Now showing items 31-40 of 50
A Study on the Usability and User Perception of Customer Service Systems for E-Commerce
Virtual assistants are able to support users in finding the right information. These programs use natural language processing, learning techniques and social abilities to offer adequate usability experiences for users. ...
Identification and Analysis of Media Bias in News Articles
Depending on the news source, a reader can be exposed to a different narrative and conflicting perceptions for the same event. Today, news aggregators help users cope with the large volume of news published daily. However, ...
Gamification Elements and Their Perception by Different Gamer Types
A Case Study for a Project Management Software
Gamification is being applied more and more to information systems. Many developers apply similar strategies for the gamification of tasks. A benchmark conducted in 22 mobile apps containing gamification elements showed ...
Using Sessions from Clickstream Data Analysis to Uncover Different Types of Twitter Behaviour
While much is known about how Twitter is used for specific tasks or by particular groups of users, we understand surprisingly little about how the service is used generally on a daily basis. To learn more about general ...
A Reference Architecture for Virtual Research Environments
This paper describes the Reference Architecture of the enhanced VRE (e-VRE), a Virtual Research Environment defined in the context of the VRE4EIC Project, funded by EU H2020 e-Infrastructure program. e-VRE is designed ...
Are Ads on Google Search Engine Results Pages Labeled Clearly Enough?
The Influence of Knowledge on Search Adson Users’ Selection Behaviour
In an online experiment using a representative sample of the German online population (n = 1,000), we compare users’ selection behaviour on two versions of the same Google search engine results page (SERP), one showing ...
Comparing Heuristic Walkthrough and User Studies in Evaluating Digital Appliances
In this paper we present an empirical study comparing user studies and expert evaluations based on a specific set of heuristics for evaluating information appliances with a heuristic walkthrough. The study looks at an ...
A Generic News Crawler and Extractor
The amount of news published and read online has increased tremendously in recent years, making news data an interesting resource for many research disciplines, such as the social sciences and linguistics. However, large ...
Content, Physical Appearance, Copy Condition
Tagging Customer Book Reviews
Users of online bookstores are not interested only in general book description when searching and buying books, but also in subjective reader opinion, which could be found in online reviews. Reviewers usually comment on ...
Developing an Experimental Design to Examine the Criteria Behind Relevance Judgments
When users of information systems judge the relevance of search results, diverse criteria beyond topical relevance come into play. In this paper, we introduce the doctoral project Relevance Clues, which, through an ...