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TWC
2008
116views more  TWC 2008»
13 years 8 months ago
The performance of multi-user cooperative diversity in an asynchronous CDMA uplink
Abstract--This paper investigates the impact of interuser non-orthogonality and asynchronous communication on the information-outage probability performance of multi-user decode-an...
Kanchan G. Vardhe, Daryl Reynolds, Matthew C. Vale...
CIKM
2010
Springer
13 years 7 months ago
You are where you tweet: a content-based approach to geo-locating twitter users
We propose and evaluate a probabilistic framework for estimating a Twitter user’s city-level location based purely on the content of the user’s tweets, even in the absence of ...
Zhiyuan Cheng, James Caverlee, Kyumin Lee
IDEAS
2003
IEEE
117views Database» more  IDEAS 2003»
14 years 1 months ago
A Multi-Resolution Block Storage Model for Database Design
We propose a new storage model called MBSM (Multiresolution Block Storage Model) for laying out tables on disks. MBSM is intended to speed up operations such as scans that are typ...
Jingren Zhou, Kenneth A. Ross
JUCS
2008
166views more  JUCS 2008»
13 years 8 months ago
Exposure and Support of Latent Social Networks among Learning Object Repository Users
Abstract: Although immense efforts have been invested in the construction of hundreds of learning object repositories, the degree of reuse of learning resources maintained in such ...
Peng Han, Gerd Kortemeyer, Bernd J. Krämer, C...
JODS
2006
166views Data Mining» more  JODS 2006»
13 years 8 months ago
Model-Driven Ontology Engineering
W3C's Semantic Web provides a common framework that allows data to be shared and reused across application and enterprise. As the Semantic Web shapes the future of the Web, it...
Yue Pan, Guo Tong Xie, Li Ma, Yang Yang, Zhaoming ...