[Corpora-List] Annotation tools for unicode right-to-left languages

Richard Eckart de Castilho eckart at ukp.informatik.tu-darmstadt.de
Mon May 9 14:54:49 CEST 2016

Dear Mehdi,

it would be great if you could give WebAnno a try:


RTL support is experimental, but hopefully usable. We have at least one known issue:


It would be great if you could report on any experiences and/or open issues in the tracker listed above describing what problems you were facing.

Also, brat has recently back-ported the RTL support from WebAnno into a branch in their codebase:



-- Richard

> On 09.05.2016, at 14:37, Mahdi Mohseni <mohseni48 at gmail.com> wrote:
> Dear all,
> I'm looking for a manual annotation tool which supports unicode righ-to-left languages such as Persian and Arabic. Have tried a dozen of annotation tools but not of them support Persian and Arabic text properly, showing words in wrong order or completely unreadable. I need a tool to annotate texts with POS, Chunk and Named Entity tags.
> Best regards,
> Mehdi

-- ------------------------------------------------------------------- Dr. Richard Eckart de Castilho Technical Lead Ubiquitous Knowledge Processing (UKP) Lab FB 20 / Computer Science Department Technische Universitšt Darmstadt Hochschulstr. 10, D-64289 Darmstadt, Germany phone [+49] (0)6151 16-25299, fax -25295, room S2/02/B117 eckart at ukp.informatik.tu-darmstadt.de www.ukp.tu-darmstadt.de

Web Research at TU Darmstadt (WeRC): www.werc.tu-darmstadt.de GRK 1994: Adaptive Preparation of Information from Heterogeneous Sources (AIPHES): www.aiphes.tu-darmstadt.de PhD program: Knowledge Discovery in Scientific Literature (KDSL) www.kdsl.tu-darmstadt.de -------------------------------------------------------------------

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