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Jorge Arús Hita is senior lecturer in English language and linguistics at Universidad Complutense de Madrid, Spain.

Julia Lavid is full profesor of English Language and Linguistics at Universidad Complutense de Madrid. Her research interests cover a wide range of topics related to the functional analysis of English (often in comparison with Spanish and other European languages), using computational and corpus-based methodologies. She has published extensively on these topics, being the author of the book Lenguaje y nuevas tecnologías: nuevas perspectivas, métodos y herramientas para el lingüista del siglo XXI (Madrid, Cátedra, 2005), and coauthor of the research monograph Systemic-Functional Grammar of Spanish: a Contrastive Account with English (London: Continuum, 2010). In her lecture she discusses theoretical and methodological issues related to her most recent research on contrastive corpus annotation methodologies.