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SIGMOD
1997
ACM
172views Database» more  SIGMOD 1997»
13 years 10 months ago
An Array-Based Algorithm for Simultaneous Multidimensional Aggregates
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
Yihong Zhao, Prasad Deshpande, Jeffrey F. Naughton
EDBT
2009
ACM
156views Database» more  EDBT 2009»
13 years 9 months ago
Efficient skyline retrieval with arbitrary similarity measures
A skyline query returns a set of objects that are not dominated by other objects. An object is said to dominate another if it is closer to the query than the latter on all factors...
Deepak P, Prasad M. Deshpande, Debapriyo Majumdar,...
AAAI
1998
13 years 7 months ago
Producing BT's Yellow Pages with Formation
This case study illustrates how the adoption of AI technology can bene t smaller companies as well as major corporations. Pindar Set is a small UK company which has originated the...
Gail Anderson, Andrew Casson-du Mont, Ann Macintos...
USENIX
2003
13 years 7 months ago
Operating System I/O Speculation: How Two Invocations Are Faster Than One
We present an in-kernel disk prefetcher which uses speculative execution to determine what data an application is likely to require in the near future. By placing our design withi...
Keir Faser, Fay Chang
IVCNZ
1998
13 years 7 months ago
Duality Principles in Image Processing and Analysis
Duality is a well-established concept in quantum physics. It formalises the fact that what one observes is not nature in itself, but--in Heisenberg's words--"nature expo...
Luc Florack