diachronic

This paper introduces sinhala-ocr-lk-acts-1010, the first publicly available real-world page-level dataset for Sinhala OCR, and fine-tunes three vision language models (DeepSeek-OCR V1, DeepSeek-OCR V2, LightOnOCR-2-1B) using QLoRA. LightOnOCR-2-1B achieves a CER of 1.05%, outperforming both open-source and commercial OCR models, and maintains consistent performance across degraded documents from different time periods.

This paper introduces AthDGC, the first openly licensed dependency-parsed treebank of Greek spanning eight diachronic periods, with verse-level cross-alignment to four ancient Indo-European languages using NLP tools like Stanza, LaBSE, and multilingual-BERT.