Emerging Technologies of Natural Language-Enabled Chatbots: A Review and Trend Forecast Using Intelligent Ontology Extraction and Patent Analytics

Table 11

TFM functions.

ID	Function
F1	Information extraction
F2	Dialogue management
F3	Context
F4	Recommendation system
F5	Algorithm efficiency
F6	Automated control
F7	Communication
F8	User experience
F9	Virtual assistant