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SIGIR
2009
ACM
16 years 2 months ago
Query dependent pseudo-relevance feedback based on wikipedia
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
Yang Xu, Gareth J. F. Jones, Bin Wang
226
Voted
SIGIR
2009
ACM
16 years 2 months ago
Combining LVCSR and vocabulary-independent ranked utterance retrieval for robust speech search
Well tuned Large-Vocabulary Continuous Speech Recognition (LVCSR) has been shown to generally be more effective than vocabulary-independent techniques for ranked retrieval of spo...
J. Scott Olsson, Douglas W. Oard
223
Voted
SMA
2009
ACM
149views Solid Modeling» more  SMA 2009»
16 years 2 months ago
A sketching interface for feature curve recovery of free-form surfaces
In this paper, we present a semi-automatic approach to efficiently and robustly recover the characteristic feature curves of a given free-form surface. The technique supports a s...
Ellen Dekkers, Leif Kobbelt, Richard R. Pawlicki, ...
WOWMOM
2009
ACM
146views Multimedia» more  WOWMOM 2009»
16 years 2 months ago
When opportunity proceeds from autonomy: A tour-based architecture for disconnected mobile sensors
We consider the case of sparse mobile sensors deployed to implement missions in challenging environments. This paper explores a notion of tour networks that is well suited to circ...
Michel Charpentier, Radim Bartos, Swapnil Bhatia
177
Voted
CDC
2009
IEEE
111views Control Systems» more  CDC 2009»
16 years 7 days ago
Quotient method for controlling the acrobot
— This paper describes a two-sweep control design method to stabilize the acrobot, an input-affine under-actuated system, at the upper equilibrium point. In the forward sweep, t...
Sudarsandhari Shibani Willson, Philippe Müllh...
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