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a) using the URL class to form URL objects according the receiving character strings; b) obtaining Applet Context of the small application program by means of get Applet Context of the Applet class; c) displaying the content of URL by means of show Document of the Applet Context interface. The specific format and parameters of the method are described as follows: Wherein, the target parameter is used to appoint the location of displaying of the file contents, and the specific value and the role of the target parameter are shown the Table I: Value "_self" "_parent" "_top" "_blank" "Frame name" TABLE I. Location of file display Current frame Parent frame Top frame Displaying in a new open browser window Displaying in an appointed frame In the teacher side, the author adopts the "-blank" method, which open another browser window to display the URL content for the teachers to confirm the content URL. In the student side, the author adopts the multiframe method, which arranges the multi-frame in the HTML file, and one frame is used to display the Java Applet, the other frame displays the content of URL pages sent by the teachers. The size of the specified frame in the HTML file can be adjusted, so that the students can adjust the frame border to read the content more easily. IV. CONCLUSION This article describes a specific implementation of WWW-based collaborative teaching software system. The software actually is a teaching framework system, and the specific teaching contents are arranged and designed by the teachers by using the maintenance parts of the system. Thus, the subjective initiative of the teachers can be well exerted. The author intends to make the following improvements to the system: a) providing the function of automatic test paper; b) introducing a more comprehensive model of student to estimate the learning level of the students; c) providing a variety of teaching methods, so that the system can be operated in both circumstances of the attendance and absence of the teachers to increase the intelligence of the CAI. ACKNOWLEDGMENT This work was partially supported by Zhejiang province fatal project (priority subjects) key industrial project (2008C11011). REFERENCES [1] Translated by WANG Zhi-hai, etc., Publicated by InmonW H, Establishment of data warehouse [M]. Beijing: Mechanical Industry Press, 2000 [2] Liu Fei, Design and optimization of database connection pool based on Java [J]. Micro-computer applications .2008 [3] Peng Chen-Yang, Development guide of JAVA application system, Beijing: Mechanical Industry Press, 2004 [4] Publicated by Jamie J aworski (U.S.), translated by CAO Kang, Java Development guide [M]. Beijing: China Water Conservancy and Hydropower Press, 1996 14
ISBN 978-952-5726-09-1 (Print) Proceedings of the Second International Symposium on Networking and Network Security (ISNNS ’10) Jinggangshan, P. R. China, 2-4, April. 2010, pp. 015-018 Expression of XML Implicit Semantics Ying Chen, Wenping Guo , and Xiaoming Zhao School of Mathematics and Information Engineering, Taizhou University, Linhai, China Email: ychen222@163.com , guo_wp@126.com , tzxyzxm@yahoo.com.cn Abstract—The problem that XML formally governs syntax only but not semantics has been recognized as a serious barrier for XML-Based data integration and the extension of current Web to the semantic Web. This paper presents expression mode of XML implicit semantics, so that XML document authors may express the semantic information more clearly. Index Terms—XML, Semantics,XML Semantics ,Implicit Semantics, Semantic Web I. INTRODUCTION Since its being the W3C(The World Wide Web Consortium) recommended standard of data denotation and exchange in the web, Extensible Markup Language(XML)[1]has achieved great success, not only it enjoys wide application in the industry, but also related techniques follow fast. However, one of its serious weaknesses is more and more obvious, say conveying syntax only without formally semantics [2]. Instead of being fully given expression, the syntax information contained in XML document is just kept in the human head. When developing the XML application program, researchers need to know implications of label and document structure in advance, and then encode them into the program directly [3]. Without any normative explanation to the label implication, XML users may directly encode their different understandings into the program which results in the impossibility of applications’ mutual operation. As a result, it becomes a main difficulty in XML data integration and application integration. It comes to be a research focus for web of next generation, the semantic Web [4], to study out how to deliver XML implicit semantics so as to give XML document users full play to express semantic information clearly. II. SEMANTICS Known as an ambiguous word, semantics contains different meanings if being introduced in different fields such as computer science, philosophy, psychics and linguistics. We need to analyse what it means in different situations to understand its semantic description and XML essence. In Semantic Web, semantics is a key factor to develop our familiar internet [5]. Semantics can be simply regarded as an implication from its concept represented by the data (symbol), relations among the implications and abstract or higher-level logic expression to the data. In the field of computer science, semantics generally is a kind of explanation to computer symbol which are used © 2010 ACADEMY PUBLISHER AP-PROC-CS-10CN006 15 by users to describe the real world. To be simple, it is a way for users to connect computer symbol with real world. To relational database as an example, simply speaking, data in the database is stored into formats. For example, students’ basic information is stored into “Students’ Format”, then as to the ensemble from data of each column in the format, its implication is corresponding concept of the column, which reflects designers’ given name to corresponding property of this column, such as NAME, GENDER etc. The relation among properties is equivalent to that among data’s concept. Totally, all are the property of the entity of the students. Properties and relations in database format can be recognized as date semantic information. Surely, semantics is absolutely not so simple; relation it represents may be more sophisticated, even more than expression range of modelling language of database such as E-R model. In fact, semantic is a new concept introduced to IT. Instead, it is long employed in the database to distinguish model and data, and creates a niche in database modelling, search and tasks management technique. In a word, semantics is a key element to ensure the expansibility, high effectiveness and robustness of data management system. A. Expression Form of Semantic in Computer Science The understanding of computer to the semantics of a symbol actually is a semantic expression that is understandable for a computer. That is to say, semantics embodies the description to the symbol. As for most computer application nowadays, the information is not described in a uniform syntax format, which causing information disparity in the semantic description and semantic heterogeneity in the information expression. As to explanation to the semantics, meaning of the information, it is written into the application in a hard coding way, this so-called procedural semantics [6] isolates information semantics and its syntactic description and solidifies information understanding to certain code logic in the way of information semantic model, all which leading to its great limitation of without expansibility and generality and difficulty in maintenance and integration. The opposite as information modelling way of procedural semantics, declaration semantic modelling way has nothing to do with material data and application logic with nice adaptable and reusability by isolating data semantic description and certain application logic, fitting data semantic description to data layer, and leaving data semantic explanation to general formalization system (such inference system as first-order logic, description logic, datalog). Data semantic description is to describe data semantics in declaration
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Step4 calculate the new subordinate
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Figure 1. An analysis of the partit
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The preceding three formulas can be
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And the decay speed of buffer seque
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distance of view point. Given that
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Ⅳ. EVALUATION OF BLENDED LEARNING
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symmetric with respect to the origi
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each sample belongs to each categor
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A. Data Preparing To generate our t
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oth α and β . determination of Qu
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Strong earthquake 0.1< M L
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indirect causes, and the logical re
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egression. Granger causality test i
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B. Evaluation We have evaluated thi
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used as a source and neighboring ce
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Figure 3. Drainage networks generat
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Combinational logic unit failures i
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Tabal.1 Combinational fault logic t
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under the endorsement of both the m
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TABLE I. DESCRIPTION OF PROPOSITION
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Figure 2. The process of the invers
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Figure 9. (a)the original image.(b)
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In order to reduce to the number of
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that studying being going to be to
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Reference[10] analyzed the evolutio
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module, communication module, apper
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After the comprehensive performance
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system testing can be seen that the
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III. AUTONOMIC RESOURCE ALLOCATION
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The QoE i (T i ) is the ith user’
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nodes will be formed one cluster, t
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Where n is the number of data point
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Keyboard event Application User mod
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SQL Azure will eventually include a
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The nodes in the suffix tree are dr
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[3] Y. Li, S. M. Chung, and J. D. H
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some drilling fluid produces hydrog
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"normalization", whose membership b
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and minimum structural elements in
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esults of the spatial transform par
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B. Research on protocol actions Com
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ACKNOWLEDGMENT This work is funded
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A. Problem Description In a small b
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[4] Huang, Hung, and J. Y. jen Hsu.
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Further by calculating, the followi
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TABLE II. THE CONCENTRATION BETWEEN
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private key that obtained by using
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ontology, and the domain dictionary
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Eq.4 is NP-hard and can be solved b
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Where: G i is the selection field o
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If there is X j in a generation, wh
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Theorem 2.4([10]). Let L 1 and L 2
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The relation between the lattice im
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Figure 2. Example of single-step de
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evocation and the fourth group stor
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focused mainly on rule-based forms
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Ⅵ. CONCLUSION Figure 6. The Flask
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EDCF in comparison with DCF, has so
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B. Simulation results and analysis
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in routing table. When search resou
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others through the selective emotio
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such as weather information, techno
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the opening window, a related page
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1) Process context storage areas. I
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V. CONCLUSION In this thesis, sCPU-
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main types of horizontal search env
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Enterprise Portal security provides
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() t = [ S () t S () t ] T N S ,...
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[2] Kumaravel, N., and Kavitha, V.,
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output, so BP network has been wide
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input to the artificial neural netw
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(2) In a process (tokens from outsi
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The reduction process consists of t
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all eight normal vectors are identi
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is B object , and the number of emp
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xi, j y' = εα ( (1 + tanh( )) −
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Error 8000 7000 6000 5000 4000 3000
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Architecture (AMBA) a new bus archi
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In order to ensure the smooth proce
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In this paper, we adopt two Sobel o
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four layers.The far right of the gr
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TABLE II. OPERATIONAL EMPLOYEE TABL
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A. Object-relational Type To audit
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to execution time. Also, DBA would
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Liping Chen .......................
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