Erik Wallin

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An important issue in Internet marketing is the possibility of designing autonomous agents that are able to interpret subjective values in goods and services. From the customers' point of view, it is important to evaluate all aspects linked to the product before purchasing, not only easily identified objective parameters such as the price. From a marketing(More)
Today's increasing information supply raises the need for more effective and automated information processing where individual information adaptation (personalization) is one possible solution. Earlier computer systems for personalization lacked the ability to easily define and measure the effectiveness of personalization efforts. Numerous projects failed(More)
WHAT IS KNOWN ON THE SUBJECT?: The Depression, Anxiety and Stress Scale-21 (DASS-21) is a widely used measurement for psychological symptoms and distress. Some previous studies have shown that the DASS-21 can accurately measure symptoms of anxiety, depression and stress, while other studies have indicated that the DASS-21 mainly measures overall distress.(More)
2009 This list represents the public scholarly output of the members of the Hiram College Community for the calendar year 2009. appropriate. Boldfaced journal titles indicate peer review. Photos are provided for those publishing books and completing dissertations. We have included as many links as possible on titles. The list does not include works in(More)
Azotobacter vinelandii is a soil bacterium related to the Pseudomonas genus that fixes nitrogen under aerobic conditions while simultaneously protecting nitrogenase from oxygen damage. In response to carbon availability, this organism undergoes a simple differentiation process to form cysts that are resistant to drought and other physical and chemical(More)
The paper is about personalization system applications in different kind of settings. The studied systems utilize descriptions of information characteristics to perform content based filtering in order to increase stated business objectives. Data and experiences from action research, covering three different product areas – sports retailing, online(More)
The purpose of this case study was to explore the socio-technical contexts of mobile service development within a network, the Mobile Arena Cluster functioning in Malmö, in the South of Sweden. The main research question was: how do the members of the Mobile Arena Cluster develop Mobile services. In order to answer the question, it was necessary to research(More)