5820 search results - page 1120 / 1164 » The Web as a learning environment |
SEMWEB
2001
Springer
14 years 2 months ago
2001
Springer
Abstract. The upper-level ontologies are theories that capture the most common concepts, which are relevant for many of the tasks involving knowledge extraction, representation, an...
SIGCOMM
1999
ACM
14 years 2 months ago
1999
ACM
This paper presents a novel framework for managing network congestion from an end-to-end perspective. Our work is motivated by several trends in traffic patterns that threaten th...
DL
1998
Springer
14 years 2 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...
APWEB
2009
Springer
14 years 2 months ago
2009
Springer
We present a new method to evaluate a search ontology, which relies on mapping ontology instances to textual documents. On the basis of this mapping, we evaluate the adequacy of on...
DOLAP
2007
ACM
14 years 1 months ago
2007
ACM
ss domain. Using this more abstract approach means that more data sources of varying types can be incorporated with less effort, and such heterogeneous data sources might be very r...