From Bytes to Subwords: Challenges of Input Representations in NLP (2026.findings-acl)
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| Challenge: | Traditionally, characters or words have been used, but recently, subwords have become the standard. |
| Approach: | They examine the current use of tokenizers and examine the weaknesses of character normalization . they propose proof of concept alternatives focused on fairness and efficiency . |
| Outcome: | The proposed model is based on a systematic review of current tokenizers and character encodings. |
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