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WAIM
2010
Springer
15 years 4 months ago
Efficient Continuous Top-k Keyword Search in Relational Databases
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan
CDC
2010
IEEE
196views Control Systems» more  CDC 2010»
15 years 1 months ago
Convergence and convergence rate of stochastic gradient search in the case of multiple and non-isolated extrema
The asymptotic behavior of stochastic gradient algorithms is studied. Relying on some results of differential geometry (Lojasiewicz gradient inequality), the almost sure pointconve...
Vladislav B. Tadic
ICADL
2005
Springer
102views Education» more  ICADL 2005»
15 years 11 months ago
Concept Expansion Using Semantic Fisheye Views
Exploratory search over a collection often requires users to iteratively apply a variety of strategies, such as searching for more general or more specific concepts in reaction to ...
Paul Janecek, Vincent Schickel, Pearl Pu
ECCV
2008
Springer
16 years 8 months ago
Hamming Embedding and Weak Geometric Consistency for Large Scale Image Search
This paper improves recent methods for large scale image search. State-of-the-art methods build on the bag-of-features image representation. We, first, analyze bag-of-features in t...
Herve Jegou, Matthijs Douze, Cordelia Schmid
ECIR
2009
Springer
16 years 3 months ago
Quality-Oriented Search for Depression Portals
The problem of low-quality information on the Web is nowhere more important than in the domain of health, where unsound information and misleading advice can have serious consequen...
Thanh Tin Tang, David Hawking, Ramesh S. Sankarana...