As a part of online system,user-interface takes an important role in information searching. This paper mainly discusses the following three questions about user- interface technology: (1) styles of user-interfaces, includes command language, menu selection, direct manipulation, NLP-based intelligent interface, etc; (2) user-interface systems types, such as gateway , front-ends system. inter- mediary system. Their functions are extensively explored; (3) further developments in the future, some key interface technologies are listed.
The document computer training system includes computer course demonstration, instruction training and test system. The instruction training system has computer management of the purchase, coding, circulate and retrieval on library automation. The system has been designed and implemented above.
The thesis based on the experimental system which the Single Chinese Character Retrieval was used in FOXPRO. Through the self-designed experimental system, we could find out the retrieval effiency of news database between the automatic indexing and free indexing and analyse the influence relationship of the two index ways. So it was continued for studying the possibility of the automatic indexing instead of the free indexing. Last, the improving suggestion and the principles of the experiment were proposed.
Electronic records, having many traits different from paper records, brings convenience to social communication together with destruction to organization s countabitity and evidence. We can not keep this world progressing smoothly unless we find ways to protect It.
This paper is based on ASP (Active Server Pages) to analyses the mechanism of database management over the WWW (World Wide Web), and then illustrate the main points of this new technology in details. At the end of this article, the author gives an example of researching the database.
The requirements of information system from modern information service are multi-layered,more and more higher level demands come from the usage of many new technologies and conceptions. According to the choice of information system of University of Wisconsin System, this article introduces the requirements of information system from modern information service.
In this paper, the author briefly introduces the background of the Network of University Library of Guangdong (NULOG) and discusses the objectives of the network. Current progress of the network is also described, including the status of the network, the complete set for hardware, the system software, the database system, the exploit tools, the exploit and features for the application systems, and the database size in the system. The further design and goals for the network are discussed in the paper.
This paper describes the new database services system introduced by UMI recently, and discusses retrival methods、 user s interface. output formats and subject list etc.
The authors find the users satisfactory rate is less than 10%,the retrieving effect and efficency is low according to the satistics of CSTPC(Chinese Scientific and Technical Papers and Citations Database) use of the University from 1996 to 1998. The authors analyze the causes of affecting CSTPC retrieving efficency and offer suggestions to improve retrieving efficency according to CSTPC structure,indexing quality, update rate and etc.
This papr discusses characteristics and advantages of digital library,and main problems exist in digital library, expounds characteristics of Java technique, points out advantages of digital library adopting Java technique. Practical example shows that Java technique has a broad prospect in digital library.
This paper introduces the Digital Libraries Initiative Projects in the United States under the sponsorship and organization of NSF,DARPA and NASA, emphasizes its parts of organization and special characters. Also the paper discusses the development of Digital Library in our country in the future.
More and more attention has been paid to the information indexing on multimedia databases since 1980. Based on the achieved reseach results, this paper puts forward some kinds of indexing methods,also analyses basic principles, advantages and disadvantages of every kind.
In this paper, The author discusses the characteristics, function of digital libraries and technical requirements for them as well as enlightenment to us from the development of digital libraries.
With the rapid development of computer and network,many new problems occur in copyright protection under the network environment. The author mainly analyses the three aspects:the copyright belonging of digital works, the property of works spreading on the network and copyright management of works under the network environment.
This paper is a statistics about research of the knowledge righte protection under environment of network in our country for five years, and analyze the dates about its process, recent situation and developmental trend. These will be helpful for our country s network construct and the research of the knowledge rights protection under environment of network.
The magazine "New Technology of Library and Information Service" has published 85 issues,including 1026 pieces of articles during 1980-1998. In average there are 12. 1 pieces in an issue, 5.1 pages in an piece. There are references in 59. 5% articles, 2. 9 items per article. 9. 4% quotations are from this magazine oneself. 35. 2% articles were written by co-writers. Ten writers present & pieces or more. Through effort this magazine has become an excellent one of Chinese library science and core one of information science with its special character.
The standard of library automation depends on MIS. The development of software bases on the library work requirement and adapts to the environment and the trend, aiming at the improvement of the information service quality. An integrated academic library automation system should be a modern MIS basing on the Internet and information service, including modern office and electronic business. This paper discusses the development trend of the integrated library automation system and points out the inadequacy of the system being used today.
Along with the rapid development of computer network and information technology, the inexorable trend is libraries must provide information for readers through information network. The paper described construction and application of the special information network in te work unit of the author.
This paper advanced a tactics for setup to a good Internet station. It s "Cornerstone", "Important passageway", "Key", "Glue "and"Lifeline ".
The rapid development of information saving and spreading technologies pluses the demand of cultivating qualified intellectuals for the 21th century requiring to strengthen the computer element in the document retrieval course for the college students. The paper offers some details and basic methods in computer retrieval teaching after fully considering the library present situation.
In this paper the author discusses the importance of making the homepage for colleges and universities libraries. A brief introduction about HTML is given,and the procedure of making it is discussed. Finally, Some ideas are discussed about what should be pay attention to during the procedure.