Part 4: Building an AI Medical Information Extractor Agent | Fine-tuning LLM
Process of adapting LLMs for medical information extraction tasks
Advanced Techniques: Fine-Tuning for Medical Data Extraction #
Learning Objectives #
- Understand when and why to fine-tune vs. prompt engineering
- Implement fine-tuning for medical named entity recognition
- Work with medical literature datasets
- Evaluate model performance on healthcare tasks
Fine-Tuning vs. Prompting - When to Use Each? #
- Computational requirements and costs
- Data requirements (how much annotated data do you need?)
- Performance considerations
- Maintenance and updates
Medical Named Entity Recognition Project #
Dataset Introduction:
- Using a subset of PubMed abstracts
- Annotation schemes: drug names, diseases, treatments, dosages
- Data preprocessing for medical text
Interactive Element #
Python Code:
- Base code and step-by-step instructions will be given to students
- Students fine-tune a model on a specific medical extraction task and compare performance with baseline models.
Advanced Data Extraction Tasks #
Briefly share other types of data extraction tasks that are commmonly done in healthcare applications:
- Relationship extraction (drug-disease interactions)
- Extracting clinical trial outcomes
- Identifying contradictory information across papers
- Temporal information extraction (treatment timelines)
Key Considerations for Evaluation and Deployment #
- Evaluation metrics/framework
- Error analysis in healthcare contexts
- Deployment considerations (speed, accuracy, scalability)
- Continuous learning and model updates
- User Trust