350 search results - page 66 / 70 » An optimization framework for map-reduce queries |
110
Voted
AMW
2009
15 years 1 months ago
2009
In data exchange, data are materialised from a source schema to a target schema, according to suitable source-to-target constraints. Constraints are also expressed on the target sc...
139
Voted
KDD
2012
ACM
13 years 3 months ago
2012
ACM
In this paper, we investigate a problem of predicting what images are likely to appear on the Web at a future time point, given a query word and a database of historical image str...
106
Voted
STOC
2004
ACM
16 years 26 days ago
2004
ACM
We prove an (lg n) cell-probe lower bound on maintaining connectivity in dynamic graphs, as well as a more general trade-off between updates and queries. Our bound holds even if t...
99
Voted
ICS
2010
Tsinghua U.
15 years 10 months ago
2010
Tsinghua U.
We consider the problem of boosting the accuracy of weak learning algorithms in the agnostic learning framework of Haussler (1992) and Kearns et al. (1992). Known algorithms for t...
IPPS
2009
IEEE
15 years 7 months ago
2009
IEEE
In this paper, we explore the problem of mapping filtering services on large-scale heterogeneous platforms. Two important optimization criteria should be considered in such a fra...