In distributed word representation, each word is represented as a unique point in the vector space. This paper extends this to a diachronic setting, where multiple word embeddings are generated with corpora in different time periods. These multiple embeddings can be mapped to a single target space via a linear transformation. In this target space each word is thus represented as a distribution. The deviation features of this distribution can reflect the semantic variation of words through different time periods. Experiments show that word groups with similar deviation features can indicate the hot topics in different ages. And the frequency change of these word groups can be used to detect the age of peak celebrity of the topics in the history.


Lexical semantics diachronic corpora semantic distribution hot topics 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Ni Sun
    • 1
    • 2
  • Tongfei Chen
    • 1
  • Liumingjing Xiao
    • 1
  • Junfeng Hu
    • 1
    • 2
  1. 1.School of Electronics Engineering & Computer SciencePeking UniversityBeijingP.R. China
  2. 2.Key Laboratory of Computational Linguistics (Ministry of Education)P.R. China

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