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Dr. Florian Lemmerich

We present a new method for detecting interpretable subgroups with exceptional transition behavior in sequential data. To tackle this task we employ exceptional model mining.

02.06.2016 - 10:15 h
Marcel Heinz

As the currently biggest online available encyclopedia, Wikipedia is a target of ontology extraction approaches. We assemble a suite of bad smells to perform a criteria based evaluation on an extracted ontology that aims at giving a classification taxonomy.

31.05.2016 - 10:00 h

The current Web of Data contains a large amount of interlinked data. However, there is still limited knowledge about the quality of the links connecting entities of different and distributed data sets. In this article, we present a framework for the intrinsic evaluation of RDF links, based on the core principles of Semantic Web data integration.

31.05.2016 - 10:00 h

Saliency is a scene feature which sticks out of its surroundings most. Nowadays there exist a wide range of approaches intended to detect saliency from images. Comparison and evaluation of these models is a significant task in multimedia analysis.

19.05.2016 - 10:15 h
Eye tracking Praktikum students

Writing an application that offers eye tracking support for a common social media platform was the goal of the research lab “Eye-tracking” (WS 15/16). The platform of choice was Twitter and this talk will introduce the application “GazeTheWeb – Tweet” with its functionalities as well as the evaluation to evaluate the usability of proposed system

Participants: Svenja Neuneier, Dennis Hahn, Caterine Ospina Ocampo, Sergei Diez, Saskia Handabura, Kim Ballmes, Wojciech Kwasnik, Benjamin Stephan, Eike Idczak, Matthias Barde, Annika Wießgügel, Philipp Weber

12.05.2016 - 10:15 h

In this talk, I present recent results on the measurement of conflict in signed social network. A signed social network is a network in which both positive and negative ties are present, for instance representing friendship and enmity, or trust and distrust.

21.04.2016 - 10:15 h

Recent research attributes an increasing importance to firm-sponsored developers active in open source software (OSS) projects. Although the research field around OSS developers is not entirely new we have little knowledge about how firm-sponsored developers may be different in some aspects from their peers contributing to an OSS project in their leisure time.

14.04.2016 - 10:15 h

A problem in the Linker Open Data domain is that of  incomplete schema  specifications. Data sources do not all publish or refer to schemas capturing the whole of their data completely. Many approaches have been proposed for alleviating this issue.

07.04.2016 - 10:15 h
Timo Homburg

In geographic information systems (GIS), heterogenous data can be seen as amajor obstacle for a project-oriented integration. Usually data has to be inte-grated into a single system and conversion mechanisms have to be implemented.

31.03.2016 - 10:15 h

Linked Open Data (LOD) is public data, which is published and interconnected with the Resource Description Framework (RDF) on the web. The size and interconnection of the data within the LOD cloud makes it hard to grasp all the information that is explicitly and implicitly available.

24.03.2016 - 10:15 h