Sciweavers

756 search results - page 101 / 152
» Leveraging the CAPTCHA Problem
Sort
View
ASUNAM
2010
IEEE
13 years 9 months ago
A Unified Framework for Link Recommendation Using Random Walks
The phenomenal success of social networking sites, such as Facebook, Twitter and LinkedIn, has revolutionized the way people communicate. This paradigm has attracted the attention ...
Zhijun Yin, Manish Gupta, Tim Weninger, Jiawei Han
LREC
2010
144views Education» more  LREC 2010»
13 years 9 months ago
Evaluating Complex Semantic Artifacts
Evaluating complex Natural Language Processing (NLP) systems can prove extremely difficult. In many cases, the best one can do is to evaluate these systems indirectly, by looking ...
Christopher R. Walker, Hannah Copperman
EMNLP
2007
13 years 9 months ago
Extending a Thesaurus in the Pan-Chinese Context
In this paper, we address a unique problem in Chinese language processing and report on our study on extending a Chinese thesaurus with region-specific words, mostly from the fina...
Oi Yee Kwong, Benjamin Ka-Yin T'sou
IJCAI
2007
13 years 9 months ago
Detect and Track Latent Factors with Online Nonnegative Matrix Factorization
Detecting and tracking latent factors from temporal data is an important task. Most existing algorithms for latent topic detection such as Nonnegative Matrix Factorization (NMF) h...
Bin Cao, Dou Shen, Jian-Tao Sun, Xuanhui Wang, Qia...
IJCAI
2007
13 years 9 months ago
Automated Heart Wall Motion Abnormality Detection from Ultrasound Images Using Bayesian Networks
Coronary Heart Disease can be diagnosed by measuring and scoring regional motion of the heart wall in ultrasound images of the left ventricle (LV) of the heart. We describe a comp...
Maleeha Qazi, Glenn Fung, Sriram Krishnan, R&oacut...