T paper studies competition between firms whose “products” (content) are generated by their customers (users). Video sharing sites, social networks, online games, etc. all rely heavily on user-generated content and have been growing significantly in the last decade. We model a Hotelling style market in which consumers have heterogeneous tastes along a circular city. In a first step, we consider...

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To be able to take efficient measures in crisis management, it is essential for emergency services to get as much details about an actual situation on-site as possible. Currently content from social media plays an important role since those platforms are used to spread crisis-relevant data within the population. Our contribution presents a concept which supports the situation assessment practic...

The traditional boundaries between public and private sectors has been blurred, and questions raised regarding how publicness could be conceptualized. The empirical study on the concept of publicness can reveal greatly diversified views on publicness, and help to reduce confusion over publicness. For the content analysis, 750 news articles of 8 national Korean newspapers were retrieved from the...

Paper deals with using machine vision to control pointing device. It focuses on creating control software for movement and positioning with pointing device based on machine vision. Using the account information on the identification and location of the object positioning obtained using machine vision techniques.

With huge amounts of multimedia information connected to the global information network (Internet), e cient and e ective image retrieval from large image and video repositories has become an imminent research issue. This article presents our research in the C-BIRD (Content-Based Image Retrieval in Digital-libraries) project. In addition to the use of common features such as color, texture, shap...

Some companies concentrate on upgrading their supply chain operations. Others focus more on the demand side, seeking to improve the customer relationship processes. Yet the real key to market success is to effectively integrate the two initiatives. By doing so, you can offer customers a greatly enhanced value proposition. And this, in turn, leads to new T raditionally, supply chain management h...

Terms used to describe city centers, such asDowntown, are key concepts in everyday or vernacular language. Here, we explore such language by harvesting georeferenced and tagged metadata associated with 8 million Flickr images and thus consider how large numbers of people name city core areas. The nature of errors and imprecision in tagging and georeferencing are quantified, and automatically ge...

Based on the newest information and communication technology all the needs of modern educational systems can be met for the first time in one tool and one medium: the computer and the internet. Computer based solutions provide the technological support necessary for the whole teaching and learning process. The greatest advantage is the possible combination of all usable instruments, their flexi...

The ionosphere is still considered one of the most significant error sources in precise Global Navigation Satellite Systems (GNSS) positioning. On the other hand, new satellite signals and data processing methods allow for a continuous increase in the accuracy of the available ionosphere models derived from GNSS observables. Therefore, many research groups around the world are conducting resear...