PDFs are designed for visual fidelity, not text extractability. Common issues include:
For professionals searching , the next step is adopting MMR (Multimodal Retrieval) metrics that evaluate both linguistic and visual fidelity. bleu+pdf+work
To the casual observer, it was just a document. To Elias, a senior computational linguist, it was a corpse. PDFs are designed for visual fidelity, not text
BLEU didn't care. "Send" vs "Transmit." One point off. "Forget" vs "Do not remember." Close enough. The math was satisfied. The work was technically a success. PDFs are designed for visual fidelity