Structured Data Extraction

Extracting structured data from unstructured text is one of the most valuable AI applications. Transform messy input into clean, usable data.

What is Data Extraction?

Extraction Strategies

1. Define Fields First

Tell the AI exactly what to look for:

2. Provide Schema

Give structure for the output:

3. Handle Missing Data

Specify behavior for absent information:

Exercise: Extract Multiple Entities

Extraction Patterns

Simple Key-Value

Lists and Arrays

Nested Objects

Relationships

Handling Ambiguity

Exercise: Invoice Data Extraction

Normalization

Transform extracted data into consistent formats:

Quality Indicators

Add confidence or source tracking:

Practice: Resume Extraction

Structured data extraction turns AI into a powerful parsing tool for any text format.