Due to the lack of efficient refresh techniques, current crawlers add unnecessary traffic to the already overloaded Internet. Frequency of visits to sites can be optimized by calculating refresh time dynamically. It helps in improving the effectiveness of the crawling system by efficiently managing the revisiting frequency of a website; and appropriate chance to each type of website to be crawl...

Purpose – The purpose of this paper is to outline an instructional design approach for further development of an African ancestry learning center in order to enhance its educational utility. This is being done in an effort to use technology in transformative ways that extends the practices and opportunities for African Americans. Design/methodology/approach – Assessing the needs of learners, pe...

We present the LingoNet project for creating a ‘web-based language lab’, a website where resources for web-based language training will be collected and made available for use in foreign language education at the university level. One of the most pressing needs in this connection is to develop guidelines, procedures, and tools for the (summative and formative) evaluation of such resources. An i...

Accurate medicine calculation and administration is an essential skill in clinical nursing practice but one that is often difficult for undergraduate nurses to learn. The reasons for this difficulty are unclear, but may include factors such as the diversity of experience and learning abilities of student groups. Our teaching team has devised a web-based solution to assist students in achieving ...

Knowing website traffic flow and structure is essential in order to make website successful and better target visitors. In this article website traffic and structure analysis models in combination of intelligent methods are proposed and theoretical predictions are made on how and what factor changes in website structure will affect visitor click paths and overall website activity.