Semantic Keyword Expansion: A Logical Approach

  • Limin Chen
Conference paper
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 385)


Keyword search is the primary way for ordinary users to access the Web content. It is essentially a syntax match between users’ key-ins and the index structure of information systems with a relevance-ranking way to sort the hitted documents. The syntax match can rarely satisfy users’ information need when the keywords and index are not syntically similar while share a lot semantically. This paper proposed a way of semantic keyword expansion with a re-ranking to handle this problem. Experimental results show that our method helps in improving the quality of keyword search and particularly in the cases of keywords with widely-used synonyms or parasynonyms.


keyword search semantic expansion probabilistic uncertainty re-rank 


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Copyright information

© IFIP International Federation for Information Processing 2012

Authors and Affiliations

  • Limin Chen
    • 1
  1. 1.China Unicom Research InstituteBeijingChina

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