Research on SOM-Based Query Reformulation in Emergency Decision

Wei Dong Huang; Yi Zi Wang; Yin Mao Liu

doi:10.4028/www.scientific.net/AMM.415.396

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 415Research on SOM-Based Query Reformulation in...

Research on SOM-Based Query Reformulation in Emergency Decision

Abstract:

The efficiency and accuracy of professional retrieval are closely related to semantic representation model in professional field. Representing retrieval requirement accurately is very important to guaranteeing the accuracy of retrieval. In case of professional emergency field, a query reformulation model used to clearing and improving user retrieval requirement is researched. Constructing a latent semantic word space of emergency field, semantic features are clustered by using SOM, and CI index using to determining the optimal cluster boundary is proposed. On this basis, a new query reformulation method is designed. The effectiveness of model is verified by experiment.

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Periodical:

Applied Mechanics and Materials (Volume 415)

Pages:

396-401

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.415.396

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Online since:

September 2013

Authors:

Wei Dong Huang, Yi Zi Wang, Yin Mao Liu

Keywords:

Emergency Decision, Query Frame, Query Reformulation, SOM Network

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