Evaluation of biodiversity data portals based on requirement analysis - Corrêa, Pedro Luiz Pizzigatti; Batista, André Filipe de Moraes; Silva, Daniel Lins da; Rodrigues, Ronaldo Soares; Frameb, Mike; Morandini, Marcelo; Stanzania, Silvio; Correa, Fernando (Ecological Informatics: an international journal on ecoinformatics and computational ecology, 2018)