Z39.50 has special advantages concerning of information search and retrieval from heterogeneous systems. The purpose of a Z39.50/Web gateway is to extend the scope of application of Z39.50 by taking advantage of the ease and accessibility provided by the Web. The paper first introduces some of major aspects of Z39.50 standard. And then the model of developing Web-based Z39.50 applications is discussed. At last the rules for designing and implementing a practical Z39.50/Web gateway system for bibliographic information search and retrieval are mainly described.

To construct digital library,metadata and SGML play an important role in organizing the digital resource.The paper describes their development status and what they consist of.

This paper mainly discusses the implement mechanism of applying XML into library system,and an XML based library system frame is put forward. In addition, some relative knowledge and key technologies are introduced.

Based on brief introduction of Lotus Notes characteristics, this paper discusses Lotus Notes application in multimedia document data management, relational database accessing, mail processing and communicating service, and information safety in digital library.

Libraries can present those resources that the user can retrieve all the relevant resources quickly and easily when they apply a kind of classification system in the OPAC.The author puts forward some guidelines about the selection and application of classification system.

The free software LVS(Linux Virtual Server) is introduced here to realize the loading balance of a Web server cluster. Comments are given to resolve problems that maybe appear when LVS works.

The paper briefly introduces the character of the JSP. Based on JSP, the method of querying and cataloging books was proposed on Internet.

With more and more electronic publications come into library, how to manage and use it for meeting reader s requirments is an urgent problem which should be resolved. This paper puts forward a design thought and method of setting up electronic publication aided reading system using RAID technology, and Implementing process in detail and characteristics of this system are discussed, in order to expecting that some help are given to solve the problem.

The paper introduces the common file formats of digital information, and some full-text readers for them, further more, analyses the existing problems and gives some suggestion on developing the full-text reader.

This article discussed the interface between library management system and gate controller. The data transfer technique is mentioned. The data structure of both databases are also given.

The Feature of Internet information distribution is discussed, and some relevant techniques also reviewed. On basis of this, the system of cross-language meta search engine is designed to overcome the language barrier during information searching over Internet.

The search performances of the two search engines Google and Ask Jeeves are compared in this paper. It s found that Google is better than Ask Jeeves in presicion and output display format, however, Ask Jeeves excels in search functions and user effort.

Various electronic information resources are developing rapidly in the academic libraries these years. For enhancing the searching effect and reducing cost, this paper offers a method synthetically using Online systems with Web-based databases, CD-ROM databases and Internet free resources.

This paper introduce how to retrieve Web information by search engine from five aspects of search engine,working mechanism,standards evaluation,classification,methods and skills.

Web of Science, including SCI, SSCI, A&HCI, is the main on-line database of ISI.This paper introduces its distinctive links and utilization.

This paper introduces the realization of the Web database combination retrieve function and skill on the output of image field and raise of reactive speed , provides a part of source program.

This paper describes the principle, characteristic of file and programming of ASP, ASP object and ADO object, and realize the Web retrieving of bibliographic database.

The paper described the background, aim and target, system design, production management, product commercialization and development prospect of CMCC (Chinese Medical Current Contents).

How to realize the VOD service on Intranet, this text will give a complete answer.

To begin with, the article makes a comparison among ASP,PHP and JSP, which are three popular technologies to make active Web pages. Then JSP as a potentially mainstream technology in the future, its characteristics, installation and starting-up and other related technical details are introduced in the article. Finally with the help of an instance, the use of hidden objects in JSP is also explained.

The article summarizes European current situation which government,public and private organizations build information networks of information as supported to SMEs,and suggests that reveals to China.

This paper expounds the technology of publications information database, including data collecting, editing, processing, scientific thesaurus and advanced index technology.

There are lots of finance and securities information resources on the Internet. In the paper, the current situation of finance and securities information resources on the Internet is discussed. And on the basis of this, the searching methods and the retrieval strategies of finance and securities information on the Internet are provided.

There are some new requirements for the information user about document retrieval under the context of Internet . Information education , as a part of the quality of the college students is very important in the 21 st century. The author proposes the current problems existing in the course of document retrieval as well as the trends of the reform on this course in the future.

It is important to design and construct a campus-wide network with high performance and usability in on military academy.With the analysis of data collected in this process , an optimizedand feasible method which can be widely used was introduced in this paper. It also involves the description of the characteristics functions of campus-wide network. The ways to develop the information resources are like wisely discussed.

The construction and system administration in electronic reading rooms of library, Tianjin Normal University were introduced. Also, the feasible methods for the system maintenance to librarians who work in electronic reading rooms were proposed, which is the suitable working processes for the construction of electronic reading rooms of libraries in most of colleges and universities.

This paper were aimed at introducing the design of electric reading room and its introduction of realization in order to do useful exploration of similar function realization for library reading room and so on.

This paper introduces the importance,foundation、contents and orientation of the digital library construction of Harbin Institute of Technology.

This paper introduces the current situation of document information database construction in university library,then analyzes the problems remaining in the construction and gives some suggestion to them respectively.

This paper introduces the application of the ASP technology in library homepages,and presented the whole process of dynamic search in Web database.