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GLOBECOM
2010
IEEE
15 years 2 months ago
Prolonging Network Lifetime via a Controlled Mobile Sink in Wireless Sensor Networks
In this paper we explore the mobility of a mobile sink in a wireless sensor network (WSN) to prolong the network lifetime. Since the mechanical movement of mobile sink is driven by...
Weifa Liang, Jun Luo, Xu Xu
ICDM
2010
IEEE
198views Data Mining» more  ICDM 2010»
15 years 2 months ago
Hierarchical Ensemble Clustering
Ensemble clustering has emerged as an important elaboration of the classical clustering problems. Ensemble clustering refers to the situation in which a number of different (input)...
Li Zheng, Tao Li, Chris H. Q. Ding
CVPR
2011
IEEE
15 years 21 days ago
Nonparametric Density Estimation on A Graph: Learning Framework, Fast Approximation and Application in Image Segmentation
We present a novel framework for tree-structure embedded density estimation and its fast approximation for mode seeking. The proposed method could find diverse applications in co...
Zhiding Yu, Oscar Au, Ketan Tang
SIGMOD
2006
ACM
127views Database» more  SIGMOD 2006»
16 years 4 months ago
Efficient reverse k-nearest neighbor search in arbitrary metric spaces
The reverse k-nearest neighbor (RkNN) problem, i.e. finding all objects in a data set the k-nearest neighbors of which include a specified query object, is a generalization of the...
Elke Achtert, Christian Böhm, Peer Kröge...
RECOMB
2010
Springer
15 years 11 months ago
Dense Subgraphs with Restrictions and Applications to Gene Annotation Graphs
Abstract. In this paper, we focus on finding complex annotation patterns representing novel and interesting hypotheses from gene annotation data. We define a generalization of th...
Barna Saha, Allison Hoch, Samir Khuller, Louiqa Ra...