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Mapper: meaning, definitions and examples

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mapper

 

[ ˈmæpər ]

Noun
Context #1 | Noun

computer programming

A mapper is a function that transforms input data into a different format or structure. It is commonly used in the context of data processing or data analysis.

Synonyms

converter, processor, transformer

Examples of usage

  • A mapper function in a MapReduce programming model processes key-value pairs.
  • The mapper takes the input data and converts it into intermediate key-value pairs.
  • MapReduce frameworks like Hadoop rely heavily on mappers for distributed data processing.

Translations

Translations of the word "mapper" in other languages:

🇵🇹 mapeador

🇮🇳 मानचित्रकार

🇩🇪 Kartograf

🇮🇩 pemetaan

🇺🇦 картограф

🇵🇱 kartograf

🇯🇵 地図製作者 (ちずせいさくしゃ)

🇫🇷 cartographe

🇪🇸 cartógrafo

🇹🇷 haritacı

🇰🇷 지도 제작자

🇸🇦 رسام خرائط

🇨🇿 kartograf

🇸🇰 kartograf

🇨🇳 制图师

🇸🇮 kartograf

🇮🇸 kortagerðarmaður

🇰🇿 картограф

🇬🇪 კარტოგრაფი

🇦🇿 xəritəçi

🇲🇽 cartógrafo

Etymology

The term 'mapper' originated from the field of cartography, where it referred to a person who creates maps. In computer programming, the concept of mapping data from one form to another was adapted, leading to the use of 'mapper' to describe functions that perform this transformation.

See also: map, mapmaker, mapmaking, mapping, unmapped.

Word Frequency Rank

This word's position of #34,944 indicates it's among the more rare English words. While understanding it broadens your vocabulary, focus on more common words first.