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DL
1998
Springer
13 years 9 months ago
1998
Springer
The recent explosion of on-line information in Digital Libraries and on the World Wide Web has given rise to a number of query-based search engines and manually constructed topica...
ACE
2004
13 years 6 months ago
2004
A key problem in facilitating a successful online course is the highly time -consuming nature of the administrative and pedagogical tasks involved. It is also difficult to achieve...