111 search results - page 2 / 23 » Randomized computations on large data sets: tight lower boun... |
CORR
2010
Springer
13 years 5 months ago
2010
Springer
In this paper we show how the complexity of performing nearest neighbor (NNS) search on a metric space is related to the expansion of the metric space. Given a metric space we loo...
ICALP
2009
Springer
14 years 5 months ago
2009
Springer
We study the cover time of multiple random walks. Given a graph G of n vertices, assume that k independent random walks start from the same vertex. The parameter of interest is the...
ICPR
2010
IEEE
13 years 12 months ago
2010
IEEE
We consider the problem of classification in nonadaptive dimensionality reduction. Specifically, we bound the increase in classification error of Fisher’s Linear Discriminant...
FOCS
2005
IEEE
13 years 10 months ago
2005
IEEE
This paper proves ¡ £ ¥ lower bounds on the time to perform a single instance of an operation in any implementation of a large class of data structures shared by £ processe...
APPROX
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Given a directed graph G = (V, E) and an integer k 1, a ktransitive-closure-spanner (k-TC-spanner) of G is a directed graph H = (V, EH ) that has (1) the same transitive...