General Ground Truth dataset for Spanish 19th typewritten OCR (XML-ALTO) The archives come from the events of the Occupation of Araucania (1850-1881) in Chile. They are archived in the 'Colección manuscritos' of the Archivo Central Andres Bello - Universidad de Chile. Thereby, it is not possible to publicly distribute the images (.jpg) To use them for segmentation/recognition model training, please contact me : archivo.central@uchile.cl Methodology Transcription rules : - xxx for blurred or unreadable characters - ^+letters for superscript letters - ⁋ for new paragraph Using the Kraken OCR engine in finetuning with the Menu_MacFrench template. A template uses the NFKD method. Segmonto ontology Evaluation Name Quantity (GT) Val_acc Test_acc CER WER HTR-Araucania_XIX 180 0,90354 0,8673 0,05598 0.21423 HTR-Araucania_XIX_NFKD 180 0,89872 0,8563 0,06646 0.24963 Others JSONL file for NER annotation in ner/ (MISC, LOC, PERS, ORG, DATE)