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Search the World's Largest Database of Information Science & Technology Terms & Definitions

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Below please find a list of definitions for the term that
you selected from multiple scholarly research resources.

What is Query Expansion (QE)

Chapter 593

Encyclopedia of Information Science and Technology, Third Edition

The process of reformulating a seed query to improve retrieval performance in information retrieval operations. In the context of web search engines, query expansion involves evaluating a user's input (what words were typed into the search query area, and sometimes other types of data) and expanding the search query to match additional documents (Wikipedia, n.d.e).

Published in Chapter:

Semantic Image Retrieval

C.H.C. Leung (Department of Computer Science, Hong Kong Baptist University, Hong Kong) and Yuanxi Li (Hong Kong Baptist University, Hong Kong)

Source Title: Encyclopedia of Information Science and Technology, Third Edition

DOI: 10.4018/978-1-4666-5888-2.ch593

Full Text Chapter Download: US $37.50 Add to Cart