First steps in automatic summarization of transcription factor properties for RegulonDB: classification of sentences about structural domains and regulated processes. - Carlos-Francisco Méndez-Cruz; Socorro Gama-Castro; Citlalli Mejía-Almonte; Marco-Polo Castillo-Villalba; Luis Muñiz-Rascado; Julio Collado-Vides (Database J. Biol. Databases Curation, 2017)