We propose a content-based approach to explorative visualization of online audio streams (e.g., web radio streams). The visualization space is defined by prototypical instances of musical concepts taken from personal music collections. Our system shows the relation of prototypes to each other and generates an animated visualization that places representations of audio streams in the vicinity of...

In this paper, a new method for solving classification problems based on prototypes is proposed. When using similarity relations for granulation of a universe, similarity classes are generated, and a prototype is constructed for each similarity class. Experimental results show that the proposed method has higher classification accuracy and a satisfactory reduction coefficient compared to other ...

The results of the evaluation of the components of the second MultiMatch system prototype (P2) are reported and details of the experiments that have been conducted are given. The evaluation has focussed on laboratory-based assessment. Performance of individual components and of the overall system is discussed. Fields trials are described in Deliverable 7.4

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Emotion, anger, fear, love, and similar concepts have so far defied classical definition. This article summarizes one analysis of emotion concepts from a prototype perspective and answers criticisms directed at such an analysis. Specifically addressed are 5 claims made by critics: The superordinate concept of emotion is classically defined; basic-level emotion concepts are classically defined; ...

Retrieving the causes of road traffic congestions in quasi real-time is an important task that will enable city managers to get better insight into traffic issues and thus take appropriate corrective actions in a timely way. Our work, accepted at ISWC 2012, tackles this problem by integrating and reasoning over a variety of heterogeneous data sources including data streams. In this paper we pre...

The combination of semistructured data from different sources on the Internet often fails because of syntactic and semantic differences. The resolution of these heterogeneities requires explicit context information in the form of metadata. We give a short overview of a representation model that is well suited for the explicit description of semistructured data, and show how it is used as the ba...

Cost effective development of collaboration technology requires evaluation methods that consider group practices and can be used early in a system’s life-cycle. To address this challenge we developed a survey to evaluate collaboration technology based on innovation dgusion theory[23]. The theory proposes five attributes of innovations that influence technology adoption: relative advantage, comp...