The development of knowledge economy and information technology is changing the infrastructure of information services. Investigation on the development and basic principles of “the post digital library” and NSF/ACP in this paper leads to conclude that the transformation from the information infrastructure to the knowledge infrastructure is a necessity to develop the knowledge based information services in 21 century. Outlined in this paper are the framework of knowledge infrastructure and the key technologies for architecting knowledge infrastructure, such as grid technology, Web Services, knowledge organization system, collaboration for scientific research and personalized services, etc.
This paper introduces the history of DDI—a metadata standard used for social science information organization, analyzes DDI’s inner structure, concept model and compatibility with others. Then, some mature applications and tools for DDI data exchange are listed. Finally, several important issues that should be dealt with urgently are analyzed, and future directions are prospected
Digital repositories, one of the solutions for digital content management, are more popularly deployed in scholarly communication, digital library, and digital preservation. Within so many scenarios Fedora has gained great attention for its flexible and extensible technology in repositories. We particularly analyze the concepts and principle of the digital object and repository architecture of Fedora. And for it’s just a lay in digital repositories, we approach several expansive proposes, also with an instance of digital library of Tufts University.
In this paper, remarkable problems during the XML metadata exchange among different systems are summarized and analyzed, based upon those emerging during the research and experiment of digitized resource construction in the library of China Agricaltural University. A practical method for XML metadata exchange among different systems via XSLT is introduced finally.
This paper studies the LHS of RA in the DOI system, presents an improvement to make the LHS of RA more secure and high available based on Handle System standards and DOI system mechanism.
The paper introduces China - US Million Book Digital Library Project , expatiating the meaning of the development of auto check software , primarily analyzes from the quality standard and resource characteristics of the digital book data and the technique of the data quality auto check, then recommend the design of the auto check of the digital books data quality. Lastly，the paper analyzes the result of application of the auto check tools.
The KIM platform is a typical information retrieval system based on Ontology, it provides a novel knowledge and information management infrastructure and services for automatic semantic annotation, indexing, and retrieval of documents.The paper analyses the system in detail.
Implementation and Key Technology of Information Service Platform over IPv6
PAT array is a new full-text indexing structure . In this paper ,we discuss it’s feasibility to chinese full-text indexing and propose our new algorithm of constructing PAT arrays. According to the theoretic analysis and the experiment result, the new algorithm has better performance .
Following google corporation,Yahoo corporation has also published its free and limited Web search services APIs. This paper introduces the technical features of Yahoo search services,describes briefly the invoking interfaces and the structures of the returned document,gives the technical essences and realized codes of a search Website based on ASP.NET, and designs and implements an instance of search Website.
This paper mainly anatomies the structure of ARK identifier, describes how to name the digital resources with ARK, introduces the character and quality control of ARK.
Because of the complexity of the operation and the levity of the requirement in high school, it is very difficult to build the Management Information Systems. This paper firstly attends the software architecture pattern, then constructs an application software development framework which is build upon the MVC pattern based on the J2EE, at last describes the design and implementation of the application software construct platform.
The study is to establish the biomedical bibliographic database in western journals taking the western periodicals from the PLA Medical Library as the target. The guiding principle for source journal selection, data processing and data integration is described by investigation of the western journal resources distribution in the library. The article outlines the structure, type, scope and characteristics of the database. The retrieval characters and service mode of the database is systematically introduced and meanwhile the significance and role of the database is emphasized.
The management and effective utilization of digital information resources is one of the frontier subjects today. and the visualization model methods of the image management are the most important parts of it. This paper discussed how to extract, store, and transform image features, and then to build a visualized model.
The applications of the technology of VLAN, L3-switch and access-list are studied in this paper to establish the computer network safety system of the college library based on network layer. The computer network safety system based on network layer is the most important part of the whole computer network safety system of the college library.
Based on the analysis of the challenge problems in web testing environment, this article discusses the design and implementation of a knowledge-based automatic web testing platform which is subject-independent and grade-independent. Detail issues about the design of knowledge base and analysis algorithm are discussed in this paper.
Reserve collection is one of the most important information in library; it can guarantee to enhance teaching quality. At present, reserve collection is becoming electronic. From the view of teachers and students’ demand in university, this paper begins with the convenience of reserve collection, then accomplish electronic reserve collection system using MVC design model and JSP developing tool. Now, this system is well running in library for a year.
This paper mainly builds the IA evaluating targets of information service Website, and presents an example of xingcheng information service Website. This example explains how to use these targets to evaluate the Website, and give advice according to the result.
This paper discuss the application of VPN in library, concern in detail the way to implement VPN server based on PPTP in Linux environment with library as a case in point, solve the problem that the outside readers can’t use the electrical resource of the university library.
The article expound the design and realization of Website management system of library using Apache+PHP+Mysql under Red Hat Linux9.0.It includes three sections,building system platform,designing system structure and realization.
This article introduces the Web teaching materials management system based on JSP technology. This system adopts three layers architecture, JSP technology and Java programming language ,and uses SQL Server2000 as it’s background DBMS .In this article ,the author expatiates the operational principle, system characteristics ,modular structure and release technology of JSP .Finally, this article also introduces the system realization and the Web server configuration .
The aim of the system is setting up the accounts books for all the small scale business in the area, producing the report forms, analyzing the data of report forms and giving evaluation report. In this paper we describe the flow of software engineer. For the large scale data in accountant information system and the requirement of system response capability, a lot of measures have been discussed.
We produce relations between the operation flow and the data sheet in TRS Dpaper, analysys the status value of different stage and full text retrieval principle, introduces some method of application in dissertation full text database construction.