454 search results - page 57 / 91 » SPARQL Query Processing with Conventional Relational Databas... |
COOPIS
2004
IEEE
15 years 2 months ago
2004
IEEE
Querying and integrating sources of structured data from the Web in most cases requires similarity-based concepts to deal with data level conflicts. This is due to the often errone...
173
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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
ICDE
2010
IEEE
15 years 6 months ago
2010
IEEE
— One of the most prominent data quality problems is the existence of duplicate records. Current data cleaning systems usually produce one clean instance (repair) of the input da...
SIGMOD
2004
ACM
15 years 11 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...
90
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ICDE
2010
IEEE
15 years 10 months ago
2010
IEEE
Searching and extracting meaningful information out of highly heterogeneous datasets is a hot topic that received a lot of attention. However, the existing solutions are based on e...