CISS
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract-Joint subcarrier, power and rate allocation in orthogonal frequency division multiple access (OFDMA) scheduling is investigated for both downlink and uplink wireless trans...
CISS
2007
IEEE
14 years 3 months ago
2007
IEEE
This paper considers broadcast channels with L antennas at the base station and m single-antenna users, where each user has perfect channel knowledge and the base station obtains c...
CISS
2007
IEEE
14 years 3 months ago
2007
IEEE
Distributed space-time-block-coding (Dis-STBC) achieves diversity through cooperative transmission among geographically dispersed nodes. In this paper, we present a powerefficient...
CISIM
2007
IEEE
14 years 3 months ago
2007
IEEE
In our work we have proposed an agent based ecommerce system in which autonomous agents participate in price negotiations. Recently, our work reached the stage when the main ideas...
CISIM
2007
IEEE
14 years 3 months ago
2007
IEEE
CISIM
2007
IEEE
14 years 3 months ago
2007
IEEE
This article presents a semi-automatic segmentation of the fibrous liver tissue in the in-vivo liver biopsy color images. The segmentation is performed using a tree-based classifi...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
CIKM
2007
Springer
14 years 3 months ago
2007
Springer
Every user has a distinct background and a specific goal when searching for information on the Web. The goal of Web search personalization is to tailor search results to a particu...