Fabian Kneißl

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Creating descriptive labels for pictures is an important task with applications in image retrieval, Web accessibility and computer vision. Automatic creation of such labels is difficult, especially for pictures of artworks. “Games With A Purpose” strive to create image descriptions by harnessing the intelligence of human players. Existing(More)
Traditional linguistic field research employs the costand time-consuming and possibly biased approach of gathering data by sending out researchers and filling in questionnaires. We improve linguistic field research using crowdsourcing techniques to remedy these issues and open research to a wider audience. On the online platform MetropolItalia, going public(More)
We present pest, a novel approach to approximate querying of structured wiki data that exploits the structure of that data to propagate term weights between related wiki pages and tags. Based on the pest matrix, eigenvectors representing the distribution of a term after propagation are computed. The result is an index which takes the document structure into(More)
We propose a mathematical model for the Towers of Hanoi and London based on state graphs. The analysis of this model allows to address questions like equivalence of puzzles, difficulty of tasks and optimality of solutions using topological, metric and symmetry properties of the corresponding graphs. The mathematical model serves as a base for a computer(More)
Fuzzy matching and ranking are two information retrieval techniques widely used in web search. Their application to structured data, however, remains an open problem. This article investigates how eigenvector-centrality can be used for approximate matching in multirelation graphs, that is, graphs where connections of many di erent types may exist. Based on(More)
This article describes a novel approach to linguistic field research consisting in exploiting the self-regulation of a market for collecting data on language use. The market is conceived as an output-agreement game with a purpose called Borsa Parole. The agreement can be traded with by the players what makes it adjustable. Borsa Parole has been conceived(More)
A concept map is a visual representation of concepts as nodes and of relationships between concepts as edges as a diagram consisting of nodes linked with each other. Concept maps support the learning process inasmuch that they make learners aware of their own progresses. We propose a game-like e-learning tool named Termina to be used for assessing learners'(More)