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JMLR
2010
139views more  JMLR 2010»
13 years 3 months ago
On the Foundations of Noise-free Selective Classification
We consider selective classification, a term we adopt here to refer to `classification with a reject option.' The essence in selective classification is to trade-off classifi...
Ran El-Yaniv, Yair Wiener
JCDL
2004
ACM
114views Education» more  JCDL 2004»
14 years 2 months ago
Translating unknown cross-lingual queries in digital libraries using a web-based approach
Users’ cross-lingual queries to a digital library system might be short and not included in a common translation dictionary (unknown terms). In this paper, we investigate the fe...
Jenq-Haur Wang, Jei-Wen Teng, Pu-Jen Cheng, Wen-Hs...
WWW
2005
ACM
14 years 9 months ago
Cyclone: an encyclopedic web search site
We propose a Web search site called "Cyclone", in which a user can retrieve encyclopedic term descriptions on the Web. Cyclone searches the Web for headwords and page fr...
Atsushi Fujii, Katunobu Itou, Tetsuya Ishikawa
ECIR
2010
Springer
13 years 10 months ago
On Improving Pseudo-Relevance Feedback Using Pseudo-Irrelevant Documents
Abstract. Pseudo-Relevance Feedback (PRF) assumes that the topranking n documents of the initial retrieval are relevant and extracts expansion terms from them. In this work, we int...
Karthik Raman, Raghavendra Udupa, Pushpak Bhattach...
CI
2006
101views more  CI 2006»
13 years 9 months ago
Sentiment Classification of Movie Reviews Using Contextual Valence Shifters
We present two methods for determining the sentiment expressed by a movie review. The semantic orientation of a review can be positive, negative, or neutral. We examine the effect...
Alistair Kennedy, Diana Inkpen