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CORR
2011
Springer
235views Education» more  CORR 2011»
13 years 1 months ago
On the accuracy of language trees
Historical linguistics aims at inferring the most likely language phylogenetic tree starting from information concerning the evolutionary relatedness of languages. The available i...
Simone Pompei, Vittorio Loreto, Francesca Tria
SDM
2003
SIAM
123views Data Mining» more  SDM 2003»
13 years 8 months ago
Fast Online SVD Revisions for Lightweight Recommender Systems
The singular value decomposition (SVD) is fundamental to many data modeling/mining algorithms, but SVD algorithms typically have quadratic complexity and require random access to ...
Matthew Brand
SIGIR
2008
ACM
13 years 6 months ago
A simple and efficient sampling method for estimating AP and NDCG
We consider the problem of large scale retrieval evaluation. Recently two methods based on random sampling were proposed as a solution to the extensive effort required to judge te...
Emine Yilmaz, Evangelos Kanoulas, Javed A. Aslam
ADHOC
2005
143views more  ADHOC 2005»
13 years 6 months ago
Active query forwarding in sensor networks
While sensor networks are going to be deployed in diverse application specific contexts, one unifying view is to treat them essentially as distributed databases. The simplest mech...
Narayanan Sadagopan, Bhaskar Krishnamachari, Ahmed...
ICCV
2011
IEEE
12 years 6 months ago
2D-3D Fusion for Layer Decomposition of Urban Facades
We present a method for fusing two acquisition modes, 2D photographs and 3D LiDAR scans, for depth-layer decomposition of urban facades. The two modes have complementary character...
Yangyan Li, Qian Zheng, Andrei Sharf, Daniel Cohen...