---
id: "claim:verifying-llm-extracted-text-with-token-alignment-2026-02-10-biorxiv:8d016d1e5ff2aaf9af8b"
kind: "claim"
title: "General-domain tokenizers do not reliably capture gene names and chemical identifiers."
description: ""
url: "https://sina.bio/claim/general-domain-tokenizers-do-not-reliably-capture-gene-names-and-chemic-3d597e68"
---

# General-domain tokenizers do not reliably capture gene names and chemical identifiers.

## Content

General-domain tokenizers do not reliably capture gene names and chemical identifiers.

## Metadata

```json
{
  "claim_position": 94,
  "source_publication_id": "version:verifying-llm-extracted-text-with-token-alignment--2026-02-10-biorxiv",
  "source_work_id": "work:verifying-llm-extracted-text-with-token-alignment"
}
```

## Connections (3)

### Verifying LLM-extracted text with token alignment

- ID: `version:verifying-llm-extracted-text-with-token-alignment--2026-02-10-biorxiv`
- Kind: `publication`
- Direction: `incoming`
- URL: <https://sina.bio/publication/verifying-llm-extracted-text-with-token-alignment>

This publication contains this grounded claim.

> The slightly reduced alignment on BIO-BOAT likely reflects the complexity of biomedical vocabulary, where gene names and chemical identifiers are often split incon- sistently and therefore cannot be reliably captured by a tokenizer trained on general-domain text.

Source: 2026-02-10-biorxiv.pdf — <https://sina.bio/source/2026-02-10-biorxiv-pdf>

### Higher alignment recall can reduce specificity, particularly for complex biomedical terminology, motivating domain-speci

- ID: `result:verifying-llm-extracted-text-with-token-alignment-2026-02-10-biorxiv:8bfa98ff193505765f03`
- Kind: `result`
- Direction: `incoming`
- URL: <https://sina.bio/result/higher-alignment-recall-can-reduce-specificity-particularly-for-complex-fc8214ab>

This claim supports this result.

### On biomedical BIO-BOAT targets, subword tokenization recovers about 89% of non-contiguous phrases versus 45-46% for word

- ID: `result:verifying-llm-extracted-text-with-token-alignment-2026-02-10-biorxiv:21582eadcfbee0c2803d`
- Kind: `result`
- Direction: `incoming`
- URL: <https://sina.bio/result/on-biomedical-bio-boat-targets-subword-tokenization-recovers-about-89-o-1e384b09>

This claim supports this result.
