when the enterprise gets the information and communicates smoothly, it is at the risk that the interior technologic secret and the commerce se

具有预警功能的网络监管体系结构研究

张险峰张峰秦志光刘锦德

计算机科学. 2003, 30 (11): 93-96.

摘要 ( 70 )

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The architecture of network monitoring administration with precaution is presented. Related technologies and approaches to realize the architecture are analyzed and provided. The architecture consists of a precaution subsystem and a monitoring administrat

基于II-Agent（智能综合代理）的NGN网络管理系统结构分析

陶洋张静王国梁胡敏

计算机科学. 2003, 30 (11): 97-98.

摘要 ( 72 )

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With the increasing complexity of next generation network(NGN), this paper proposes a new network management system architecture——II-Agent based NGN Network Management System. Based on II-Agent's trains including intelligence, opening, programmable, activ

基于状态转换图的入侵检测模型STGIDM

姚立红黄皓谢立

计算机科学. 2003, 30 (11): 99-101.

摘要 ( 76 )

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Pattern Match based on the serial of system calls is one of the widely used intrusion detection technologies, while the courses that cause intrusion frequently accord with chosen pattens when programs monitored are complex and the number of chosen pattern

基于Minkowskey距离的模糊入侵检测方法研究

余建桥张林彭喜化

计算机科学. 2003, 30 (11): 102-103.

摘要 ( 61 )

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After analyzing the deficiency of traditional intrusion detection system, a new kind of intrusion detection method based on Minkowskey is put forward for reducing false positive rate. The essence of it is to set up a normal behavior fuzzy sub collection A

一类VoIP网关的设计

王世伦

计算机科学. 2003, 30 (11): 104-104.

摘要 ( 79 )

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The paper introduces the principle of VolP Gateway and discusses the protocol structure of VolP Gateway based H. 323 Recommendation. Further, it gives a design of VoIP Gateway and it's implementation. Finally, this paper gives some description of the gate

弱盲签名方案的构造的一种新方法

杜伟章陈克非

计算机科学. 2003, 30 (11): 105-106.

摘要 ( 58 )

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In this paper, by integrating blind parameter digital signature schemes and the existing weak blind digital signature schemes,on the basis of generalized ElGamal type digital signature schemes,we construct some new weak blind digital signature schemes bas

Web服务研究综述

丁长明石静赵泽宇薛向阳

计算机科学. 2003, 30 (11): 107-111.

摘要 ( 62 )

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The importance of Web services has been recognized by industry and academic research. The two worlds concerned of two different dimensions, lndustry has focused on modularization of service layers, while academic research has been mostly concerned with se

基于Ontology和EM方法的网页分类研究

丁艳曹倩王超潘金贵

计算机科学. 2003, 30 (11): 112-115.

摘要 ( 65 )

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Works on abstracting semantic information from substantive pages of Web and their usage in search engine can lead to intelligent retrieval ,or other individual services. This paper mainly focuses on some research about analysis of Web page classification

数据仓库中的元数据与CWM规范

张丽娟李舟军陈火旺

计算机科学. 2003, 30 (11): 116-118.

摘要 ( 63 )

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Metadata plays a very important role in data warehouse. Metadata helps developers and administrators develop, maintain and manage data warehouse, it also helps end users understand, acquire and analyze data. In this paper contents and functions about meta

空间数据库索引管理系统的设计与实现

汪林林马锐

计算机科学. 2003, 30 (11): 119-121.

摘要 ( 69 )

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By the special character and wide application of spatial data,it is needed to design a kind of spatial database system management system(SDBMS),index management is a core part of SDBMS,the performance of a database is decided by the management function of

用于空间数据系统的无损数据压缩技术

李维忠贾小铁徐志立

计算机科学. 2003, 30 (11): 122-124.

摘要 ( 66 )

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This paper gives a brief and clear description to the Lossless Data Compression Recommendation for Space Data System Standards ,and presents its own opinions for some unintelligible algorithm detail in the recommendation.

用户层通信接口VIA的研究（一）

孙伟平周敬利余胜生

计算机科学. 2003, 30 (11): 125-128.

摘要 ( 52 )

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Distributed applications requires fast and reliable exchange of information across a network. Traditional network architectures do not provide the performance required by these applications ,due to communication overhead incurred by messages to move throu

并行程序设计语言发展现状

韩卫郝红宇代丽

计算机科学. 2003, 30 (11): 129-132.

摘要 ( 70 )

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In this paper we introduce the history of the parallel programming language and list some of currently parallel programming languages. Then according to the classified principle. We analyze some of the representative parallel programming languages in deta

Open-MP与并行程序设计

陈（leng）陈宏建秦玲

计算机科学. 2003, 30 (11): 133-135.

摘要 ( 52 )

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The application programming interface Open-MP for the shared memory parallel computer system and its characteristics are illustrated. We also compare Open-MP with parallel programming tool MPI.To overcome the disadvantage of large overhead in Open-MP prog

基于过程模式的软件过程建模

梁义芝王延章刘云飞缪旭东

计算机科学. 2003, 30 (11): 136-141.

摘要 ( 59 )

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Software process patterns can be used to summarize and express software process knowledge, and process pattern based software process modeling can realize the reuse and dynamic improvement of software process knowledge. In this paper, Petri net and UML ac

EJB技术及应用

钟国祥

计算机科学. 2003, 30 (11): 142-144.

摘要 ( 61 )

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Component technology has been the focus of the software industry. In this paper, the history of the component technology is reviewed briefly. The framework of EJB is introduced, its composition is mainly focused, the EJB products and its development are d

一个基于部分求值的Java动态优化系统

高红雨廖湖声王众

计算机科学. 2003, 30 (11): 145-147.

摘要 ( 65 )

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A dynamic optimization system for Java programs based on partial evaluation is presented in this paper. It consists of four subsystems: Java program transformation, binding time analysis, program specialization generation and application interface generat

程序设计规则检查：一种保障软件质量的基本方法

李书浩齐治昌

计算机科学. 2003, 30 (11): 148-151.

摘要 ( 53 )

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Programming rule checking is an important approach of quality assurance in the coding phase ot the software lifecycle. In this paper we introduce the notion,the objective,and the general procedures of programming rule checking. Following that ,we examine

CC与SSE-CMM结合的信息安全评估方法

吴丹王志英

计算机科学. 2003, 30 (11): 152-154.

摘要 ( 65 )

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The information security evaluation is an important part of information field. It is a general method to execute evaluation to the information security products under the instruction of Common Criteria (CC).A new method of information security evaluation,

C^＋＋语言异常处理机制的研究

裘宗燕

计算机科学. 2003, 30 (11): 155-156.

摘要 ( 59 )

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Here we make a detailed investigation on the exception handling mechanism of C^++ ,have much discussion on many design and implementation problems ,and offer many suggestions on the use of it.

工作流过程定义中的分层结构与正则Petri网

王斌君郝克刚

计算机科学. 2003, 30 (11): 157-159.

摘要 ( 70 )

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The abstract level problem and the classification of the abstract level problem in the workflow process model are discussed. The formalized problem of the abstract level problem in the process model is researched. The concept and definition of the petri n

RBAC模型中角色的继承与互斥问题的研究

胡金柱陈娟娟

计算机科学. 2003, 30 (11): 160-163.

摘要 ( 52 )

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RBAC (Role-Based Access Control)maps naturally to an organization's structure and facilitates safety administration by separating logically users and permissions via roles as well as constructing role hierarchies, and therefore RBAC offers a powerful mean

ActiveX控件的工作机理与实现研究

王映辉

计算机科学. 2003, 30 (11): 164-166.

摘要 ( 60 )

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Look through theory of ActiveX control based on large scope software (based on Internet). Analyze the framework and micro-interface map of ActiveX control. Describe the process of development and customization technology of ActiveX control by Microsoft Vi

NAS系统中卷管理器的研究与实现

欧阳凯周敬利余胜生夏涛

计算机科学. 2003, 30 (11): 167-170.

摘要 ( 43 )

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The research and implementation of the volume management is the key technology in Network Attached Storage (NAS) ,which is also the important part in the research of virtual storage system, This paper researches the volume management technology and its er

基于存储管理抖动问题的研究

陈岚

计算机科学. 2003, 30 (11): 171-174.

摘要 ( 69 )

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The thrashing problem of virtual storage management is a result of complex factors of the system. It consumes system resources, and undermines the efficiency of the system. The author of this article analyzes the relationship between thrashing problem and

智能化系统集成的开放工业标准-OPC DX技术

周明强高悦翔王波

计算机科学. 2003, 30 (11): 175-177.

摘要 ( 51 )

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On the base of giving the overview of the OPC and OPC DX technology,the paper expounds detailedly the newly specification of OPC DX including its system model,principle and suggestion on developing.

ALL——算法与数据结构教学小语言

张乃孝蒋凌霄

计算机科学. 2003, 30 (11): 178-180.

摘要 ( 59 )

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Based on the idea of domain-specific languages,a little language--ALL ts proposed as a response to some problems in teaching “Algorithms and Data Structures” . We expect that ALL will help decouple the learning of algorithms and data structures from the l

论程序设计“非结构化→结构化→对象化”技术进步与教育创新

周启海

计算机科学. 2003, 30 (11): 181-184.

摘要 ( 55 )

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In this paper,the programs' control structures are understood and re-understood,the program-design's “non-structured→structured→objectized(i, e. object-oriented)” are back-looked and known back,the program-design's education is evaluated ,the distinctions