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https://issues.apache.org/jira/browse/TIKA-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136136#comment-16136136
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Takahiro Ochi commented on TIKA-2440:
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Hi there,
Does anyone have any ideas on this issue?
Apache POI version 3.16 or later have the argument for includePhoneticRuns I
mentioned. Therefore, it depends on the version of Apache POI whether Apache
Tika can set the argument or not.
The issue ticket regarding phonetic string handling on Apache POI is as follows:
- BugID: [51519|https://bz.apache.org/bugzilla/show_bug.cgi?id=51519]
- Module: XSSF
- Description: Allow user to select or ignore phonetic strings in shared
strings table
Thanks,
Takahiro
> Phonetic strings handling for multilingual environments.
> --------------------------------------------------------
>
> Key: TIKA-2440
> URL: https://issues.apache.org/jira/browse/TIKA-2440
> Project: Tika
> Issue Type: Improvement
> Components: parser
> Reporter: Takahiro Ochi
> Priority: Minor
>
> Hi there,
> I would like to propose an idea to improve phonetic strings handling for
> multilingual environments. I believe Tika should not concatenate phonetic
> strings because text with phonetic strings is recognized as noisy text in
> most situations of natural language processing.
> Excel files include phonetic strings in some languages such as Japanese,
> Chinese and so on. Apache POI concatenates phonetic strings onto the shared
> strings when Tika extract text from Excel files.
> Recent Apache POI has an switch flag for phonetic strings concatination as
> follows:
> https://poi.apache.org/apidocs/org/apache/poi/xssf/eventusermodel/ReadOnlySharedStringsTable.html#ReadOnlySharedStringsTable(org.apache.poi.openxml4j.opc.OPCPackage,%20boolean)
> Tika should set the 2nd argument "includePhoneticRuns" as false. Here is the
> simple patch for my idea.
> {code:java}
> $ diff -ru XSSFExcelExtractorDecorator.java
> ./tika/tika-1.15/tika-parsers/src/main/java/org/apache/tika/parser/microsoft/ooxml/XSSFExcelExtractorDecorator.java
> --- XSSFExcelExtractorDecorator.java 2017-06-10 19:13:33.355412625 +0900
> +++
> ./tika/tika-1.15/tika-parsers/src/main/java/org/apache/tika/parser/microsoft/ooxml/XSSFExcelExtractorDecorator.java
> 2017-06-10 19:14:30.452411830 +0900
> @@ -130,7 +130,7 @@
> styles = xssfReader.getStylesTable();
> iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
> - strings = new ReadOnlySharedStringsTable(container);
> + strings = new ReadOnlySharedStringsTable(container,false);
> } catch (InvalidFormatException e) {
> throw new XmlException(e);
> } catch (OpenXML4JException oe) {
> {code}
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