219 search results - page 21 / 44 » Nearly Private Information Retrieval |
MMDB
2003
ACM
14 years 26 days ago
2003
ACM
Conventional approaches to image retrieval are based on the assumption that relevant images are physically near the query image in some feature space. This is the basis of the clu...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...
ICALP
2001
Springer
14 years 3 days ago
2001
Springer
Abstract. We present the first private information retrieval (PIR) scheme which is both, deterministically correct and has poly-logarithmic communication complexity. Our PIR proto...
CIVR
2009
Springer
14 years 2 months ago
2009
Springer
In this paper we present a method to jointly optimise the relevance and the diversity of the results in image retrieval. Without considering diversity, image retrieval systems oft...
BMCBI
2006
13 years 7 months ago
2006
Background: High throughput technologies often require the retrieval of large data sets of sequences. Retrieval of EMBL or GenBank entries using keywords is easy using tools such ...