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https://issues.apache.org/jira/browse/TIKA-2038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15854026#comment-15854026
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Tim Allison commented on TIKA-2038:
-----------------------------------

[~faghani], thank you.  I just created a new 1 TB drive on our Rackspace 
server, and I'm pulling down the latest Common Crawl indices.  If you have a 
complete list of the TLDs we should sample from, that'd be useful.  Thank you!

> A more accurate facility for detecting Charset Encoding of HTML documents
> -------------------------------------------------------------------------
>
>                 Key: TIKA-2038
>                 URL: https://issues.apache.org/jira/browse/TIKA-2038
>             Project: Tika
>          Issue Type: Improvement
>          Components: core, detector
>            Reporter: Shabanali Faghani
>            Priority: Minor
>         Attachments: comparisons_20160803b.xlsx, comparisons_20160804.xlsx, 
> iust_encodings.zip, lang-wise-eval_results.zip, lang-wise-eval_runnable.zip, 
> lang-wise-eval_source_code.zip, tika_1_14-SNAPSHOT_encoding_detector.zip
>
>
> Currently, Tika uses icu4j for detecting charset encoding of HTML documents 
> as well as the other naturally text documents. But the accuracy of encoding 
> detector tools, including icu4j, in dealing with the HTML documents is 
> meaningfully less than from which the other text documents. Hence, in our 
> project I developed a library that works pretty well for HTML documents, 
> which is available here: https://github.com/shabanali-faghani/IUST-HTMLCharDet
> Since Tika is widely used with and within some of other Apache stuffs such as 
> Nutch, Lucene, Solr, etc. and these projects are strongly in connection with 
> the HTML documents, it seems that having such an facility in Tika also will 
> help them to become more accurate.



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