CINTIL-USuite is a corpus of Portuguese that is annotated with lemmas, the Universal Part-of-Speech tagset (UPOS) and Universal feature bundles, related to the Universal Dependency framework, and that contains around 1 million annotated tokens.

It is described in this article:

António Branco, João Ricardo Silva, Luís Gomes and João Rodrigues, 2022, "Universal Grammatical Dependencies for Portuguese with CINTIL Data, LX Processing and CLARIN support", In Proceedings, 13th Conference on Language Resources and Evaluation (LREC2022).

which should be used as its canonical citation, and which interested users are referred for detailed information.

The source annotated corpus for CINTIL-USuite corpus was CINTIL (https://hdl.handle.net/21.11129/0000-000B-D33B-5), which was initially manually annotated with a different tagset, as described in:

Barreto, Florbela, António Branco, Eduardo Ferreira, Amália Mendes, Maria Fernanda Nascimento, Filipe Nunes and João Silva, 2012, "Open Resources and Tools for the Shallow Processing of Portuguese: The TagShare Project" , In Proceedings, 5th International Conference on Language Resources and Evaluation (LREC2006), pp.1438-1443.

whose tagset was accurately converted to UPOS and Universal feature bundles with handwritten rules to originate the CINTIL-USuite.

This corpus supports its companion LX-USuite, which can be used here: https://portulanclarin.net/workbench/lx-usuite/ and can be obtained here: https://hdl.handle.net/21.11129/0000-000F-327C-E.

You may also be interested in the following related resources that can also be found in this repository:
CINTIL-Corpus Internacional do Português (https://hdl.handle.net/21.11129/0000-000B-D33B-5),
CINTIL-UPos (https://hdl.handle.net/21.11129/0000-000E-8B30-F),
CINTIL-UDep (https://hdl.handle.net/21.11129/0000-000E-8B2E-3),
CINTIL-DependencyBank (https://hdl.handle.net/21.11129/0000-000B-D31C-8),
CINTIL-DependencyBank PREMIUM (https://hdl.handle.net/21.11129/0000-000B-D378-0),
BDCamões DependencyBank - Part I (https://hdl.handle.net/21.11129/0000-000D-F8AA-C),
and BDCamões DependencyBank - Part II - (https://hdl.handle.net/21.11129/0000-000D-F8A8-E).