Measuring semantic relatedness with vector space models and random walks

Authors:
Amaç Herdağdelen;Katrin Erk;Marco Baroni
Affiliations:
University of Trento;University of Texas at Austin;University of Trento
Venue:
TextGraphs-4 Proceedings of the 2009 Workshop on Graph-based Methods for Natural Language Processing
Year:
2009

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Abstract

Both vector space models and graph random walk models can be used to determine similarity between concepts. Noting that vectors can be regarded as local views of a graph, we directly compare vector space models and graph random walk models on standard tasks of predicting human similarity ratings, concept categorization, and semantic priming, varying the size of the dataset from which vector space and graph are extracted.