Introduction to search based LFs
Writing a labeling function (LF)
Custom labeling function builders
In Snorkel Flow, labeling functions (LFs) play a key role in programmatically labeling data. When predefined LF builders do not meet your specific needs, you ca...
External resource LF builders
This article describes the set of external resource LF builders that are available for classification and information extraction applications.
Numerical LF builders
This article describes the set of numeric labeling function (LF) builders that are available for classification and information extraction applications.
Other search LF builders
This page describes the set of other search based LF builders that are available for classification and information extraction applications.
Pattern based LF builders
This page describes the basic set of pattern based LF builders that are available for classification applications.
Rich document LF builders
If your application utilizes rich document structure (see the Extraction from PDFs: Extracting balance sheet amounts tutorial), the following LF builders are av...
Word LF builders
This is a beta feature available to customers using a Snorkel-hosted instance of Snorkel Flow. Beta features may have known gaps or bugs, but are functional wor...
Sequence LF builders
This article describes the set of builders that are available for sequence tagging applications (see the Sequence tagging: Extracting companies in financial new...
Span based LF builders
This article describes the basic set of span based LF builders that are available for text extraction applications. They include all builders for classification...