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

<table class="table-group" id="tab13"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Search terms</td><td class="align_center" colspan="2">No. of results</td></tr><tr class="thead"><td class="align_center">All</td><td class="align_center">Since 2019</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Chatbot Bi-RNN</td><td class="align_center">30</td><td class="align_center">25</td></tr><tr><td class="align_left">Chatbot BiLSTM</td><td class="align_center">422</td><td class="align_center">347</td></tr><tr><td class="align_left">Chatbot BERT</td><td class="align_center">1,290</td><td class="align_center">1,150</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Bidirectional related article number.</div>

Complexity

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Table 13: Emerging Technologies of Natural Language-Enabled Chatbots: A Review and Trend Forecast Using Intelligent Ontology Extraction and Patent Analytics 

Table 13 | Emerging Technologies of Natural Language-Enabled Chatbots: A Review and Trend Forecast Using Intelligent Ontology Extraction and Patent Analytics 