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» Query Performance Prediction: Evaluation Contrasted with Eff...
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WWW
2009
ACM
16 years 5 months ago
Discovering users' specific geo intention in web search
Discovering users' specific and implicit geographic intention in web search can greatly help satisfy users' information needs. We build a geo intent analysis system that...
Xing Yi, Hema Raghavan, Chris Leggetter
126
Voted
ICDT
1999
ACM
72views Database» more  ICDT 1999»
15 years 8 months ago
On the Generation of 2-Dimensional Index Workloads
A large number of database index structures have been proposed over the last two decades, and little consensus has emerged regarding their relative e ectiveness. In order to empir...
Joseph M. Hellerstein, Lisa Hellerstein, George Ko...
CIKM
2007
Springer
15 years 10 months ago
Extending query translation to cross-language query expansion with markov chain models
Dictionary-based approaches to query translation have been widely used in Cross-Language Information Retrieval (CLIR) experiments. Using these approaches, translation has been not...
Guihong Cao, Jianfeng Gao, Jian-Yun Nie, Jing Bai
146
Voted
IROS
2009
IEEE
128views Robotics» more  IROS 2009»
15 years 11 months ago
Predictive constrained gain scheduling for UGV path tracking in a networked control system
– This paper presents a predictive gain scheduler for path tracking control in a networked control system with variable delay. The controller uses the plant model to predict futu...
Bryan R. Klingenberg, Unnati Ojha, Mo-Yuen Chow
170
Voted
SIGIR
2003
ACM
15 years 9 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...