What is entity resolution?


Techopedia says that Entity resolution (ER) is a process that helps data administrators to gather together a complete body of data about one particular item or object. It helps solve different problems resulting from data entry errors, aliases, information silos and other issues where redundant data may cause confusion.

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Why do you need entity resolution?

Found this interesting quote from NubeTech about why do you need entity resolution - The problem of entity resolution or data matching is the problem of finding and linking different mentions of the same entity in a single data source or across multiple data sources. Fuzzy Data Matching or Fuzzy Record Matching is referenced by various names – entity matching, record matching, record linkage, dedupe, deduplication, entity resolution, merge purge, reference matching etc. The entity can be any type – person, organization, address, product etc. Each entity also has its attributes – email id, url, phone number, house number, brand, model, capacity etc, and each attribute can have differences in the way it is captured in two different records of the same entity.
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