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Basic Technical IVT Commonly tested

Deduplication

noun

Pronunciation: /ˌdiːˈdʒuːplɪˈkeɪʃən/

The automated process of identifying and removing duplicate records within library systems, discovery platforms, and databases to eliminate redundant entries. This ensures clean metadata and prevents users from encountering multiple identical results.

Plain English

The process of automatically removing duplicate copies of the same book or article record from a library database.

Etymology & History

Origin languageEnglish
Rootde- (prefix meaning removal) + duplication (from Latin duplex)
First recorded use1970s
Usage frequencyCommon

Usage

"The library's discovery layer performs deduplication to ensure users see each title only once in search results."

Style guide notes: Use 'deduplication' as the primary term; 'de-duplication' with hyphen is acceptable but less common.

Also known as

duplicate removal record consolidation data cleaning

Contrasted with

duplication record proliferation

Related Terms

Frequently Asked Questions

Why is deduplication important in libraries?

It prevents users from seeing multiple identical results, improves search quality, and ensures efficient database management.

When does deduplication occur?

Typically during metadata ingestion into discovery layers, after resource mergers, and during routine database maintenance.

Why Test Candidates on This?

Critical for assessing discovery platform effectiveness and library database maintenance procedures.

Required skill level: Mid

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