Using High Performance Systems to Build Collections for a Digital Library
نویسنده
چکیده
Nothing is more distributed than the Web, with its content spread across thousands of servers. High performance hardware and software is essential for an effective download, analysis, and organization of this content. We describe our experience with a highly parallel Web crawling system (Mercator) to construct – automatically – collections of scientific resources for the National Science Digital Library.
منابع مشابه
ارزیابی تطبیقی کارایی ساختار فراداده نظامهای شناسگر دیجیتالی
The main solution to the problems of persistency and uniqueness in identification of digital objects in a web environment is provided by using digital identifiers instead of URL. The main basis of this solution is resolution mechanism that is used in digital identifier systems. Resolution is the use of indirect names instead of URLs; what worked for the DNS (Domain Name System) in stabilizing i...
متن کاملDevelopment of Quality Performance of National Digital Library with Kano's Model Approach
Background and Aim: The purpose of this study is to determine the quality requirements of the National Digital Library based on the Kano model and categorize users needs into three groups of: Basic, functional and motivational. Methods: This survey was conducted with a qualitative approach. The requirements of the digital library were extracted using two standards: "Digiqual manual" and the "D...
متن کاملA symbol-based fuzzy decision-making approach to evaluate the user satisfaction on services in academic digital libraries
Academic libraries play a significant role in providing core services that include research, teaching and learning. Usersatisfaction is an important indicator for evaluating the performance of library service. This paper develops a methodfor measuring the user satisfaction in a group decision-making environment. First, the performance of service isevaluated by using questionnaire survey. The sc...
متن کاملDigital library futuristics : Developing countries , universal access , and information for all
Digital libraries are large, organized collections of information objects. Well-designed digital library software has the potential to enable non-specialist people to conceive, assemble, build, and disseminate new information collections. This has great social import because, by democratizing information dissemination, it provides a counterbalance to disturbing commercialization initiatives in ...
متن کاملBuilding Digital Collections Using Open Source Digital Repository Software: A Comparative Study
The last decade a great number of digital library and digital repository systems have been developed and published as open-source software. The variety of available software systems is a factor of confusion when an organization is planning to build a repository infrastructure to host its collections. To simplify the decision process five widely used open-source repository software systems are c...
متن کامل