With the phenomenal growth in social media, citizens are coming forward to participate more in discussions on socially relevant topics including government policies, public health etc. India is not an exception to this, and the website mygov.in launched by the Government of India acts as a platform for discussion on such topics. People raise their viewpoints as comments and blogs on various top...

In this paper, we present the idea of detecting Information Need in large social media network. Information need is the need from people to locate and obtain specific information. Social medias can benefit the users by successfully detecting such needs. We formulate this problem as a classification problem, adopting multiple sources of feature and perform linear learning. We propose a distribut...

Social media is continually emerging as a platform of information exchange around health challenges. We study mental health discourse on the popular social media: reddit. Building on findings about health information seeking and sharing practices in online forums, and social media like Twitter, we address three research challenges. First, we present a characterization of self-disclosure in ment...

>IJH=?J-This paper reports on a project on a mental health service offered on the web for young people, who have drug problems, especially with ecstasy. The service is offered by the Medical University of Luebeck and was developed in interdisciplinary cooperation between medicine, computer science and design. The focus of the project was on meeting user-specific needs: providing information and...

Hurricane Sandy was one of the deadliest and costliest of hurricanes over the past few decades. Many states experienced significant power outage, however many people used social media to communicate while having limited or no access to traditional information sources. In this study, we explored the evolution of various communication patterns using machine learning techniques and determined user...

My research aims to draw insights and develop algorithms for a deeper language understanding that involves the meaning of texts, the intention and behaviors of people in online media. Specifically, I have focused on three areas: (1) analyzing semantics for intent understanding, (2) extracting and modeling user roles & relations, and (3) facilitating social interaction. My work focuses on better...

Hospitals have multiple data sources, such as embedded systems, monitors and sensors. The number of data available is increasing and the information are used not only to care the patient but also to assist the decision processes. The introduction of intelligent environments in health care institutions has been adopted due their ability to provide useful information for health professionals, eit...

abstract every producer or service provider needs advertisement for production introduction and better selling. therefore, attention to manufacturing and development of the brand is of special importance for the financial institutions in the international competitions. the improvement of brand value directly depends on advertising and brand identification. therefore, internet has become an impo...

Data from Web sources, such as social media, tend to be volatile to be stored in the DW, making them a good option for situational data. Situational data are useful for decision-making queries at a particular time and situation, and can be discarded after analysis. This article describes an architecture that aims to integrate situational data from social media to user queries at the right time;...

User needs are a fundamental element of design. If the design process does not properly reflect user needs, the design will be severely compromised. Therefore, it is worthwhile to investigate how the user is, and user needs are, understood in the design process. In this paper, three accepted linear process models for web site and interactive media design are reviewed in terms of the designer an...