Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu

Document Databases

  • Frank TompaEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_807


Corpora; Document repositories; Text databases


A document database is a collection of stored texts managed by a system that provides query and update facilities. Usually the database includes many documents related by their subject matter, origin, or applicability to an enterprise. The content of each document may be free text, semi-structured text including a few well-identified fields (e.g., title, author, date), or highly structured tagged text such as might be encoded using XML. Occasionally documents may also contain multimedia components.

In contrast, the term corpus (plural corpora) typically refers to a static collection of texts that have been assembled by experts to study linguistic phenomena (e.g., the Brown Corpus, created in 1964 to study American English, and the Swedish Language Bank) or to provide a rich source of text for lexicographic needs (e.g., the Dictionary of Old English Corpus, including all extant texts written in Old English in the period...

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Recommended Reading

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.David R. Cheriton School of Computer ScienceUniversity of WaterlooWaterlooCanada

Section editors and affiliations

  • Frank Tompa
    • 1
  1. 1.David R. Cheriton School of Computer ScienceUniversity of WaterlooWaterlooCanada