128 search results - page 6 / 26 » A random walk approach to sampling hidden databases |
PVLDB
2008
14 years 9 months ago
2008
Many search engines and other web applications suggest auto-completions as the user types in a query. The suggestions are generated from hidden underlying databases, such as query...
CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we present a novel approach to contentsbased image retrieval. The method hinges in the use of quasi-random sampling to retrieve those images in a database which are...
CORR
2010
Springer
14 years 9 months ago
2010
Springer
We investigate Monte Carlo Markov Chain (MCMC) procedures for the random sampling of some one-dimensional lattice paths with constraints, for various constraints. We will see that...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
We have studied two efficient sampling methods, Langevin and Hessian adapted Metropolis Hastings (MH), applied to a parameter estimation problem of the mathematical model (Lorent...
141
click to vote
SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
Many websites provide form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we explain the importance of protecting s...