Review Article

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

Table 12

The TFM result.

F1F2F3F4F5F6F7F8F9

T01NLPSpeech recognition703673343307452484630
T02NLPNamed entity recognition412484301339852134318217
T03NLPNatural language understanding80950351419517762787249188
T04NLPNatural language generation989724827308348759105378272
T05ModelFeature engineering571377306436372470136299190
T06ModelRecurrent neural network569386613257244332190110161
T07ModelConvolutional neural network31725144628732720814998144
T08ModelTransformer model514422714308452448
T09SystemSpeech-generating device622384792998963
T10SystemCloud computing341422237358213465487452458
T11SystemVoice activity detection309377241283120379780557705
T12SystemHuman-computer interaction685858509512260626803850
T13SystemImmersive technologies307417211272123211439