In this paper, we propose languagespecific methods of sentiment analysis in morphologically rich languages. In contrast of previous works confined to statistical methods, we make use of various linguistic features effectively. In particular, we make chunk structures by using the dependence relations of morpheme sequences to restrain semantic scope of influence of opinionated terms. In conclusio...

This paper proposes an unsupervised learning model for classifying named entities. This model uses a training set, built automatically by means of a small-scale named entity dictionary and an unlabeled corpus. This enables us to classify named entities without the cost for building a large hand-tagged training corpus or a lot of rules. Our model uses the ensemble of three different learning met...

background :people are increasingly interested in health news. as a mass media, the ‘islamic republic of iran broadcasting’ (irib) has the highest number of target audiences. in iran, some people follow health news via health programs on satellites and other means of communication. however, all of these programs do not live up to the standards of scientific evidence. in this study, we examined ...

in the case of the elderly who highly depend on family, serious health problems can be caused due to the reduction of family meals. therefore, this study aims to suggest the fundamental data for management of cardiovascular disease, one of the major causes of death in elderly koreans, by investigating the effects of family meal frequency on the risk factors for cardiovascular disease in korean ...

background: obesity has become a serious problem for chinese han nationality. this research aimed to evaluate the prevalence of and trends in obesity among chinese korean nationality children and adolescents (1991–2010). methods: we used data from chinese national surveys on students’ constitution and health (cnssch). cnssch was utilized to monitor chinese students’ health condition and release...

To produce ginsenoside-Rg3 enriched yeast from ginseng-steaming effluent (GSE), Lipomyces starkeyi, which tends to grow well in GSE, was cultured in sterilized GSE and its growth and production of ginsenoside-Rg3 were determined. Growth of L. starkeyi was 86.1 mg per g GSE and its ginsenoside-Rg3 contents was 0.013 mg per g GSE.

BACKGROUND Satisfaction with medical doctor (MD) has been studied as a possible motivation for trying complementary medicine. This study aimed to explore the relationship between Korean outpatients' satisfaction with their MDs and their use of traditional Korean medicine (KM). METHODS Data were drawn from the 2011 annual Korea Health Panel, a national representative sample. We analyzed the re...

The written medium through which we commonly learn about relevant news are news articles. Since there is an abundance of news articles that are written daily, the readers have a common problem of discovering the content of interest and still not be overwhelmed with the amount of it. In this paper we present a system called Event Registry which is able to group articles about an event across lan...

What is the information content of news-based measures of sentiment? How are they related to aggregate economic fluctuations? I construct a sentiment index by measuring the net amount of positive expressions in the corpus of Economic news articles produced by Reuters over the period 1987 2013 and across 12 countries. The index successfully tracks fluctuations in Gross Domestic Product (GDP) at ...

We investigated online diffusion of information, spread of fear, and perceived risk of infection to Middle East Respiratory Syndrome (MERS) as cases of MERS spread rapidly and dozens of fatalities occurred in South Korea in May-June of 2015. This study retrieved 8,671,695 MERS-related online documents from May 20 to June 18, 2015, from 171 Korean online channels and analyzed such documents by u...