| | Cluster | Size | Top 10 words and 2-gram phrases |
| | 1 | 20 | Assistant, automate, user, input, language, natural, client, human, computer, processor | | Automate assistant, natural language, automated assistant, virtual assistant, assistant client, automate summarization, human computer, computer dialogue, input corpus, telephone call |
| | 2 | 27 | Engine, language, natural, user, medical, code, processing, billing, generate, clinical | | Natural language, medical billing, billing code, language processing, language understand, patient encounter, clinical patient, free text, question answer, processing engine |
| | 3 | 45 | User, request, response, language, natural, processing, action, query, input, generate | | Natural language, user request, action structure, language processing, language request, response user, speech input, dynamic training, computer readable, request text |
| | 4 | 31 | Word, language, natural, phrase, computer, processing, plurality, sentence, processor, clause | | Natural language, target word, language processing, word clause, word phrase, neural network, input question, numeric code, program instruction, user interface |
| | 5 | 46 | Text, language, natural, processing, user, processor, process, semantic, information, computer | | Natural language, language processing, language text, language understand, text interest, input text, semantic segment, information processing, touch operation, text natural |
| | 6 | 52 | Plurality, language, entity, natural, generate, computer, associate, processing, document, name | | Natural language, name entity, language processing, computer readable, language input, cluster classification, reduced aggregation, flow diagram, machine learn, neural network |
| | 7 | 64 | User, interface, language, NLP, natural, display, input, query, information, computer | | Natural language, user interface, language processing, user input, user query, graphical user, processing NLP, voice apparatus, real time, computer readable |
| | 8 | 30 | speech, user, input, recognition, processing, language, determine, computer, audio, natural | | Natural language, speech recognition, speech processing, language processing, input audio, speech input, computer implement, user profile, language understand, automatic speech |
| | 9 | 52 | Input, user, intent, language, natural, determine, processor, generate, NLU, computer | | Natural language, language input, user input, user intent, voice input, language understand, computer readable, input determine, transitory computer, user interface |
| | 10 | 35 | Communication, user, language, natural, input, interface, voice, computer, processor, call | | Natural language, voice input, language processing, communication interface, input communication, text communication, voice communication, user input, phone call, communication channel |
| | 11 | 27 | Application, user, language, natural, NLU, input, computer, associate, plurality, processor | | Natural language, online application, speech word, user online, language processing, language input, part speech, language understand, dimensional vector, structured natural |
| | 12 | 35 | Information, language, module, natural, user, entity, service, input, generate, obtain | | Natural language, touch screen, language understanding, language understand, language processing, object hovering, understanding module, component process, target conversation, question answer |
| | 13 | 44 | Language, natural, program, processor, structure, computer, instruction, user, analysis, expression | | Natural language, program instruction, language expression, frame structure, language processing, computer readable, language understand, semantic structure, language story, computer program |
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