• Title/Summary/Keyword: Web resources

Search Result 1,015, Processing Time 0.028 seconds

Development of Web Crawler for Archiving Web Resources (웹 자원 아카이빙을 위한 웹 크롤러 연구 개발)

  • Kim, Kwang-Young;Lee, Won-Goo;Lee, Min-Ho;Yoon, Hwa-Mook;Shin, Sung-Ho
    • The Journal of the Korea Contents Association
    • /
    • v.11 no.9
    • /
    • pp.9-16
    • /
    • 2011
  • There are no way of collection, preservation and utilization for web resources after the service is terminated and is gone. However, these Web resources, regardless of the importance of periodically or aperiodically updated or have been destroyed. Therefore, to collect and preserve Web resources Web archive is being emphasized. Web resources collected periodically in order to develop Web archiving crawlers only was required. In this study, from the collection of Web resources to be used for archiving existing web crawlers to analyze the strengths and weaknesses. We have developed web archiving systems for the best collection of web resources.

A Study on Building a Web-based Reference Resources Site (웹 기반 참고정보원 사이트의 구축에 관한 연구)

  • 문정순
    • Journal of Korean Library and Information Science Society
    • /
    • v.30 no.4
    • /
    • pp.229-254
    • /
    • 1999
  • As the number of Web reference resources are gradually increasing, reference librarians have to create a Web-based reference resources site. This site includes links to the Web reference resources of good quality, so that reference librarians and users will become accustomed to using these resources. This Study first explores the function of the Web-based reference resources site. Next, it carries out a survey of the current trends in america and Korea. Finally, a model Web-based reference resources site for academic libraries is developed.

  • PDF

An Experimental Study of Cocitation Analysis on Web Information (웹 정보원의 동시인용분석에 관한 실험적 연구)

  • 정동열;최윤미
    • Journal of the Korean Society for information Management
    • /
    • v.16 no.2
    • /
    • pp.7-26
    • /
    • 1999
  • This experimental study examines informetric analysis of World Wide Web based upon cocitation analysis of Web pages and features of Web resources in the field of communication studies. Cocitation analysis is basically performed to examine the intellectual structure of the communication studies in reflecting link count on the Web. The selected Web resources in the field are mapped in two dimensions based upon the similarities of cocitation frequency, correlation matrix, mutidimensional scale and cluster analysis. Cocitation analysis methods using organizational homepage, personal homepage, or Web index, to Web produced clustering of Web resources that had topical similarities. So far, although informetric analysis of Web resources is in the preliminary stage, it shows that Web can be a new tool for indicating the intellectual structure of a specific research field. In addition, this study analyzes characteristics of printing resources and Web resources, and differences of research methods in applying cocitation analysis.

  • PDF

Analysis of the Functions of Semantic Web Browsers and Their Applications in Education (시맨틱 웹 브라우저들의 기능 분석 및 교육적 활용)

  • Kim, Hee-Jin;Jung, Hyo-Sook;Yoo, Su-Jin;Park, Seong-Bin
    • The Journal of Korean Association of Computer Education
    • /
    • v.14 no.3
    • /
    • pp.37-49
    • /
    • 2011
  • A user can use resources on the Semantic Web using a Semantic Web browser. In order to utilize the functions of Semantic Web browsers in education, we compared the functions of well-known Semantic Web browsers such as Tabulator, Contextual Search Browser (CSB), Magpie, and Piggy Bank. In order to utilize Semantic Web browsers in education, a user needs to understand the features of each Semantic Web browser and our work can help both teachers and students. Tabulator is an RDF browser that can help to check whether resources can be used for learning and relevance of resources. CSB can be used to search educational resources using a conrtext file that contains the subjects of learning. It can also help learning by showing semantic web resources in the form of triple set as well as by supporting highlighting function. Magpie can help learners without basic knowledge on learning materials by providing interpretation based on a glossary file and related background knowledge. Piggy Bank supports conversion of web resources into semantic web resources and allows to browse semantic web resources in various views as well as to share semantic web resources.

  • PDF

Automatic Extraction of Dependencies between Web Components and Database Resources in Java Web Applications

  • Oh, Jaewon;Ahn, Woo Hyun;Kim, Taegong
    • Journal of information and communication convergence engineering
    • /
    • v.17 no.2
    • /
    • pp.149-160
    • /
    • 2019
  • Web applications typically interact with databases. Therefore, it is very crucial to understand which web components access which database resources when maintaining web apps. Existing research identifies interactions between Java web components, such as JavaServer Pages and servlets but does not extract dependencies between the web components and database resources, such as tables and attributes. This paper proposes a dynamic analysis of Java web apps, which extracts such dependencies from a Java web app and represents them as a graph. The key responsibility of our analysis method is to identify when web components access database resources. To fulfill this responsibility, our method dynamically observes the database-related objects provided in the Java standard library using the proxy pattern, which can be applied to control access to a desired object. This study also experiments with open source web apps to verify the feasibility of the proposed method.

A Study on the Accessibility of Web Resources via Citation Analysis (인용문헌에 나타난 웹 자원의 접근성에 관한 연구)

  • Kim, Hong-Ryul
    • Journal of the Korean Society for information Management
    • /
    • v.23 no.1 s.59
    • /
    • pp.181-200
    • /
    • 2006
  • The purpose of this study is to analyze the accessibility of web resources contained in the references section of journal articles.1 was identified a total of 1,377 web citations for a major journal in information science over a ten year period. The results show that the accessible ratio of domestic web resources was at 40% and the ratio of foreign web resources about 50%. The accessible ratio of domain type web resources was shown 58% while the same ratio for file type web resources was 45%. This low accessibility of we resources in references poses threat to the overall value of journal articles.

A Review of Web Cache Prefetching

  • Deng, YuFeng;Manoharan, Sathiamoorthy
    • Journal of information and communication convergence engineering
    • /
    • v.12 no.3
    • /
    • pp.161-167
    • /
    • 2014
  • Web caches help to reduce latencies arising from slow networks through storing and reusing what was used before. Repeat access to a cached resource does not incur network latencies. However, resources that have never been used will not be found in the cache. Cache prefetching is a technique that helps to fill a cache with still-unused resources in anticipation that these resources will be used in the near future. Typically these unused resources are related to the resources that have been accessed in the recent past. While web caching exploits temporal locality, prefetching attempts to exploit spatial locality. Access to the prefetched resources will be cache hits, and therefore reduces the latency as perceived by the user. This paper reviews the cache infrastructure supported by the hypertext transfer protocol and discusses web cache prefetching in general, including Mozilla's prefetching infrastructure. It then classifies and reviews some prefetching techniques.

IntoPub: A Directory Server for Bioinformatics Tools and Databases

  • Jung, Dong-Soo;Kim, Ji-Han;Lee, Sang-Hyuk;Lee, Byung-Wook
    • Interdisciplinary Bio Central
    • /
    • v.3 no.3
    • /
    • pp.12.1-12.3
    • /
    • 2011
  • Bioinformatics tools and databases are useful for understanding and processing various biological data. Numerous resources are being published each year. It is not a trivial task to find up-to-date relevant tools and databases. Moreover, no server is available to provide comprehensive coverage on bioinformatics resources in all biological fields. Here, we present a directory server called IntoPub that provides information on web resources. First, we downloaded XML-formatted abstracts containing web URLs from the NCBI PubMed database by using 'ESearch-EFetch' function in the NCBI E-utilities. The information is obtained from abstracts in the PubMed by extracting 'www' or 'http' prefixes. Then, we cu-rate the downloaded abstracts both in automatic and manual fashion. As of July 2011, the IntoPub database has 12,118 abstracts containing web URLs from 174 journals. Our anal-ysis shows that the number of abstracts containing web resources has increased signifi-cantly every year. The server has been tested by many biologists from several countries to get opinion on user satisfaction, usefulness, practicability, and ease of use since January 2010. In the IntoPub web server, users can easily find relevant bioinformatics resources, as compared to searching in PubMed. IntoPub will continue to update and incorporate new web resources from PubMed and other literature databases. IntoPub, available at http://into.kobic.re.kr/, is updated every day.

A Study on Improving the OASIS Selection Guidelines (OASIS의 선정지침 개선(안)에 관한 연구)

  • Noh, Young-Hee;Go, Young-Sun
    • Journal of the Korean BIBLIA Society for library and Information Science
    • /
    • v.23 no.3
    • /
    • pp.105-137
    • /
    • 2012
  • The historical, social, and cultural value of Internet resources is indisputable, therefore many national institutions have created Web archiving projects to hand down this heritage to future generations. The selection guidelines are the most crucial aspect of these projects because they aid in differentiating which resources are worth collecting and preserving from the large number of web resources available. The purpose of this study was to suggest improvements for the OASIS Selection Guidelines by analyzing the selection guidelines of other domestic and international Web archiving projects. First, based on the results of Web archiving projects abroad, we proposed improvements for the definition of Web data and other terms, the basic principles of the collection, collection methods, and collection cycle. Second, we proposed substantial improvements in the target resources for archiving, and also stated what kind of web resources must be excluded from Web archiving. Finally, we discussed the relationship between data collection methods and the legal deposit of online resources, the necessity of constructing a database for selected target materials, and the necessity of cooperative archiving policies.

A Comparative Study of Web Information Resources on Science & Technology (과학기술분야 웹 정보원 평가 및 비교 연구)

  • 김석영
    • Journal of Korean Library and Information Science Society
    • /
    • v.33 no.3
    • /
    • pp.133-152
    • /
    • 2002
  • The purpose of this study is to propose the criteria for evaluating web information resources. This study also attempts to get a sense of the overall quality of web information resources and to identify the relationship among the criteria, Particularly those on the science and technology. Three evaluation categories are Proposed; information content functionality or workability, and design. Core features of information content includes authority, relevancy, currency; functionality includes navigation, user support technical requirements; layout and design includes visual appearance. Based on the proposed criteria, the 50 sample web resources selected from 5 different field were evaluated. The results showed that the web information resources on the Electrical and Electronic Engineering field was excellent. The Pearson's correlation coefficient between evaluation criteria showed that information content and functionality had a negative relationship, on the other hand functionality and design had a moderate correlation.

  • PDF