8259 search results - page 821 / 1652 » Self-Tuning Database Systems |
207
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PODS
2004
ACM
16 years 7 months ago
2004
ACM
Unions of conjunctive queries, also known as select-project-join-union queries, are the most frequently asked queries in relational database systems. These queries are definable b...
203
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PODS
2008
ACM
16 years 7 months ago
2008
ACM
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
237
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DASFAA
2009
IEEE
16 years 2 months ago
2009
IEEE
Abstract. In many application domains, e.g. sensor databases, traffic management or recognition systems, objects have to be compared based on positionally and existentially uncert...
190
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PAKDD
2009
ACM
16 years 2 months ago
2009
ACM
Abstract. An object o of a database D is called a hot item, if there is a sufficiently large population of other objects in D that are similar to o. In other words, hot items are ...
224
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CIKM
2009
Springer
16 years 2 months ago
2009
Springer
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...