641 search results - page 46 / 129 » Studying Query Expansion Effectiveness |
WWW
2010
ACM
14 years 2 months ago
2010
ACM
Click data captures many users’ document preferences for a query and has been shown to help significantly improve search engine ranking. However, most click data is noisy and of...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract: In this paper, we study concatenated coding for MIMOOFDM systems. The proposed concatenated system achieves full spatial and frequency diversity at much lower complexity ...
ICC
2000
IEEE
14 years 4 days ago
2000
IEEE
—This paper proposes an analytical study which aims at evaluating the received power statistics in DS-CDMA cellular systems which use a closed-loop power control scheme to compen...
ACL
2010
13 years 5 months ago
2010
In a previous work of ours Chinnakotla et al. (2010) we introduced a novel framework for Pseudo-Relevance Feedback (PRF) called MultiPRF. Given a query in one language called Sour...
IPTPS
2005
Springer
14 years 1 months ago
2005
Springer
Maze1 is a P2P file-sharing system with an active and large user base. It is developed, deployed and operated by an academic research team. As such, it offers ample opportunities ...