4397 search results - page 632 / 880 » Relational Algebra Operations |
139
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JCT
1998
15 years 3 months ago
1998
Let Q(N) denote the number of partitions of N into distinct parts. If ω(k) := 3k2 +k 2 , then it is well known that Q(N) + ∞X k=1 (−1)k “ Q(N − 2ω(k)) + Q(N − 2ω(−k)...
162
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PVLDB
2010
15 years 2 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
161
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PVLDB
2011
14 years 6 months ago
2011
Hadoop has become an attractive platform for large-scale data analytics. In this paper, we identify a major performance bottleneck of Hadoop: its lack of ability to colocate relat...
195
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ICDE
2012
IEEE
13 years 6 months ago
2012
IEEE
—We demonstrate SWITCH, a deep embedding of relational queries into RUBY and RUBY on RAILS. With SWITCH, there is no syntactic or stylistic difference between RUBY programs that ...
258
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...