Complexity

Review Article

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

Table 1

Comparison for studies related to patent and technology mining techniques.
PartTaskMethodProposed framework[18][24][25][26][27][28][29][30][31][32][33][34][35][37][39][40][41]
PreprocessingData processingText preprocessing✓ ✓✓ ✓✓✓✓       ✓✓
ProcessingKey term extractionTF/TF-IDF✓ ✓✓✓ ✓✓✓✓✓  ✓✓  ✓
Skip-gram✓       ✓✓ ✓      
Patent management mapYearly trend✓✓     ✓          
Assignee✓      ✓          
CPC/IPC✓✓            ✓ ✓ 
PostprocessingText-mining-based approachClustering✓✓ ✓✓    ✓✓       
Topic modeling✓ ✓✓  ✓✓✓         
Classification  ✓   ✓  ✓ ✓✓✓✓ ✓ 
Visualized approachSemantic tree analysis        ✓         
Node-relation graph✓ ✓✓✓             
TFM✓             ✓✓✓✓
PurposePrior art patent search        ✓          
Classification      ✓  ✓✓✓✓   ✓  
Ontology construction✓ ✓✓✓✓             
Finding emerging technologies✓✓     ✓     ✓✓  ✓