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STOC
2009
ACM
271views Algorithms» more  STOC 2009»
16 years 6 months ago
A fast and efficient algorithm for low-rank approximation of a matrix
The low-rank matrix approximation problem involves finding of a rank k version of a m ? n matrix AAA, labeled AAAk, such that AAAk is as "close" as possible to the best ...
Nam H. Nguyen, Thong T. Do, Trac D. Tran
SIGCSE
2008
ACM
153views Education» more  SIGCSE 2008»
15 years 4 months ago
A cross-domain visual learning engine for interactive generation of instructional materials
We present the design and development of a Visual Learning Engine, a tool that can form the basis for interactive development of visually rich teaching and learning modules across...
K. R. Subramanian, T. Cassen
ORDER
2002
73views more  ORDER 2002»
15 years 5 months ago
Antichains in Products of Linear Orders
We show that: (1) For many regular cardinals (in particular, for all successors of singular strong limit cardinals, and for all successors of singular -limits), for all n {2, 3, ...
Martin Goldstern, Saharon Shelah
ICIP
2001
IEEE
16 years 7 months ago
Modified MPEG-2 video coders with efficient multi-layer scalability
The paper describes a multi-layer video coder based on spatiotemporal scalability and data partitioning. The coder consists of two parts: a low-resolution coder and full-resolutio...
Marek Domanski, Slawomir Mackowiak
INFOCOM
2007
IEEE
16 years 14 days ago
Fault-Tolerant Relay Node Placement in Heterogeneous Wireless Sensor Networks
— Existing work on placing additional relay nodes in wireless sensor networks to improve network connectivity typically assumes homogeneous wireless sensor nodes with an identica...
Xiaofeng Han, Xiang Cao, Errol L. Lloyd, Chien-Chu...