—In this paper we present a study on pilot aided time and frequency synchronization for Opportunistic Radio (OR) OFDM systems which apply adaptive subcarrier allocation technique...
With the advancement of video-compression technology and the wide deployment of wireless networks, there is an increasing demand for wireless video communication services, and man...
With the increasing use of ontologies in Semantic Web and enterprise knowledge management, it is critical to develop scalable and efficient ontology management systems. In this pap...
Jian Zhou, Li Ma, Qiaoling Liu, Lei Zhang, Yong Yu...
Two international scientific publishers collaborated to develop an Online Submission and Peer Review System (OSPREY) for their journals. Our goals were to meet market demand, incr...
We have been developing a spoken language system to recognize and understand spontaneous speech. It is difficult for such systems to achieve good coverage of the lexicon and gramm...