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This paper discusses the place of GTE as an approach for bridging the gap between CAL and ITS systems. DCG is our architecture for dynamic courseware generation, which allows dynamic planning of the contents of an instructional course with a given goal. Finally, a further development of DCG by combining it with GTE is described which includes explicit representation of generic teaching knowledge. This allows dynamic planning of how a selected contents will be presented to the student. 相似文献
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This paper aims at identifying the factors influencing the implementation of Web accessibility (WA) by European banks. We studied a database made up of 49 European banks whose shares are included in the Dow Jones EURO STOXX® TMI Banks [8300] Index. Regarding the factors for the implementation, we considered three feasible reasons. Firstly, WA adoption can be motivated by operational factors, as WA can aid in increasing operational efficiency. Secondly, we expect large banks to have higher WA levels, as small firms face competitive disadvantages with regard to technology adoption. Lastly, WA can also be understood as a part of the Corporate Social Responsibility (CSR) strategy, so, the more committed a bank is to CSR, the more prone it will be to implement WA. Our results indicate that neither the operational factors nor the firm size seem to have exerted a significant influence on WA adoption. Regarding CSR commitment, results indicate a significant influence on WA adoption. However, the effect of the influence is contrary to that hypothesized, since more CSR-committed banks have less accessible Web sites. A possible reason for this result is that banks not included in the CSR indexes try to overcome this drawback by engaging in alternative CSR activities such as WA. 相似文献
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Julita Vassileva & Ralph Deters 《British journal of educational technology : journal of the Council for Educational Technology》1998,29(1):5-14
We have developed a tool for the authoring of adaptive CAL courses, called "Dynamic Courseware Generator" (DCG). It generates an individual course according to the learner's goals and previous knowledge, and dynamically adapts the course according to the learner's success in acquiring knowledge. The DCG runs on a WWW server. The learner receives from this server an individualised course targeted to a specified goal. Afterwards, s/he is adaptively guided by the course through a space of teaching materials on the WWW. Unlike other CAL courses on the WWW, a course produced by the DCG is interactive, it tests the learner's knowledge and dynamically adapts to the student's progress. The authoring tool can be used also for collaborative authoring and learning. 相似文献
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Users of Social Networking Sites (SNSs) like Facebook, LinkedIn or Twitter, are facing two problems: (1) it is difficult for them to keep track of their social friendships and friends’ social activities scattered across different SNSs; and (2) they are often overwhelmed by the huge amount of social data (friends’ updates and other activities). To address these two problems, we propose a user-centric system called “SocConnect” (Social Connect) for aggregating social data from different SNSs and allowing users to create personalized social and semantic contexts for their social data. Users can blend and group friends on different SNSs, and rate the friends and their activities as favourite, neutral or disliked. SocConnect then provides personalized recommendation of friends’ activities that may be interesting to each user, using machine learning techniques. A prototype is also implemented to demonstrate these functionalities of SocConnect. Evaluation on real users confirms that users generally like the proposed functionalities of our system, and machine learning can be effectively applied to provide personalized recommendation of friends’ activities and help users deal with cognitive overload. 相似文献
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Julita Jabłecka 《Higher Education in Europe》2001,26(3):367-379
The success of the Polish private tertiary-level business school, Wy sza Szko ^ a Biznesu-National Louis University (WSB-NLU) in Nowy Sacz, is discussed and analyzed. The reasons for the success of this institution in filling a niche are underlined. While, at the start, the institution was designed as one that would meet local educational needs in a specialized field, it has evolved and has taken on national and even international importance. Most of the institutional success is attributed to the drive and entrepreneurial spirit of the Rector. WSB-NLU is a positive example of education and business enterprise, flexibility, and effectiveness in gaining competitive advantage. 相似文献
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