Karl Grieser

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This paper introduces the novel task of topic coherence evaluation, whereby a set of words, as generated by a topic model, is rated for coherence or interpretability. We apply a range of topic scoring models to the evaluation task, drawing on WordNet, Wikipedia and the Google search engine, and existing research on lexical similarity/relatedness. In(More)
Exhibits within cultural heritage collections such as museums and art galleries are arranged by experts with intimate knowledge of the domain, but there may exist connections between individual exhibits that are not evident in this representation. For example, the visitors to such a space may have their own opinions on how exhibits relate to one another. In(More)
This research is concerned with making recommendations to museum visitors based on their history within the physical environment, and textual information associated with each item in their history. We investigate a method of providing such recommendations to users through a combination of language modelling techniques, geospatial modelling of the physical(More)
In this paper we present our systems for calculating the degree of semantic similarity between two texts that we submitted to the Semantic Textual Similarity task at SemEval2013. Our systems predict similarity using a regression over features based on the following sources of information: string similarity, topic distributions of the texts based on latent(More)
Exhibits within Cultural Heritage collections such as museums and art galleries are arranged by experts with intimate knowledge of the domain, but there may exist connections between individual exhibits that are not evident in this representation. For example, the visitors to such a space may have their own opinions on how exhibits relate to one another. In(More)
While the layout of a museum exhibition is largely prescribed by the curator, visitors to museums view connections between exhibits in ways unique to themselves. With the assistance of a large-scale survey of museum visitors we identify that the view taken by museum visitors of a collection of exhibits can be represented by similarity over documents(More)
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