3341 search results - page 273 / 669 » On Bounded Queries and Approximation |
272
click to vote
BDA
2007
15 years 8 months ago
2007
In content-based retrieval, relevance feedback (RF) is a noticeable method for reducing the “semantic gap” between the low-level features describing the content and the usually...
180
click to vote
ATAL
2004
Springer
16 years 2 days ago
2004
Springer
Combinatorial auctions, where agents can bid on bundles of items (resources, tasks, etc.), are desirable because the agents can express complementarity and substitutability among ...
151
click to vote
CORR
2010
Springer
15 years 6 months ago
2010
Springer
We address the problem of building an index for a set D of n strings, where each string location is a subset of some finite integer alphabet of size , so that we can answer effici...
173
click to vote
STOC
2004
ACM
16 years 7 months ago
2004
ACM
We prove the following inequality: for every positive integer n and every collection X1, . . . , Xn of nonnegative independent random variables that each has expectation 1, the pr...
181
click to vote
JC
2006
15 years 6 months ago
2006
We study the optimal approximation of the solution of an operator equation A(u) = f by four types of mappings: a) linear mappings of rank n; b) n-term approximation with respect t...