98 search results - page 3 / 20 » Lower bounds in communication complexity based on factorizat... |
FOCS
2004
IEEE
13 years 11 months ago
2004
IEEE
We consider the approximate nearest neighbour search problem on the Hamming cube {0, 1}d. We show that a randomised cell probe algorithm that uses polynomial storage and word size...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— We consider the problem of estimating cascaded aggregates over a matrix presented as a sequence of updates in a data stream. A cascaded aggregate P ◦Q is defined by ...
FOCS
2007
IEEE
14 years 1 months ago
2007
IEEE
We show that any deterministic data-stream algorithm that makes a constant number of passes over the input and gives a constant factor approximation of the length of the longest i...
COCOON
2005
Springer
14 years 26 days ago
2005
Springer
Rocchio’s similarity-based relevance feedback algorithm, one of the most important query reformation methods in information retrieval, is essentially an adaptive supervised lear...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We consider the following question: given a two-argument boolean function f, represented as an N ? N binary matrix, how hard is to determine the (deterministic) communication comp...