Sciweavers

16088 search results - page 3074 / 3218
» A Mean-Variance Optimization algorithm
Sort
View
SIGCOMM
2009
ACM
16 years 29 days ago
DIRC: increasing indoor wireless capacity using directional antennas
The demand for wireless bandwidth in indoor environments such as homes and offices continues to increase rapidly. Although wireless technologies such as MIMO can reach link throug...
Xi Liu, Anmol Sheth, Michael Kaminsky, Konstantina...
SIGIR
2009
ACM
16 years 29 days ago
Approximating true relevance distribution from a mixture model based on irrelevance data
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
Peng Zhang, Yuexian Hou, Dawei Song
SIGIR
2009
ACM
16 years 29 days ago
Portfolio theory of information retrieval
This paper studies document ranking under uncertainty. It is tackled in a general situation where the relevance predictions of individual documents have uncertainty, and are depen...
Jun Wang, Jianhan Zhu
WWW
2010
ACM
16 years 29 days ago
Actively predicting diverse search intent from user browsing behaviors
This paper is concerned with actively predicting search intent from user browsing behavior data. In recent years, great attention has been paid to predicting user search intent. H...
Zhicong Cheng, Bin Gao, Tie-Yan Liu
ISBRA
2010
Springer
16 years 29 days ago
Uncovering Hidden Phylogenetic Consensus
Abstract. Many of the steps in phylogenetic reconstruction can be confounded by “rogue” taxa, taxa that cannot be placed with assurance anywhere within the tree—whose locatio...
Nicholas D. Pattengale, Krister M. Swenson, Bernar...
« Prev « First page 3074 / 3218 Last » Next »