Annotation and initial evaluation of a large annotated German oncological corpus.

ABSTRACT:

Objective

We present the Berlin-Tübingen-Oncology corpus (BRONCO), a large and freely available corpus of shuffled sentences from German oncological discharge summaries annotated with diagnosis, treatments, medications, and further attributes including negation and speculation. The aim of BRONCO is to foster reproducible and openly available research on Information Extraction from German medical texts.

Materials and methods

BRONCO consists of 200 manually deidentified discharge summaries of cancer patients. Annotation followed a structured and quality-controlled process involving 2 groups of medical experts to ensure consistency, comprehensiveness, and high quality of annotations. We present results of several state-of-the-art techniques for different IE tasks as baselines f

SUBMITTER: Kittner M 

PROVIDER: S-EPMC8054032 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature