32545 search results - page 6277 / 6509 » Data Structures and Algorithms |
251
Voted
SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
168
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...
164
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
175
Voted
EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
189
Voted
ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Similarity joins have been studied as key operations in multiple application domains, e.g., record linkage, data cleaning, multimedia and video applications, and phenomena detectio...