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EMNLP
2009
15 years 4 months ago
Learning Term-weighting Functions for Similarity Measures
Measuring the similarity between two texts is a fundamental problem in many NLP and IR applications. Among the existing approaches, the cosine measure of the term vectors represen...
Wen-tau Yih
EMNLP
2009
15 years 4 months ago
Acquiring Translation Equivalences of Multiword Expressions by Normalized Correlation Frequencies
In this paper, we present an algorithm for extracting translations of any given multiword expression from parallel corpora. Given a multiword expression to be translated, the meth...
Ming-Hong Bai, Jia-Ming You, Keh-Jiann Chen, Jason...
EMNLP
2009
15 years 4 months ago
Self-Training PCFG Grammars with Latent Annotations Across Languages
We investigate the effectiveness of selftraining PCFG grammars with latent annotations (PCFG-LA) for parsing languages with different amounts of labeled training data. Compared to...
Zhongqiang Huang, Mary P. Harper
ICIP
2009
IEEE
15 years 4 months ago
Expanded bag of words representation for object classification
Currently, the bag of visual words (BOW) representation has received wide applications in object categorization. However, the BOW representation ignores the dependency relationshi...
Tinglin Liu, Jing Liu, Qingshan Liu, Hanqing Lu
CORR
2011
Springer
179views Education» more  CORR 2011»
14 years 10 months ago
The restricted isometry property for time-frequency structured random matrices
We establish the restricted isometry property for finite dimensional Gabor systems, that is, for families of time–frequency shifts of a randomly chosen window function. We show...
Götz E. Pfander, Holger Rauhut, Joel A. Tropp