298 search results - page 54 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
155
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SIGMOD
2005
ACM
15 years 11 months ago
2005
ACM
We present a method to evaluate path queries based on the novel concept of partial path instances. Our method (1) maximizes performance by means of sequential scans or asynchronou...
CIKM
2005
Springer
15 years 4 months ago
2005
Springer
In this paper, we propose a versatile disambiguation approach which can be used to make explicit the meaning of structure based information such as XML schemas, XML document struc...
119
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VLDB
2005
ACM
15 years 4 months ago
2005
ACM
As increasing amount of data is published in the form of XML, copyright protection of XML data is becoming an important requirement for many applications. While digital watermarki...
CIDR
2009
15 years 2 days ago
2009
In recent years, column stores (or C-stores for short) have emerged as a novel approach to deal with read-mostly data warehousing applications. Experimental evidence suggests that...
GPEM
2006
14 years 11 months ago
2006
Abstract. Too much information kills information. This common statement applies to huge databases, where state of the art search engines may retrieve hundreds of very similar docum...