PPORTAL_ner: An Annotated Corpus of Portuguese Literary Entities

PPORTAL_ner

An Annotated Dataset of Portuguese Literary Entities

The corpus is tailored to Brazilian and Portuguese literary texts, containing annotations for five entity categories, including PER, LOC, GPE, ORG, and DATE. Within a diverse collection of 25 literary works, it offers a total of 125,059 tokens and 5,266 annotated entities. This dataset contributes to the development of potentially more accurate and context-aware NER models, as well as to encourage further exploration within Portuguese literature.

Corpus Statistics

Our corpus is sourced from PPORTAL, an extensive repository of metadata containing over 80,000 public domain literary works in the Portuguese language, predominantly derived from Brazil and Portugal. PPORTAL aggregates data from three digital libraries: Domínio Público, Projecto Adamastor, and Biblioteca Digital de Literatura dos Países Lusófonos (BLPL).

To simplify referencing, this new dataset is called PPORTAL_ner. PPORTAL_ner selection process contains a diverse range of 25 individual literary works, spanning different authors and literary styles. All of these texts were published prior to 1953, adhering to the current criteria for public domain status in Brazil, with the majority falling within the timeframe spanning from 1554 to 1938.