Review Article

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

Table 4

Domains, subdomains, and terms.

DomainSubdomainClusterKey words/phrases

NLPCognition3, 13Action, expression, action structure, frame structure, semantic structure, automate summarization
Named entity recognition6Entity, name, name entity
Linguistics (syntactic semantic, morphology)4, 5Part speech, word, phrase, sentence, semantic, plurality, document, clause, expression, target word, word clause, semantic segment, semantic structure, language expression
NLU9, 11, 12NLU, user intent, user request, language understand, language understanding, understanding module
Response3, 12Generate, question answer, response user
Speech recognition8Speech, voice, audio, speech recognition, voice input, speech input, speech processing, input audio, speech word, automatic speech

ModelModel6Engine, machine learn, program, neural network, cluster classification, processing engine, dynamic training, dimensional vector, reduced aggregation

SystemUser interface7, 11Human, display, call, user interface, user input, touch operation, online application, phone call, telephone call, user online, graphical user, real time, human computer, touch screen, object hovering
Medium9Computer, voice apparatus, computer readable, voice input, transitory computer,
channel, communication10Communication, communication channel, communication interface, text communication, voice communication

Applied scenariosPersonal1Service, assistant, automate, client, automated assistant, virtual assistant, assistant client
Medical2Medical, billing, clinical, medical billing, billing code, patient encounter, clinical patient

SkipSkipAllUser, NLP, natural, language, interface, computer, analysis, query, recognition, process, processor, processing, structure, program, code, application, request, response, input, obtain, associate, service, instruction natural language, language processing, processing NLP, language input, input text, text interest, flow diagram, language text, determine, computer program, language input, information, input determine, input corpus, computer dialogue, free text, user query, language input, language request, input question, text natural, module, user input, user profile, component process, language story, structured natural, program instruction, frame structure, information processing, numeric code, computer implement