C. Schlieder

Publications
Influence

C. Schlieder
Mathematics, Computer Science
COSIT
21 September 1995

We introduce a system of line segment relations which generalizes Allen's system of interval relations to two dimensions. Expand

Preferred and Alternative Mental Models in Spatial Reasoning

R. Rauh, C. Hagen, M. Knauff, T. Kuss, C. Schlieder, G. Strube
Psychology, Computer Science
Spatial Cogn. Comput.
2 September 2005

The mental model theory postulates that spatial reasoning relies on the construction, inspection, and the variation of mental models. Expand

Designing location-based mobile games with a purpose: collecting geospatial data with CityExplorer

Sebastian Matyas, Christian Matyas, C. Schlieder, P. Kiefer, H. Mitarai, Maiko Kamata
Computer Science
ACE '08
3 December 2008

The games with a purpose paradigm proposed by Luis von Ahn [9] is a new approach for game design where useful but boring tasks, like labeling a random image found in the web, are packed within a game to make them entertaining. Expand

Representing Visible Locations for Qualitative Navigation

C. Schlieder
Computer Science
1993

TeDUB: A System for Presenting and Exploring Technical Drawings for Blind People

H. Petrie, C. Schlieder, +8 authors Maurizio Alafaci
Computer Science
ICCHP
15 July 2002

Blind people can access and use textual information effectively in a variety of ways - through Braille, audiotape or computer-based systems. Expand

Representing the Meaning of Spatial Behavior by Spatially Grounded Intentional Systems

C. Schlieder
Computer Science
GeoS
29 November 2005

This paper proposes a representational formalism and a reasoning mechanism for knowledge about an agent who acts according to changing intentions: spatially grounded intentional systems. Expand

A Spatial User Similarity Measure for Geographic Recommender Systems

Christian Matyas, C. Schlieder
Computer Science
GeoS
15 November 2009

Recommender systems solve an information filtering task. They suggest data objects that seem likely to be relevant to the user based upon previous choices that this user has made. A geographic… Expand

Preferred mental models in qualitative spatial reasoning: A cognitive assessment of Allen's calculus

M. Knauff, R. Rauh, C. Schlieder
Psychology
1995

An experiment based on Allen's calculus and its transfer to qualitative spatial reasoning, was conducted. Subjects had to find a conclusion X r 3 Z that was consistent with the given premises X r 1 Y… Expand

Geogames: Designing Location-Based Games from Classic Board Games

C. Schlieder, P. Kiefer, Sebastian Matyas
Computer Science
IEEE Intelligent Systems
1 September 2006

The traditional image of interactive entertainment - games that reduce players' physical involvement to moving a joy stick - is obsolete. Expand

Qualitative Spatial Representation for Information Retrieval by Gazetteers

C. Schlieder, T. Vögele, U. Visser
Computer Science
COSIT
19 September 2001

We propose a new type of spatial footprint that can be described as a qualitative representation of the spatial decomposition of geographic entities. Expand

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