1529 search results - page 131 / 306 » Querying for meta knowledge |
158
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
187
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
200
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
180
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WWW
2010
ACM
15 years 10 months ago
2010
ACM
KiWi is a semantic Wiki that combines the Wiki philosophy of collaborative content creation with the methods of the Semantic Web in order to enable effective knowledge management...
193
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AMR
2006
Springer
15 years 8 months ago
2006
Springer
Inaccurate or ambiguous expressions in queries lead to poor results in information retrieval. We assume that iterative user feedback can improve the quality of queries. To this end...