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159
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VRML
2003
ACM
15 years 11 months ago
2003
ACM
This paper presents the second edition of our multicast protocol designed to enable shared v irtual worlds. This secon d release was u nderta ken to prov ide an interaction method...
157
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WIDM
2003
ACM
15 years 11 months ago
2003
ACM
Hierarchical categorization of documents is a task receiving growing interest due to the widespread proliferation of topic hierarchies for text documents. The worst problem of hie...
162
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WIDM
2003
ACM
15 years 11 months ago
2003
ACM
Extracting data from Web pages using wrappers is a fundamental problem arising in a large variety of applications of vast practical interests. There are two main issues relevant t...
189
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WIDM
2003
ACM
15 years 11 months ago
2003
ACM
Ontologies play an important role in the Semantic Web. Currently, several Web ontology languages have been proposed and there has been a substantial effort towards the formalizat...
182
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WIDM
2003
ACM
15 years 11 months ago
2003
ACM
The advent of e-commerce has created a trend that brought thousands of catalogs online. Most of these websites are “taxonomy-directed”. A Web site is said to be ``taxonomydire...