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GLOBECOM
2007
IEEE
16 years 1 months ago
Opportunistic Access with Random Subchannel Backoff (OARSB) for OFDMA Uplink
Abstract— A distributed medium access control (MAC) algorithm for uplink OFDMA networks under the IEEE 802.16 framework is proposed and analyzed in this work. We present a simple...
Yu-Jung Chang, Feng-Tsun Chien, C. C. Jay Kuo
ICALT
2007
IEEE
16 years 29 days ago
The Web 2.0 Driven SECI Model Based Learning Process
Nonaka and his knowledge transformation model SECI revolutionized the thinking about organizations as social learning systems. He introduced technical concepts like hypertext into...
Mohamed Amine Chatti, Ralf Klamma, Matthias Jarke,...
VTC
2007
IEEE
107views Communications» more  VTC 2007»
16 years 27 days ago
Random Switched Beamforming for Uplink Wireless Sensor Networks
– Integration of beamforming to sensors is very beneficial for a reduction of transmission power consumption and for improvement of the overall system performance. Unfortunately,...
Mohammed Elmusrati, Vesa Hasu
CONTEXT
2007
Springer
16 years 25 days ago
Context-sensitive Referencing for Ontology Mapping Disambiguation
Abstract. Ontologies can be used for e-business integration, for example by describing existing e-business standards as ontologies. If cooperating parties use different ontologies...
Heiko Paulheim, Michael Rebstock, Janina Fengel
CONTEXT
2007
Springer
16 years 25 days ago
Similarity Measurement in Context
Context plays a crucial role when measuring the similarity of two concepts. Nonetheless, the modelling of context has been mostly neglected in existing similarity measurement theor...
Carsten Keßler