Implications between attributes can represent knowledge about objects in a speciied context. This knowledge representation is especially useful when it is not possible to list all speciied objects. Attribute exploration is a tool of formal concept analysis that supports the acquisition of this knowledge. For a speciied context this interactive procedure determines a minimal list of valid implic...

Sight Quest is a location-based game for mobile camera devices that uses paper maps as game boards and is played in urban spaces. The players have to solve different quests requiring knowledge about geographic objects on the map as well as real and fictional attributes of these objects. The players move their mobile camera device like a magic lens over the map in order to make the attributes of...

This paper argues for enhanced consideration of third variables in interactivity research and proposes a “mediated moderation” model to bring increased sophistication to bear on the study of information technology effects. Interactivity, a central phenomenon in new media research, is an elusive concept that has enduringly intrigued and confused scholars. Extant conceptualizations have produced ...

Searching for patterns in graphs and visualizing the search results is an active area of research with numerous applications. With the continual growth of database size, querying these databases often results in multiple solutions. Text-based systems present search results as a list, and going over all solutions can be tedious. In this paper, we present an interactive visualization system that ...

A central topic in scientific visualization is the transfer function (TF) for volume rendering. The TF serves a fundamental role in translating scalar and multivariate data into color and opacity to express and reveal the relevant features present in the data studied. Beyond this core functionality, TFs also serve as a tool for encoding and utilizing domain knowledge and as an expression for vi...

In this paper, we describe the Adaptive Place Advisor, a conversational recommendation system designed to help users decide on a destination. We view the selection of destinations as an interactive, conversational process, with the advisory system inquiring about desired item characteristics and the human responding. The user model, which contains preferences regarding items, attributes, values...

Model transformation plays an important role in the modeldriven engineering (MDE) approach which has the capability to generate the system code from a conceptual model. In fact, it describes the process of converting one model into another of the same system. Considering a source model, there may be several ways to transform it into target models with the desired usability attributes. This pape...

Adaptivity is widely recognised as a major characteristic of Intelligent User Interfaces for improving the usability of interactive systems, in order to meet the requirements of heterogeneous user categories. The process through which adaptivity takes place is characterised by several attributes. In this paper, we are concerned with adaptivity constituents, determinants, goals and rules, and id...

Multiple attribute decision making (MADM) addresses the problem of choosing an optimum choice containing the highest degree of satisfaction from a set of alternatives which are characterized in terms of their attributes. In order to make a decision or choose a best alternative, a decision maker (DM) is often asked to provide his/her preferences either on alternatives or on the relative weights ...

In this paper, we describe the Adaptive Place Advisor, a conversational recommendation system designed to help users decide on a destination. We view the selection of destinations as an interactive, conversational process, with the advisory system inquiring about desired item characteristics and the human responding. The user model, which contains preferences regarding items, attributes, values...