Definition
Document classification is a fundamental natural language processing task where algorithms assign labels to unstructured text data. It involves extracting features from documents and mapping them to specific categories such as spam detection, sentiment analysis, or topic labeling. This technique enables automated organization and retrieval of information, significantly reducing manual effort in managing large volumes of textual data across various industries.
Summary
The process of categorizing text documents into predefined groups based on their content.
Key Concepts
- Text Preprocessing
- Feature Extraction
- Supervised Learning
- Labeling
Use Cases
- Spam filtering in email services
- Automated news tagging
- Legal document categorization