Difference between revisions of "Text summarization"

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== Example Systems ==
 
== Example Systems ==
* LexRank - [http://clair.si.umich.edu/clair/lexrank/]
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* [http://clair.si.umich.edu/clair/lexrank/ LexRank ]
* MEAD summarizer - [http://www.clsp.jhu.edu/ws2001/groups/asmd/]
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* [http://www.clsp.jhu.edu/ws2001/groups/asmd/ MEAD summarizer]
* News In Essence - [http://www.newsinessence.com]
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* [http://www.newsinessence.com News In Essence]
  
 
== References / Links ==
 
== References / Links ==
 
* A bit outdated website with some references related to text summarization - [http://www.summarization.com/]
 
* A bit outdated website with some references related to text summarization - [http://www.summarization.com/]
 
* Wikipedia article on automatic summarization - [http://en.wikipedia.org/wiki/Automatic_summarization]
 
* Wikipedia article on automatic summarization - [http://en.wikipedia.org/wiki/Automatic_summarization]

Revision as of 15:57, 30 September 2010

Summary

Text Summarization (also known as summarization, and automatic summarization) is a natural language processing task which focuses on creating shortened versions of texts with computer algorithms/software that retain the important points of the original piece of text.

Common Approaches

Some common approaches to text summarization include the following:

  • Extraction, extracts most important information (sentences or paragraphs) from original text and copies them to make summary
  • Abstraction, paraphrases sections in the original text and relies on language generation to make the summaries coherent

Challenges / Issues

Some major challenges in text summarization

Example Systems

References / Links

  • A bit outdated website with some references related to text summarization - [1]
  • Wikipedia article on automatic summarization - [2]