In the course of digital library's construction and development, both service categories and resources storages are increased. We should consider the problem of how to purchase device and deploy application reasonable, how to provide stable, flexible and fast services to the users. We get the experiences of using load balances to solving this kind of problem during we upgrade the EI server. In the first part of this paper, the category and strategy of load balance are exposed, and in the second part of this paper, the load balance's application instance of EI server is expanded.
This article makes a comprehensive introduction of the application programs of DC in China. A few questions are put forward concerning the application of DC in China and the article ends with a few thoughts and analysis on the problems in the application.
Since the Open E-book Publication Structure (OEBPS) describes structure of single E-book, the product based on this specification is only semifinished article of an E-book. To be the finished product, the specific data encapsulating program is necessary to generate the E-book with specific format. In the development of digital library, we should research the standardization of resource as well as the content format of E-books and publishing structure on Web.
Video resources have become an important part in more and more college library. In this paper, the anthors introduce the encoding and storage technology of digital video files, and also present a services plan for librarian and end-user, and make full use of video resources.
The backup system of tape library is one of the most important application based on SAN. The paper discusses the LAN-free and Server-less backup frameworks and how to choose the right framework in a digital library.
This paper introduces characteristics, construction and function of teaching and researching digital library, construction and function of column construction and several remarkable problems related with the construction of digital library.
Targeting problems in information retrieval in general and intelligent information retrieval in particular, this paper proposes a “Pre-controlled” intelligent information retrieval system, which utilizes more effectively the
high-quality catalog directories of network resources and is designed to satisfy the need of average users. With the help of the graphic “knowledge map”, it can quickly and accurately locate the scope of information that users need, hence enhancing the efficiency and precision of information retrieval. It also analyzes the key technology to realize the system and the problems needed to be researched further.
Frequently a user's information needs are stored in the databases of multiple search platforms. It is inconvenient and inefficient for an ordinary user to invoke multiple databases and identify useful documents from the returned result. To support unified access to multiple databases, a federated searching engine can be constructed. This article presents a model of federated searching software component architecture, and introduces the implementation of search agent module in .Net framework.
The author summarized the problem of the information retrieval and proposed the advantage of information retrieval based on P2P。Finally ,the author builded an information retrieval model based on P2P in order that the field of information retrieval could be promoted and developed rapidly and intelligently.
Based on the character of large Scale metasearch engines ,this paper discusses the construcion of automatic modules and analyses the feasibility in practice,then prospects the future work and gives some suggestions.
Through the investigation on the status of network database resource constructing in Shandong academic libraries,the authors analyze the existing problems,also make some suggestions and should notice some
questions on how to construct and develop network database resource.
Based on the survey and statistics of the resource distribution and types of the online data-base of Jiangsu province college and University libraries, the present state and limitations of the online database resource are discussed in this paper , relevant suggestions are also presented for the future development of the database resource of Jiangsu college and university libraries.
This article studies by comparison such aspects of the four searching engines in common use as index database, searching function, searching result and user interface in the research of network information measurement, and indicates their advantages and shortcomings.
After analyzing some mature MyLibrary systems, the authors propose a novel MyLibrary system based on XML/Webservice/WSDL, which comprises of three functional layers. The kernel function and the implementation of all layers will be detailed in this paper. This system has obvious improvement in opening, individuation and security.
The paper expatiates that library use Dreamweaver MX and ASP to achieve the construction of the Internet navigation system for the key subjects.The system achieves the function of dynamic display, searches,management.
Teaching resources visualization is an important part of education reform and innovation. This paper discusses some problems on developing courseware, including division of knowledge units, establishment of multimedia material, description of resource library elements (multimedia objects) using XML/RDF, index system and visual methods.
This paper introduces information retrieval course network five major function and structure of module of tutoring system that we design emphatically. And sketches the key technology of structuring course of the network.
The paper analyses the main problem in digital utilization of literature，puts forward several countermeasures in view of this situation.
The information sharing platform developed by J2EE is B/S Structure,open mode,compatibility,expansibility and security.It will be adopted in information sharing platform. This paper studies the frame and the kernel technology of the information resource sharing platform based on B/S structure,gives the base model of the sharing platform.
This paper discusses the advantage of JSP in comparison with other technology and introduces the model and theory of the design and implementation of system and the multiple threads based on Java.
The. NET Framework is the next generation application software platform that the Microsoft company release. This paper introduces .NET Framework platform technique, and makes use of .NET Framework Platform to realize purchasing mode based on Web in the development of digital library.
Xiamen University Library provides a new type of service-Data Backup and Exchange Online (trial) based on File Transfer Protocol and Hypertext Transfer Protocol. The design and realization of this service is discussed in this paper.
This paper introduce how to utilize the check machine assist library collection check by combining practice closely.
The article introduces that Maintenance Practise of Modern Electronic Library Information Net System by bringing up the question and analysing the cause and summing up the experience for mutual encouragement with craft brother.
This article describes the problems of the ASP Web sites security in detail, by introducing the common leak of the operation system providing the ASP service and ASP program, and gives the corresponding resolvents and advices.
There are too many sexy gut on the internet ,this text tells us how to prevent it from coming into the campus.
This article introduces the “Periodical Management System Software”developed by Shandong University Library. After being used in the reading service for half year, this software proves to be of satisfying effect. It increases working efficiency and puts the management of the periodical reading service inorder. So it is worth recommendation.