The process of removing items from a collection. Items can be removed due to lacking accuracy, to make room for subject gaps, and other concerns.

Weeding

The process of up-keeping a collection, including organizing, adding, and removing materials. 

San Jose State University

University of Illinois at Urbana-Champaign

Collection development is the process of building library materials of all types of media and further revising and acquiring that content. 

Collection Development

Collection Maintenance and Weeding. (2017, December 29). Tools, Publications & Resources. http://www.ala.org/tools/challengesupport/selectionpolicytoolkit/weeding

ALA Guide to Collection Maintenance

Collection Maintenance

Large databases that are usually subscribed to by an institution for patrons to use for information seeking. 

Index-Based Discovery Services

An institute's guidelines regarding how they acquire, upkeep and decide to remove items from their collection. 

Collection Policy

- User needs analysis
- Policies development
- Selection
- Acquisition
- Weeding
- Evaluation

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Related

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