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From "Mark Harwood (JIRA)" <>
Subject [jira] Updated: (LUCENE-725) NovelAnalyzer - wraps your choice of Lucene Analyzer and filters out all "boilerplate" text
Date Tue, 20 Mar 2007 23:39:32 GMT


Mark Harwood updated LUCENE-725:


Updated version can now process any number of documents and remove "boilerplate" text tokens
such as copyright notices etc.
New version automatically maintains only a sliding window of content in which it searches
for duplicate paragraphs enabling it to process unlimited numbers of documents.

> NovelAnalyzer - wraps your choice of Lucene Analyzer and filters out all "boilerplate"
> -------------------------------------------------------------------------------------------
>                 Key: LUCENE-725
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Analysis
>            Reporter: Mark Harwood
>            Priority: Minor
>         Attachments:,
> This is a class I have found to be useful for analyzing small (in the hundreds) collections
of documents and  removing any duplicate content such as standard disclaimers or repeated
text in an exchange of  emails.
> This has applications in sampling query results to identify key phrases, improving speed-reading
of results with similar content (eg email threads/forum messages) or just removing duplicated
noise from a search index.
> To be more generally useful it needs to scale to millions of documents - in which case
an alternative implementation is required. See the notes in the Javadocs for this class for
more discussion on this

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