Sciweavers

4041 search results - page 651 / 809
» time 2009
Sort
View
ICMCS
2009
IEEE
153views Multimedia» more  ICMCS 2009»
15 years 4 months ago
Temporal patterns in social media streams: Theme discovery and evolution using joint analysis of content and context
Online social networking sites such as Flickr and Facebook provide a diverse range of functionalities that foster online communities to create and share media content. In particul...
Yu-Ru Lin, Hari Sundaram, Munmun De Choudhury, Ais...
ICMCS
2009
IEEE
171views Multimedia» more  ICMCS 2009»
15 years 4 months ago
Optimal joint linear acoustic echo cancelation and blind source separation in the presence of loudspeaker nonlinearity
Acoustic echoes represent a major source of discomfort in hands free, full-duplex, communication systems. The problem becomes particularly difficult when the loudspeakers are nonl...
Mehrez Souden, Zicheng Liu
ICNP
2009
IEEE
15 years 4 months ago
Memory Efficient Protocols for Detecting Node Replication Attacks in Wireless Sensor Networks
Sensor networks deployed in hostile areas are subject to node replication attacks, in which an adversary compromises a few sensors, extracts the security keys, and clones them in a...
Ming Zhang, Vishal Khanapure, Shigang Chen, Xuelia...
ICONIP
2009
15 years 4 months ago
Exploring Early Classification Strategies of Streaming Data with Delayed Attributes
In contrast to traditional machine learning algorithms, where all data are available in batch mode, the new paradigm of streaming data poses additional difficulties, since data sam...
Mónica Millán-Giraldo, J. Salvador S...
ICRA
2009
IEEE
125views Robotics» more  ICRA 2009»
15 years 4 months ago
Mapping opaque and confined environments using proprioception
Mapping opaque and confined environments such as caves and pipes is a challenging problem for mobile robots because sensor information is severely limited to the immediate proximit...
Jacob Everist, Wei-Min Shen