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International Conference on computer and Information Technology (CIT)

作者： Shijun Li Zhiyong Peng Mengchi Liu School of Computer Wuhan University of China China State Key Laboratory of Software Engineering Wuhan University of China China School of Computer Science Carleton University Ottawa Canada

ISBN: (纸本)0769522165

A large amount of information available on the Web is formatted in HTML tables, which are mainly presentation-oriented and are not suited for database applications. As a result, how to capture information in HTML tables semantically and integrate relevant information is a challenge. In this paper, we present a new approach that automatically captures the semantic hierarchies of HTML tables, and semi-automatically integrates HTML tables. It first automatically captures the attribute-value pairs in HTML tables by normalization, and introduces the notion of eigenvalue in formatting information to recognize the headings of HTML tables. After generating the global concepts and global schema manually by defining what data to be integrated, it then learns the lexical semantic set for each global concept, the contexts via labelling the attributes of example HTML tables to their corresponding global concept. Finally, it integrates the data of each source HTML table using the lexical semantic sets and the contexts to eliminate the conflicts and solve the nondeterministic problems in mapping each source schema to the global schema.

关键词： Data mining HTML Databases Eigenvalues and eigenfunctions software engineering computer science Drives Application software labeling Information retrieval

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Automatic HTML to XML conversion

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2004年 3129卷 714-719页

作者： Li, Shijun Liu, Mengchi Ling, Tok Wang Peng, Zhiyong School of Computer Wuhan University Wuhan 430072 China School of Computer Science Carleton University 1125 Colonel By Drive Ottawa ON Canada School of Computer National University of Singapore Lower Kent Ridge Road Singapore 119260 Singapore State Key Lab of Software Engineering Wuhan University Wuhan 430072 China

We present a new approach to automatically convert HTML documents into XML documents. It first captures the inter-blocks nested structure, then the intra-blocks nested structure, which consists of blocks including headings, lists, paragraphs and tables in HTML documents, by exploiting both formatting information and structural information implied by HTML tags. © Springer-Verlag 2004.

关键词： XML

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Data transmission rate control in computer networks using neural predictive networks 04

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Proceedings of the Second international conference on Parallel and Distributed Processing and Applications

作者： Yanxiang He Naixue Xiong Yan Yang The State Key Lab of Software Engineering Computer School of Wuhan University Wuhan P.R. China Department of Computer Science Central China Normal University Wuhan Hubei P.R. China

ISBN: (纸本)9783540241287

The main difficulty arising in designing an *** congestion control scheme lies in the large propagation delay in data transfer which usually leads to a mismatch between the network resources and the amount of admitted traffic. To attack this problem, this paper describes a novel congestion control scheme that is based on a Back Propagation (BP) neural network technique. We consider a general computer communication model with multiple sources and one destination node. The dynamic *** occupancy of the bottleneck node is predicted and controlled by using a BP neural network. The controlled best-effort traffic of the sources uses the bandwidth, which is left over by the guaranteed traffic. This control mechanism is shown to be able to avoid network congestion efficiently and to optimize the transfer performance both by the theoretic analyzing procedures and by the simulation studies.

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Capturing semantic hierarchies to perform meaningful integration in HTML tables

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2004年 3007卷 899-902页

作者： Li, Shijun Liu, Mengchi Wang, Guoren Peng, Zhiyong School of Computer Wuhan University Wuhan 430072 China School of Computer Science Carleton University 1125 Colonel By Drive Ottawa Ont. K1S 5B6 Canada Department of Computer Science and Engineering Northeastern University Shengyang 110004 China State Key Lab. of Software Engineering Wuhan University Wuhan 430072 China

We present a new approach that automatically captures the semantic hierarchies in HTML tables, and semi-automatically integrates HTML tables belonging to a domain. It first automatically captures the attribute-value pairs in HTML tables by normalization and recognizing their headings. After generating global schema manually, it learns the lexical semantic sets and contexts, by which it then eliminates the conflicts and solves the nondeterministic problems in mapping each source schema to the global schema to integrate the data in HTML tables. © Springer-Verlag Berlin Heidelberg 2004.

关键词： HTML

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Object-oriented realization of workflow views for web services - An object deputy model based approach

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2004年 3129卷 468-477页

作者： Shan, Zhe Long, Zhiyi Luo, Yi Peng, Zhiyong Department of Computer Engineering and Information Technology City University of Hong Kong Kowloon Hong Kong College of Information Engineering China Institute of Metrology Hangzhou China State Key Lab. of Software Engineering Wuhan University Wuhan China

Adapted from the concept of views in databases, workflow views are derived form workflows as a fundamental support for workflow inter-operability and visibility by external parties in a web services environment. However, because of the implementation difficulties of views in OODB systems, it is tough to realize workflow views in objected-oriented workflow management systems (OO WFMS). In this paper, we adopt the object deputy model to support the realization of workflow views in OO WFMS. The detailed definitions are given based on a reference model of an OO WFMS, namely ADOME-WFMS. Furthermore, we introduce E-ADOME, which enables the implementation of workflow views in the web services environment. © Springer-Verlag 2004.

关键词： Web services

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Modular monadic program slicing

Modular monadic program slicing

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IEEE Annual International computer software and Applications Conference (COMPSAC)

作者： Yingzhou Zhang Baowen Xu Liang Shi Bixin Li Hongji Yang Department of Computer Science and Engineering South-East University Nanjing China Jiangsu Institute of Software Quality Nanjing China State Key Laboratory of Software Engineering Wuhan University of China Wuhan China School of computing De Montfort University UK

ISBN: (纸本)0769522092

Program slicing is widely used in applications such as program comprehension, software testing, debugging, measurement, and reengineering. This paper proposes a new approach for program slicing, called modular monadic slicing, basing on modular monadic semantics of the program analysed. We abstract the computation of program slicing as a language-independence entity: slice monad transformer. On the basis of this, we present and illustrate modular monadic dynamic and static slice algorithms in detail. We conclude that modular monadic slicing has excellent flexibility and reusability properties comparing with the existing program slicing algorithms. It computes program slices on abstract syntax directly without intermediate structures such as dependence graphs

关键词： Application software computer science software testing Debugging software measurement software quality laboratories software engineering computer science education Educational programs

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A framework for Web applications testing

A framework for Web applications testing

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International Conference on Cyberworlds

作者： Lei Xu Baowen Xu Department of Computer Science & Engineering Jiangsu Institute of Software Quality South-East University Nanjing China State Key Laboratory of Software Engineering Wuhan University of China Wuhan China School of Computers National University of Defense Technology Changsha China

ISBN: (纸本)0769521401

Web application testing is concerned with numerous and complicated testing objects, methods and processes. So a testing framework fitting for the properties of Web application is needed to guide and organize all the testing tasks. Based on the analysis for Web application characters and traditional software testing process, the process for Web application testing is modeled, which describes a series of testing flows such as the testing requirement analysis, test cases generation and selection, testing execution, and testing results analysis and measurement. Furthermore, the realization techniques are also investigated so as to integrate each testing step and implement the whole testing process harmoniously and effectively. Thus the framework is suitable for the Internet environment and can guide the Web application testing actively and availably.

关键词： Testing

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An efficient flow control algorithm for multi-rate multicast networks

An efficient flow control algorithm for multi-rate multicast...

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IEEE Workshop on IP Operations and Management, (IPOM)

作者： Naixue Xiong Yanxiang He Yan Yang Jiannong Cao Chuan Lin The State Key Laboratory of Software Engineering Computer School of Wuhan University Wuhan China Department of Computer Science Central China Normal University Wuhan China Department of Computing Hong Kong Polytechnic University Hong Kong China

This paper describes a novel multi-rate multicast congestion control scheme based on the well-known proportional plus integrative control technique, where the control parameters can be designed to ensure the stability of the control loop In terms of source rate. The congestion controller is located at the next upstream nodes of multicast receivers and has explicit rate (ER) algorithm to regulate the rate of the receivers. We further analyze the theoretical aspects of the proposed algorithm, show how the control mechanism can be used to design a controller to support many-to-many multi-rate multicast transmission based on ER feedback, and verify its agreement with simulations in the case of bottleneck link appearing in a multicast tree. Simulation results show the efficiency of our scheme in terms of the system stability, high link utilizations, fast response, scalability, high throughput and fairness.

关键词： Multicast algorithms Feedback Communication system control Proportional control software engineering computer networks Stability Erbium Algorithm design and analysis Quality of service

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An evolutionary algorithm for solving parameter identification problems in elliptic systems

An evolutionary algorithm for solving parameter identificati...

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Congress on Evolutionary Computation

作者： Zhijian Wu Zhilong Tang Jun Zou Lishan Kang Mingbiao Li State Key Laboratory of Software Engineering Wuhan University of China Wuhan China Department of Mathematics Chinese University of Hong Kong New Territories Hong Kong China School of Computer Science and Engineering Wenzhou Normal College Wenzhou Zhejiang China

ISBN: (纸本)0780385152

In this paper, we construct an evolutionary algorithm. It yields good performance on a collection of elliptic parameter identification problems. The evolutionary algorithm has a good tolerability for the noise in the observed data. Even when the noise level is up to 10%, we can also get such a good result. The result of numerical experiments shows explicitly that the algorithm is very fit for solving this kind of inverse problem but not very sensitive to the noise.

关键词： Evolutionary computation Parameter estimation Inverse problems laboratories software engineering Mathematics computer science Educational institutions Noise level Data engineering

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Benchmarking algorithms for dynamic travelling salesman problems

Benchmarking algorithms for dynamic travelling salesman prob...

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Congress on Evolutionary Computation

作者： Lishan Kang Aimin Zhou B. McKay Yan Li Zhuo Kang State Key Laboratory of Software Engineering Wuhan University of China Wuhan China Department of Computer Science & Technology China University of Geoscience Wuhan China School of IT & EE University of New South Wales Canberra Australia Computer Center Wuhan University Wuhan China

Dynamic optimisation problems are becoming increasingly important; meanwhile, progress in optimisation techniques and in computational resources are permitting the development of effective systems for dynamic optimisation, resulting in a need for objective methods to evaluate and compare different techniques. The search for effective techniques may be seen as a multi-objective problem, trading off time complexity against effectiveness; hence benchmarks must be able to compare techniques across the Pareto front, not merely at a single point. We propose benchmarks for the dynamic travelling salesman problem, adapted from the CHN-144 benchmark of 144 Chinese cities for the static travelling salesman problem. We provide an example of the use of the benchmark, and illustrate the information that can be gleaned from analysis of the algorithm performance on the benchmarks.

关键词： Heuristic algorithms Distributed computing Grid computing Traveling salesman problems Cities and towns computer networks Peer to peer computing Optimization methods Mobile computing Evolutionary computation

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