27756 search results - page 641 / 5552 » Process Query Systems |
178
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SIGCSE
2005
ACM
16 years 1 months ago
2005
ACM
Universities are increasingly offering courses online. Feedback, assessment, and guidance are important features of this online courseware. Together, in the absence of a human tut...
194
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ECAI
2004
Springer
16 years 25 days ago
2004
Springer
Ontology-based web portal generation and management is an active field of research and development. Recently, many systems have been developed. However, many of them lack the inte...
172
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CAEPIA
2003
Springer
16 years 20 days ago
2003
Springer
Nowadays there is a great effort underway to improve the World Wide Web. A better content organisation, allowing automatic processing, leading to the Semantic Web is one of the mai...
172
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CIKM
2001
Springer
15 years 12 months ago
2001
Springer
We consider the problem of organizing and browsing the top ranked portion of the documents returned by an information retrieval system. We study the effectiveness of a document o...
178
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SSD
1999
Springer
15 years 11 months ago
1999
Springer
The family of R-trees is suitable for storing various kinds of multidimensional objects and is considered an excellent choice for indexing a spatial database. Region Quadtrees are ...