1. Acknowledgments; 2. Preface (by Benmamoun, Elabbas); 3. Section I. Computational and corpus linguistics; 4. Systematicity in the Arabic Mental Lexicon (by Bromberg, Ilana); 5. Arabic PAPPI: A Principles and Parameters Parser (by Fong, Sandiway); 6. Corpus-based linguistic analyses: Testing intuitions about Arabic structure and use (by Ghazali, Salem); 7. Learning Arabic morphology using statistical constraint-satisfaction models (by Rodrigues, Paul); 8. Learning to use the Prague Arabic Dependency Treebank (by Smrz, Otakar); 9. Section II. Phonology, morphology, and syntax; 10. Intonational and rhythmic patterns across the dialect continuum (by Ghazali, Salem); 11. Roots and patterns in Arabic lexical processing (by Mahfoudhi, Abdessatar); 12. Affrication in North Arabic revisited (by Mustafawi, Eiman); 13. The syntax of complex tense in Moroccan Arabic (by Ouali, Hamid); 14. Section III. Sociolinguistics and second language acquisition; 15. On agree and postcyclic merge in syntactic derivations: First conjunct agreement in standard Arabic (by Soltan, Usama); 16. Null subjects use by English and Spanish learners of Arabic as an L2 (by Alhawary, Mohammad T.); 17. Linguistic diversity: The Qaaf across Arabic dialects (by Bahloul, Maher); 18. Arabic sociolinguistics and cultural diversity in Morocco (by Ennaji, Moha); 19. The gendered use of Arabic and other languages in Morocco (by Sadiqi, Fatima); 20. Index of subjects