845 search results - page 104 / 169 » Querying structured information sources on the web |
283
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...
202
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EDBT
2012
ACM
13 years 8 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
156
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WEBDB
2004
Springer
15 years 11 months ago
2004
Springer
On the Web, there is a pervasive use of XML to give lightweight semantics to textual collections. Such documentcentric XML collections require a query language that can gracefully...
163
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OTM
2007
Springer
16 years 9 days ago
2007
Springer
In the last years, there has been an increasing interest in the performance of reasoning on the Semantic Web in presence of large ABoxes. Traditional reasoners make heavily use of ...
163
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IDEAL
2004
Springer
15 years 11 months ago
2004
Springer
Recently, it seems to be interested in the conversational agent as an effective and familiar information provider. Most of conversational agents reply to user’s queries based on ...