4616 search results - page 129 / 924 » Beyond relational databases |
248
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
231
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SIGMOD
2008
ACM
16 years 5 months ago
2008
ACM
We present a novel design and implementation of relational join algorithms for new-generation graphics processing units (GPUs). The most recent GPU features include support for wr...
146
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Numerous researchers have proposed to use relational databases to store and query XML documents. One important component of such systems is the XML subtree reconstruction, which r...
163
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SIGMOD
2005
ACM
15 years 10 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
160
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JCSS
2002
15 years 4 months ago
2002
A database programming language is a programming language extended with database operations. In this paper we extend a core functional language with explicitly labeled tuples and ...