Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt|Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt|Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt|Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt|Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt|Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt|Knowledge Discovery and Bioinformatics group, INESC-ID, Portugal. jpg@kdbio.inesc-id.pt