755 search results - page 151 / 151 » Online selection of diverse results |
ICWSM
2009
13 years 2 months ago
2009
Finding out about a topic online can be time consuming. It involves visiting multiple news sites, encyclopedia entries, video repositories and other resources while discarding irr...
TASLP
2011
12 years 11 months ago
2011
—We present a simple and efficient feature modeling approach for tracking the pitch of two simultaneously active speakers. We model the spectrogram features of single speakers u...
ICDE
2012
IEEE
11 years 7 months ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
SIGIR
2012
ACM
11 years 7 months ago
2012
ACM
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
SIGIR
2012
ACM
11 years 7 months ago
2012
ACM
Query auto-completion (QAC) is a common feature in modern search engines. High quality QAC candidates enhance search experience by saving users time that otherwise would be spent ...