Glossary of Key Terms

Essential terminology for TAR practitioners

Term	Definition
Active Learning	Algorithm selects documents for human review based on uncertainty
Seed Set	Initial documents coded to train the model
Training Round	Iteration of review + model update
Control Set	Pre-coded documents used to validate model accuracy
Elusion Test	Statistical sample of unreviewed documents to estimate error
SVM	Support Vector Machine — common TAR algorithm
CAL	Continuous Active Learning — industry-standard TAR approach