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What is Query Keyword

Chapter 1
Handbook of Research on Innovative Database Query Processing Techniques
A term or phrase contained in a user query.
Published in Chapter:
Top-k Relevant Term Suggestion Approach for Relational Keyword Search
Xiangfu Meng (Liaoning Technical University, China), Xiaoyan Zhang (Liaoning Technical University, China), and Chongchun Bi (Liaoning Technical University, China)
Copyright: © 2016 |Pages: 24
DOI: 10.4018/978-1-4666-8767-7.ch001
Abstract
This chapter proposes a novel approach, which can provide a list of keywords that both semantically related to the application domain and the given keywords by analyzing the correlations between query keywords and database terms. The database term is first modeled as and suppose each query keyword can map into a database term. Then, a coupling relationship measuring method is proposed to measure both term intra- and inter-couplings, which can reflect the explicit and implicit relationships between terms in the database. Based on the coupling relationships between terms, for a given keyword query, an order of all terms in database is created for each query keyword and then the threshold algorithm (TA) is leveraged to expeditiously generate top-k ranked semantically related terms. The experiments demonstrate that our term coupling relationship measuring method can efficiently capture the semantic correlations between query keywords and terms in database.
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