2859 search results - page 250 / 572 » Querying Complex Structured Databases |
162
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COMGEO
2010
ACM
15 years 6 months ago
2010
ACM
We study the complexity and the I/O-efficient computation of flow on triangulated terrains. We present an acyclic graph, the descent graph, that enables us to trace flow paths in ...
183
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
200
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CORR
2010
Springer
15 years 1 months ago
2010
Springer
Matching dependencies were recently introduced as declarative rules for data cleaning and entity resolution. Enforcing a matching dependency on a database instance identifies the ...
186
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FTDB
2008
15 years 6 months ago
2008
The automatic extraction of information from unstructured sources has opened up new avenues for querying, organizing, and analyzing data by drawing upon the clean semantics of str...
157
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
The XML support in relational databases and the SQL/XML language are still relatively new as compared to purely relational databases and traditional SQL. Today, most database user...