We use quantitative media (blogs, and news as a comparison) data generated by a large-scale natural language processing (NLP) text analysis system to perform a comprehensive and comparative study on how company related news variables anticipates or reflects the company’s stock trading volumes and financial returns. Building on our findings, we give a sentiment-based market-neutral trading strat...

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Despite the positive outlook of various organizations on prevalence eco-friendly cars, Korea’s electric vehicle market is small, and growth slow. To identify factors that hinder consumer awareness spread vehicles, news articles online postings vehicles from 2006 to 2020 were collected analyzed using text mining techniques. This study found Korean consumers thought hybrid fuel-efficient quiet; h...

The export-based development policy launched by South Korea after the end of Korean war caused country to rely heavily on energy sources for their goals. This ultimately encourages continue transforming its in accordance with situation and conditions experienced country. paper analyzes Korea's transition since establishment present day using multi-level perspective. process was analyzed from re...

Aggregators rely on votes, and links to select and present subsets of the large quantity of news and opinion items generated each day. Opinion and topic diversity in the output sets can provide individual and societal benefits, but simply selecting the most popular items may not yield as much diversity as is present in the overall pool of votes and links. In this paper, we define three diversit...

Résumé : La veille en santé animale, et notamment la détection précoce d’émergences au niveau mondial d’agents pathogènes, est l’un des moyens permettant de prévenir l’introduction en France de dangers sanitaires (Paquet et al., 2006). Cet article présente une plateforme dédiée à la collecte de données (dépêches) utiles pour la veille automatique. Le recueil des dépêches s’appuie sur des requêt...

As the number of weblog users increase, RSS readers, which collect update information delivered as RSS feeds from such web sites, become popular to be used. Most of the commonly used RSS readers are in a tasteless style. In contrast, we aim to make a new type of RSS readers with the concepts of ‘pleasure’ and ‘comfort’ in mind. This paper describes two types of visual RSS readers with a high re...