The paper discusses the importance about the development strategy for constructing the digital library in China, and some issues concerned.
In this paper, some viewpoints on the construction of information resources in China are put forward. Author thinks that the present bibliographic databases based on the Chinese source do not reflect completely the advancement of science and technology of China. The author suggests that we have to exploit deeply the information contained in Chinese literatures and to expand the range of data source to foreign science and technology literatures.
Based on the distributed digital information environment for digital library development, this paper explores the advantages, basic processes, design principles, major tasks, and implementation examples of the open description mechanisms.
This paper first introduced and analysed several Webbased database access technologies and their limitations. It focused on the technical elements of Servlet and JDBC, also, the implementation procedure and mechanism of accessing method to databases through them. At last, the system solution to accessing heterogeneous database in library based Browser-Server multi-tier model and Java technology is given.
There are 25 charts that contain 300 or more SC-Matadata in Scholar Digital Library (SDL) system, which relate to three kinds of information as book, magazine and newspaper. It also introduces the corresponding relationship between the SC-Matadata and CNMARC in this paper. By using the SC-Matadata,people can know well the SDL and control the data quality of SDL. Meanwhile, libraries will have their own collections and realize commutative work with other Matadata and the standardization of digital library.
Based on the definition and functions of a digital library, the necessity of digital reference services in digital libraries is discussed, and the role of digital reference librarians is elucidated.
In this paper, the author first discusses the necessity of automatic abstracting, and then introduces its technology background. This paper mainly discusses the characters of the text structure-based automatic abstracting and the methods to realize it. The author evaluates several mathematic models and gives some opinions on them,and also points out the flaws of the traditional methods of automatic abstracting and gives some advice on solving the problems. In the end, the author discusses the application of automatic abstracting in the KDD (Knowledge Discovery from the Data) field.
The following aspects are discussed in this paper: (1)Overview of research and experiment on electric text and Web page automatic classification; (2)The difference between Web page automatic classification in virtual library and that in search engine; (3)Putting forward to a kind of method used for Web page classification in virtual library, (4)Giving a description of Web automatic classification system used in“library and information science” virtual library; (5)Discussing and analyzing the automatic classification result.
This paper discusses the corresponding transformation between USMARC and CNMARC, such as corresponding table of both MARC fields, corresponding rules, the software programming and how to realize smooth transformation of them.
It is necessary for us to establish an archives managing system. There are some shortcomings in the traditional system of archives management, a corresponding method is put forward here, to improve the traditional system. In the end we bring forward the design of a new archives managing system.
This article discusses the way how to design the system of a library's network cabling and considerations of network cabling engineering,through the pracice of the network cabling engineering and the introduce to many network products.
The paper analyses the existence of heterogeneous data sources in Web, and inconvenience to information retrieval user,it elucidates the theory of information retrieval across heterogeneous data sources and gives an example .
Since the Internet grows up and develops, there are more and more network resources and many opened databases appear on it. In order to let the users to use network resources better,the first search engine was presented to the public. As we know, the search engine can search all of the Webpage in Internet, but it can not search into different databases. However the later is paid close attention increasingly by Information Technology specialists. On the other hand, there are should be many different native languages because of the all over the world users. So it is necessary to be able to search in different languages. In this paper, the authors described a way to realize to search in different languages and in different databases, and created the multilingual and multidatabases search system based on Chinese Herbal Drug information. And in this system, the URL commands are used to search and link to different style databases. It is a simple and really multilingual and multi databases search system.
Web of Science is the Web site of ISI. It provides the retrieval interface of ISI's citation indexed databases. This paper introduces the methods of searching these databases.
With the development of Internet the problem of information overloading appeared. In order to provide personalized and practical information to users, information filtering method is put forward at the historic moment. According to domestic and abroad achivement this article discusses network information filtering method and technology in four respects such as expressing user's information needs, text expressing method, information matching method and information feedback method, and existing problem is also proposed.
With the rapid development of World Wide Web, the theory and technology of data mining was applying to WWW,this article introduces basic conception and classification of Web mining, especially principles and methods. In the end,the authors point out the applications of Web mining.
The functions of Internet Information classification is introduced. The cataloging technology of Internet information classification is described from several respects, such as classification system,dividing and ordering of classifications, treating of the relation alternately, users interface, and so on.
ASP technology is one kind of new technology developing the dynamic Web site at present, and extensive used in the development of various specialization Web sites. How of manage ASP's application procedure in order to avoid suffering attacking and destroys is an important question the people must faced with. How the Web site of use ASP's technology carries on the various limits of authority to manage, and how to adopt the safe various safe leak of measure jam, and eliminates the technology method of safe hidden trouble has been expounded by this article.
Connecting scientific method with practical experience together,from the point of music,the author analyses the issue of deep exploitation and rational construction of musical information in internet, by using the data in the following articles:Database of LING NAN Music Acoustics and Database of Disquisition on LING NAN Music.
Based on the analysis of current R&D of image search engine and united with my development experience , a new search engine based on meaning association is provided . The content of images is represented by the text content beside them . To generate electronic words DB automaticly , the system analyzes the record of users' retrieval , and discovers the relationship between words, then organizes the words and relationship by the way of knowledge DB . Thus, the system can finish the retrieval intelligently.
This article, in dealing with the ever-increasing audio-video materials in library, advances a thorough solution by applying new streaming media technology.
The author introduces and evaluates the main image retrieval techniques in this field and illustrates some advanced image retrieval demo systems based on expounding the basic principle of image information retrieval on World Wide Web. At last, some problems need pay more attention to are presented.
This article summarizes the ecurities IT application in China ,including the IT application and system construction of securities companies，the network system application, and the software and system security of securities company' branches;and then analyses the IT application of China from the following four aspects: the factors affecting securities IT application , the problems of Securities IT application, the globalization trend of capital market in the International stocks exchanges ,the future development trend of IT application and focuses in China securities market.The article provides relatively general reference for the practitioners of securities companies and securities IT application .
This paper discusses the necessity of building Internet information navigation database of the key disciplines,the scope of collecting information and the technical enviroment for the database. Meanwhile, the paper gives a design of the database and points out some problems to be solved.
In the paper, the author gives an example to show how to set up the Internet of computer information network of the Amalgamated College Libraries. It Introduces the analysis request, function and feature, the design of the network system structure, and hardware of networks, ect.
This paper contacting the development of document retrieval system,describes the applications of ADO technology on Web.giving a description of the work principle,the source of ODBC bibliograthy's appointment,the approach of document retrieval, and its design in detail,ect analyzing the application scope of ADO technology.
The development of Internet and information technology provides a great opportunity for library's digital information resource building. It has become a chief problem in the course of digital library building that readers can search digital collections conveniently and quickly by the powerful search engines through the library's Web site. Jilin University Library builds its Web site and databases based on TRS (Text Retrieval System), which has become a core technology during its Web site building and development. This article briefly introduces the process, experience and achievement of our library Web site building using TRS.
This paper is mainly concerned about the system analysis, design and implementation process of equipment management system in Tsinghua University Library.and how to solve the puzzling problem is also discussed.
This thesis firstly elaborates the basic concept of CAI courseware, multimedia, multimedia technology as well as multimedia CAI courseware, then analyzes the development environment and the process of multimedia CAI courseware by way of software engineering and teaching material. This paper briefly discusses the development content of multimedia CAI courseware in two aspects, that is, integration and interactivity. Finally, the development foreground of multimedia CAI courseware is forecasted.