인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
During the training of medical large language models (LLMs), conventional tokenizers frequently segment domain-specific medical terms into multiple subword tokens, resulting in suboptimal recognition and representation of specialized vocabulary. As a consequence, the model encounters difficulties in effectively acquiring medical domain knowledge during the fine-tuning process. To address this limitation, the present study introduces “clinical tokens”—medical subword units—by augmenting the vocabulary of the original LLaMA2 tokenizer. This adapted tokenizer retains medical terms as whole tokens wherever feasible, thereby enhancing tokenization accuracy and enabling the model to learn and interpret medical knowledge more effectively. For downstream task adaptation, this study employs the Byte Pair Encoding (BPE) algorithm to construct a domain-specific vocabulary and tokenization model, ensuring the inclusion of medical subword units (clinical tokens). We compare the tokenization performance of three variants: the original LLaMA2 tokenizer, the Chinese-LLaMA2 tokenizer (expanded with an extended Chinese vocabulary), and the clinical token-augmented tokenizer. This was followed by fine-tuning the large language models on curated medical datasets. The experimental results indicate that the enhanced tokenizer improves encoding and decoding efficiency, extends the model’s effective context window, and yields superior performance on downstream medical tasks.
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.