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An overview of the BIOASQ large-scale biomedical semantic indexing and question answering competition
BackgroundThis article provides an overview of the first BioASQchallenge, a competition on large-scale biomedical semantic indexing and question...
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Audio-visual speaker diarization using fisher linear semi-discriminant analysis
Speaker diarization aims to automatically answer the question “who spoke when” given a speech signal. In this work, we have focused on applying the FLsD...
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CASAM: collaborative human-machine annotation of multimedia
The CASAM multimedia annotation system implements a model of cooperative annotation between a human annotator and automated components. The aim is...
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Semantics Extraction From Multimedia Data: An Ontology-Based Machine Learning Approach
It is often the case that related pieces of information lie in adjacent but different types of data sources. Besides extracting such information from...
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A Multi-class Method for Detecting Audio Events in News Broadcasts
We propose a method for audio event detection in video streams from news. Apart from detecting speech, which is obviously the major class in such...
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Learning Ontologies of Appropriate Size
Determining the size of an ontology that is automatically learned from text corpora is an open issue. In this paper, we study the similarity between...
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On the use of spatial relations between objects for image classification
Image classification is addressed in this paper by utilizing spatial relation of detected objects in a rule-based fashion. Instances of particular...
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A Segmentation-Free Recognition Technique to Assist Old Greek Handwritten Manuscript OCR
Recognition of old Greek manuscripts is essential for quick and efficient content exploitation of the valuable old Greek historical collections. In...
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Feature Deforming for Improved Similarity-Based Learning
The performance of similarity-based classifiers, such as K-nn, depends highly on the input space representation, both regarding feature relevence and...
