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» Unified Solution to Nonnegative Data Factorization Problems
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JCP
2006
90views more  JCP 2006»
13 years 5 months ago
Using LDA Method to Provide Mobile Location Estimation Services within a Cellular Radio Network
Abstract-- Mobile location estimation is becoming an important value-added service for a mobile phone operator. It is well-known that GPS can provide an accurate location estimatio...
Junyang Zhou, Joseph Kee-Yin Ng
WWW
2004
ACM
14 years 6 months ago
Dynamic assembly of learning objects
This paper describes one solution to the problem of how to select sequence, and link Web resources into a coherent, focused organization for instruction that addresses a user'...
Robert G. Farrell, Soyini D. Liburd, John C. Thoma...
SSDBM
2010
IEEE
133views Database» more  SSDBM 2010»
13 years 3 months ago
PrefIndex: An Efficient Supergraph Containment Search Technique
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
Gaoping Zhu, Xuemin Lin, Wenjie Zhang, Wei Wang, H...
TWC
2010
12 years 12 months ago
On the diversity order of non-orthogonal amplify-and-forward over block-fading channels
Abstract--In this paper, we deal with the performance of nonorthogonal Amplify-and-Forward protocols over block-fading channels (BFNAF), where the source retransmits the same data ...
Ioannis Krikidis, John S. Thompson, Steve McLaughl...