Morphological Variation of Arabic Queries

  • Asaad Alberair
  • Mark Sanderson
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3936)


Although it has been shown that in test collection based studies, stemming improves retrieval effectiveness in an information retrieval system, morphological variations of queries searching on the same topic are less well understood. This work examines the broad morphological variation that searchers of an Arabic retrieval system put into their queries. In this study, 15 native Arabic speakers were asked to generate queries, morphological variants of query words were collated across users. Queries composed of either the commonest or rarest variants of each word were submitted to a retrieval system and the effectiveness of the searches was measured. It was found that queries composed of the more popular morphological variants were more likely to retrieve relevant documents that those composed of less popular.


Retrieval System Relevant Document Query Term User Query Information Retrieval System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Asaad Alberair
    • 1
  • Mark Sanderson
    • 1
  1. 1.Department of Information StudiesUniversity of SheffieldSheffieldUK

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