One's state of mind will influence her perception the world and people within it. In this paper, we explore attitudes behaviors toward online social media based on whether one is depressed or not. We conducted semi-structured face-to-face interviews with 14 active Twitter users, half whom were other non-depressed. Our results highlight key differences between two groups in terms towards such systems. Non-depressed individuals perceived as an information consuming sharing tool, while it a...

Video-sharing social media like YouTube provide access to diverse cultural products from all over the world, making it possible test theories that Web facilitates global convergence. Drawing on a daily listing of YouTube's most popular videos across 58 countries, we investigate consumption in countries differ values, language, gross domestic product, and Internet penetration rate. Although online facilitate products, find this technological capability does not result universal Instead,...

Musicologists and sociologists have long been interested in patterns of music consumption their relation to socioeconomic status. In particular, the Omnivore Thesis examines relationship between these variables diversity a person consumes. Using data from social media users Last.fm Twitter, we design evaluate measure that reasonably captures musical tastes. We use explore associations capture status, demographics, personal traits such as openness degree interest (into-ness). Our can provide...

Video watching had emerged as one of the most frequent media activities on Internet. Yet, little is known about how users watch online video. Using two distinct YouTube datasets, a set random videos crawled from Web and watched by participants tracked Chrome extension, we examine whether indicators collective preferences reactions are associated with view duration videos. We show that video positively video's count, number likes per view, negative sentiment in comments. These metrics have...

Recent studies have documented racial discrimination in online interactions, mirroring the historic bias observed offline. The sharing economy is especially vulnerable due to greater dependence on mutual trust a ride, residence, or date with stranger. These services rely user recommendations build trust, but effects of these peer evaluations are only beginning be explored. Using data from Airbnb, we examine in-group preference for same-race hosts as well recommendations. unexpected result...

Musicologists and sociologists have long been interested in patterns of music consumption their relation to socioeconomic status. In particular, the Omnivore Thesis examines relationship between these variables diversity a person consumes. Using data from social media users Last.fm Twitter, we design evaluate measure that reasonably captures musical tastes. We use explore associations capture status, demographics, personal traits such as openness degree interest (into-ness). Our can provide...

The Web-based integrated public healthcare information system (PHIS) of Korea was planned and developed from 2005 to 2010, it is being used in 3,501 regional health organizations. This paper introduces discusses development performance the system.We reviewed examined documents about process newly PHIS. resources we analyzed national plan for healthcare, strategy PHIS, usage reports system.The PHIS included 19 functional business areas, 47 detailed programs, 48 inter-organizational tasks. new...

How to provide both security and privacy in communication networks has been an important issue for ubiquitous computing. Especially, user authentication the current IT services become one of issues. However, weaknesses have exposed seriously due careless secret related information management sophisticated attack techniques. Recently, enhanced biometric-based protocol is proposed by An, which uses three factors, password, smart card biometrics. this paper shows that An's password guessing...

This paper analyzes the barriers to information and communication technologies (ICT) use among extremely underserved minorities such as impoverished immigrants in USA. In particular, we explore physical psychological that prevent Hispanic day laborers Seattle from making effective of computers Internet. Based on a mixed-methods study combined structured interviews, focus groups observations members non-profit Casa Latina Seattle, WA, suggest typology ICT. We also heat map for ICT training...

스마트폰의 확산과 위치정보를 활용한 다양한 서비스가 확대됨에 따라 전 세계적으로 위치기반서비스(LBS) 시장이 활성화 되고있다. 하지만, 개인 위치정보 침해사례에 대한 논란이 증가하고 있어 이에 규제 정비에 관심도 높아지고 있다. 규제는 이용자의 개인정보와 프라이버시를 보호할 수 있으나, 서비스의 개발과 산업 측면에서 부정적인 영향을 끼칠 있다는 양면성이 특히 우리나라는 유일하게 관련 독립적인 '위치정보보호법'을 제정하여 높은 위치 정보 규제를 적용하고 LBS 산업이 되지 못하고 지적과 활성화를 위한 완화가 필요하다는 비판이 지속적으로 제기되고 국내외 시장 성장과 비교 분석하여 LBS의 규제가 활성화와 음(-)의 관계 즉, 강화 될수록 진입 및 사업 활동에 제약이 있음을 확인하였으며, 또한 프라이버시와 직접적인 관련이 없는 완화함으로써 산업을 할 확인하였다. According to proliferation of smartphones and extension various...

Wireless sensor networks (WSNs) have a vast field of applications, including environment monitoring, battlefield surveillance and target tracking systems. As WSNs are usually deployed in remote or hostile environments nodes prone to compromise attacks, the adoption key management is extremely important. Most queries WSN applications issued at point base station gateway node network. However, there great need access real-time data inside network from because may no longer be accessed through...

스마트폰, 태블릿 PC 등 스마트 기기가 보급되면서 SNS(Social Network Services)의 사용자가 증가하고 있다. SNS는 연령이나 직업 사용자의 배경과 무관하게 많은 사람들과 인맥 형성을 할 수 있고, 정보를 쉽고 빠르게 전달하는 도구로 사용되고 최근에는 SNS의 장점을 악용하는 역기능이 이슈화되고 예를 들면, 계정 생성이 간편하고 인증절차 없이 가입할 있는 점을 통해 한 다수의 계정을 생성하여 광고성 글 게재, 악성 댓글 행위를 하거나, 친구관계를 맺어 개인정보를 유출하는 것을 꼽을 본 논문에서는 세계적으로 가장 점유율이 높은 SNS인 페이스북을 연구대상으로 정한다. 따라서 페이스북 사용자들로부터 생성되는 안전하게 공유하고 서로 간의 신뢰관계를 보장하며, 하는 사용자나 봇을 판단하기 위해 행동을 기반으로 신뢰기준을 선정하여 이에 따른 신뢰점수를 사용자 계정에 적용시키는 방법을 제안한다. Most people are connected to Social...

스마트 홈은 집에서 사용하는 가전기기를 집 밖에 있는 사람이 원격으로 제어할 수 기술 및 서비스로서 사용자에게 편의성을 제공한다. 사람과 가장 밀접한 장소인 내부에 서비스를 제공하기 때문에 공격자에 의한 악의적인 기기제어, 사생활 침해와 같은 보안 사고가 경우 피해 규모가 클 것으로 예상된다. 현재 해외 제품의 가전기기의 취약점들이 매년 지속적으로 발표되고 있으며 이러한 취약점들은 사용자의 안전과 개인 자산에 심각한 문제를 발생할 있다. 따라서 국내의 홈 안전하게 이용하기 위해서는 환경에서 전체적인 위협을 체계적으로 식별하고 분석하는 것이 필요하다. 본 논문에서는 위협 모델링을 사용하여 환경의 보안을 분석하기 위한 체크리스트를 제안한다. 제안한 체크리스트의 실효성을 위해 실제 서비스에 적용하여 홈을 분석한다. Smart Home Appliance which makes people to operate machines in the home by remote control is...

This paper offers a comprehensive examination of the Ming Dynasty, focusing on two key areas : evolution its political history and various facets Emperor's authority. The early emperors, beginning with Taizu Zhu Yuanzhang, also known as Hongwu Emperor, established autocratic power through strong charisma extensive institutional reforms. imperial power's legitimacy was further cemented internally externally by Yongle strategic relocation capital to Beijing, accompanied his proactive foreign...

What social factors affect the content of rap music? Previous studies in this area have documented differing themes present rap, such as violence, sexual behavior, and materialism. Scholars interpreted these artistic reflections conditions, urban poverty mass incarceration. The purpose study is to extend basic analysis test hypotheses derived from “social reflection” theory lyrical content. Using data 27,445 underground mainstream singles released United States 1971 2016, we hypothesis that...

Images are often termed as representations of perceived reality. As such, racial and gender biases in popular media imagery could play a vital role shaping people's perceptions society. While inquiries into such have examined the frequency at which different groups appear forms media, literature still lacks large-scale longitudinal study that further examines manner these portrayed. To fill this gap, we examine three forms, namely fashion magazines, movie posters, advertisements. do so,...

Collective engagement with culture including music and the arts can trace societal changes associated acute disruptions, such as pandemics, political movements, wars. Can daily shared experiences of reveal deep long lasting impacts disturbances? We collected longitudinal data 12.8 million discoveries via Shazam across 1,423 cities 53 countries, relating them to onset Russia’s invasion Ukraine in 2022. Among post-Soviet results revealed cascades disintegration that rapidly escalated during...

Making decent multi-lingual sentence representations is critical to achieve high performances in cross-lingual downstream tasks. In this work, we propose a novel method align embeddings based on the similarity of sentences measured by pre-trained mono-lingual embedding model. Given translation pairs, train model way that between follows at teacher Our can be considered as contrastive learning with soft labels defined sentences. experimental results five languages show our loss far...