1088 search results - page 137 / 218 » Probabilistic query expansion using query logs |
COMPGEOM
2009
ACM
14 years 3 months ago
2009
ACM
We present a data structure for ray shooting-and-insertion in the free space among disjoint polygonal obstacles with a total of n vertices in the plane, where each ray starts at t...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
CRYPTO
2001
Springer
14 years 1 months ago
2001
Springer
We present session-key generation protocols in a model where the legitimate parties share only a human-memorizable password. The security guarantee holds with respect to probabilis...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
In this paper, we present a semi-supervised learning method for web page classification, leveraging click logs to augment training data by propagating class labels to unlabeled si...
CVPR
2012
IEEE
11 years 11 months ago
2012
IEEE
The objective of this work is object retrieval in large scale image datasets, where the object is specified by an image query and retrieval should be immediate at run time in the...