Spectral Methods Cluster Words of the Same Class in a Syntactic Dependency Network

@article{FerreriCancho2007SpectralMC,
  title={Spectral Methods Cluster Words of the Same Class in a Syntactic Dependency Network},
  author={Ramon Ferrer-i-Cancho and Andrea Capocci and Guido Caldarelli},
  journal={Int. J. Bifurc. Chaos},
  year={2007},
  volume={17},
  pages={2453-2463}
}
We analyze here a particular kind of linguistic network where vertices represent words and edges stand for syntactic relationships between words. The statistical properties of these networks have been recently studied and various features such as the small-world phenomenon and a scale-free distribution of degrees have been found. Our work focuses on four classes of words: verbs, nouns, adverbs and adjectives. Here, we use spectral methods sorting vertices. We show that the ordering clusters… 
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