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Localisation Focus

The International Journal of Localisation

Localisation Focus–The International Journal of Localisation provides a forum for localisation professionals and researchers to discuss and present their localisation-related work, covering all aspects of this multi-disciplinary field, including software engineering and HCI, tools and technology development, cultural aspects, translation studies, human language technologies (including machine and machine assisted translation), project management, workflow and process automation, education and training, and details of new developments in the localisation industry. Proposed contributions are peer-reviewed thereby ensuring a high standard of published material. Localisation Focus–The International Journal of Localisation is distributed worldwide to libraries and localisation professionals, including engineers, managers, trainers, linguists, researchers and students. Indexed on a number of databases, this journal affords contributors increased recognition for their work. Localisation-related articles, book reviews, perspectives, insights and correspondence are all welcome.

Pattern-based Enhancements to Unicode Bidirectional Algorithm

Volume 11  Issue 1


Authors: Murhaf Hossari, Arthur W S Cater


In this paper, we present an improvement upon the Unicode Bidirectional Algorithm, eliminating the need for manually added directional codes in many cases. The modified algorithm recognizes cases conforming to four general patterns, and provides the correct directionality to their constituent characters without the need to use directional codes. Experiments performed on 593 paragraphs used in Apple software localised for Arabic showed that this approach succeeds in 86.3% of our defined cases correctly (the recognized four general patterns), which constitutes 54.3% of the total paragraphs in our test set. We also present other wrongly displayed cases requiring future work.

Keywords: Unicode Bidirectional Algorithm, Right-to-Left Text Layout, Internationalisation, and Localisation

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