In this project we study selecting of robust method to detect and recognize stop signs in an urban area. To tackle this problem we tries three different method, and the experiment showed that the two of the tree methods are promising to continue working on. The first method was HAAR features combined with Decision Trees which didn’t work well in tests. The second approach was using HOG with log...

This paper describes the system used by the LIPN-IIMAS team in the Task 2, Semantic Textual Similarity, at SemEval 2015, in both the English and Spanish sub-tasks. We included some features based on alignment measures and we tested different learning models, in particular Random Forests, which proved the best among those used in our participation.

Recent analyses suggest that cigarette excise taxes lower prenatal smoking. It is unclear, however, whether the association between taxes and prenatal smoking represents a decline among women of reproductive age or a particular response by pregnant women. We address this question directly with an analysis of quit and relapse behavior during and after pregnancy. We find that the price elasticity...

During production of glottal stops the glottal vibration has unequal cycles and is caused by laryngealization. While one can perceive the features of laryngealization in the speech, it is difficult to analyse the signal to detect these source features from the standard spectrum-based analysis methods. In this paper we propose methods to extract the voice source vibration characteristics, and sh...

This research examines how activists mobilise against fake hate profiles on Facebook. Based on six months of participant observation, the article demonstrates how Danish Facebook users organised to combat fictitious Muslim profiles that spurred hatred against ethnic minorities. The article concludes that crowdsourced action by Facebook users is insufficient as a form of sustainable resistance a...

background and objective: stop-bang questionnaire is a well-known obstructive sleep apnea (osa) screening tool. this study aimed to evaluate that patients with high probability of osa in stop-bang questionnaire meet the criteria for assessment by split-night polysomnography (psg). materials and methods: patients who were admitted to three sleep clinics and underwent full-night psg entered into ...