The details of this work are given in the following publications, please refer to them if you would use this tool in your research.

Kübra Adalı and Gülşen Eryiğit. Vowel and Diacritic Restoration for Social Media Texts.
In 5th Workshop on Language Analysis for Social Media (LASM) at EACL,
Gothenburg, Sweden, April 2014 (bibtex) (pdf)

Gülşen Eryiğit . ITU Turkish NLP Web Service
In Proceedings of the Demonstrations at the 14th Conference
of the European Chapter of the Association for Computational Linguistics
(EACL 2014). Gothenburg, Sweden, April 2014.
(bibtex) (pdf) (poster)