| Package | Description | 
|---|---|
| com.ibm.watson.natural_language_understanding.v1 | 
 Natural Language Understanding v1. 
 | 
| com.ibm.watson.natural_language_understanding.v1.model | 
| Class and Description | 
|---|
| AnalysisResults
 Results of the analysis, organized by feature. 
 | 
| AnalyzeOptions
 The analyze options. 
 | 
| CategoriesModel
 Categories model. 
 | 
| CategoriesModelList
 List of categories models. 
 | 
| ClassificationsModel
 Classifications model. 
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| CreateCategoriesModelOptions
 The createCategoriesModel options. 
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| CreateClassificationsModelOptions
 The createClassificationsModel options. 
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| CreateSentimentModelOptions
 The createSentimentModel options. 
 | 
| DeleteCategoriesModelOptions
 The deleteCategoriesModel options. 
 | 
| DeleteClassificationsModelOptions
 The deleteClassificationsModel options. 
 | 
| DeleteModelOptions
 The deleteModel options. 
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| DeleteModelResults
 Delete model results. 
 | 
| DeleteSentimentModelOptions
 The deleteSentimentModel options. 
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| GetCategoriesModelOptions
 The getCategoriesModel options. 
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| GetClassificationsModelOptions
 The getClassificationsModel options. 
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| GetSentimentModelOptions
 The getSentimentModel options. 
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| ListCategoriesModelsOptions
 The listCategoriesModels options. 
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| ListClassificationsModelsOptions
 The listClassificationsModels options. 
 | 
| ListClassificationsModelsResponse
 ListClassificationsModelsResponse. 
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| ListModelsOptions
 The listModels options. 
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| ListModelsResults
 Custom models that are available for entities and relations. 
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| ListSentimentModelsOptions
 The listSentimentModels options. 
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| ListSentimentModelsResponse
 ListSentimentModelsResponse. 
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| SentimentModel
 SentimentModel. 
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| UpdateCategoriesModelOptions
 The updateCategoriesModel options. 
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| UpdateClassificationsModelOptions
 The updateClassificationsModel options. 
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| UpdateSentimentModelOptions
 The updateSentimentModel options. 
 | 
| Class and Description | 
|---|
| AnalysisResultsUsage
 API usage information for the request. 
 | 
| AnalyzeOptions
 The analyze options. 
 | 
| AnalyzeOptions.Builder
 Builder. 
 | 
| Author
 The author of the analyzed content. 
 | 
| CategoriesModel
 Categories model. 
 | 
| CategoriesModelList
 List of categories models. 
 | 
| CategoriesOptions
 Returns a five-level taxonomy of the content. 
 | 
| CategoriesOptions.Builder
 Builder. 
 | 
| CategoriesRelevantText
 Relevant text that contributed to the categorization. 
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| CategoriesResult
 A categorization of the analyzed text. 
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| CategoriesResultExplanation
 Information that helps to explain what contributed to the categories result. 
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| ClassificationsModel
 Classifications model. 
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| ClassificationsModelList
 List of classifications models. 
 | 
| ClassificationsOptions
 Returns text classifications for the content. 
 | 
| ClassificationsOptions.Builder
 Builder. 
 | 
| ClassificationsResult
 A classification of the analyzed text. 
 | 
| ConceptsOptions
 Returns high-level concepts in the content. 
 | 
| ConceptsOptions.Builder
 Builder. 
 | 
| ConceptsResult
 The general concepts referenced or alluded to in the analyzed text. 
 | 
| CreateCategoriesModelOptions
 The createCategoriesModel options. 
 | 
| CreateCategoriesModelOptions.Builder
 Builder. 
 | 
| CreateClassificationsModelOptions
 The createClassificationsModel options. 
 | 
| CreateClassificationsModelOptions.Builder
 Builder. 
 | 
| CreateSentimentModelOptions
 The createSentimentModel options. 
 | 
| CreateSentimentModelOptions.Builder
 Builder. 
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| DeleteCategoriesModelOptions
 The deleteCategoriesModel options. 
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| DeleteCategoriesModelOptions.Builder
 Builder. 
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| DeleteClassificationsModelOptions
 The deleteClassificationsModel options. 
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| DeleteClassificationsModelOptions.Builder
 Builder. 
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| DeleteModelOptions
 The deleteModel options. 
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| DeleteModelOptions.Builder
 Builder. 
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| DeleteSentimentModelOptions
 The deleteSentimentModel options. 
 | 
| DeleteSentimentModelOptions.Builder
 Builder. 
 | 
| DisambiguationResult
 Disambiguation information for the entity. 
 | 
| DocumentEmotionResults
 Emotion results for the document as a whole. 
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| DocumentSentimentResults
 DocumentSentimentResults. 
 | 
| EmotionOptions
 Detects anger, disgust, fear, joy, or sadness that is conveyed in the content or by the context
 around target phrases specified in the targets parameter. 
 | 
| EmotionOptions.Builder
 Builder. 
 | 
| EmotionResult
 The detected anger, disgust, fear, joy, or sadness that is conveyed by the content. 
 | 
| EmotionScores
 EmotionScores. 
 | 
| EntitiesOptions
 Identifies people, cities, organizations, and other entities in the content. 
 | 
| EntitiesOptions.Builder
 Builder. 
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| EntitiesResult
 The important people, places, geopolitical entities and other types of entities in your content. 
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| EntityMention
 EntityMention. 
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| Features
 Analysis features and options. 
 | 
| Features.Builder
 Builder. 
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| FeatureSentimentResults
 FeatureSentimentResults. 
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| FeaturesResultsMetadata
 Webpage metadata, such as the author and the title of the page. 
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| Feed
 RSS or ATOM feed found on the webpage. 
 | 
| GetCategoriesModelOptions
 The getCategoriesModel options. 
 | 
| GetCategoriesModelOptions.Builder
 Builder. 
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| GetClassificationsModelOptions
 The getClassificationsModel options. 
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| GetClassificationsModelOptions.Builder
 Builder. 
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| GetSentimentModelOptions
 The getSentimentModel options. 
 | 
| GetSentimentModelOptions.Builder
 Builder. 
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| KeywordsOptions
 Returns important keywords in the content. 
 | 
| KeywordsOptions.Builder
 Builder. 
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| KeywordsResult
 The important keywords in the content, organized by relevance. 
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| Model
 Model. 
 | 
| Notice
 A list of messages describing model training issues when model status is `error`. 
 | 
| RelationArgument
 RelationArgument. 
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| RelationEntity
 An entity that corresponds with an argument in a relation. 
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| RelationsOptions
 Recognizes when two entities are related and identifies the type of relation. 
 | 
| RelationsOptions.Builder
 Builder. 
 | 
| RelationsResult
 The relations between entities found in the content. 
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| SemanticRolesEntity
 SemanticRolesEntity. 
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| SemanticRolesKeyword
 SemanticRolesKeyword. 
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| SemanticRolesOptions
 Parses sentences into subject, action, and object form. 
 | 
| SemanticRolesOptions.Builder
 Builder. 
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| SemanticRolesResult
 The object containing the actions and the objects the actions act upon. 
 | 
| SemanticRolesResultAction
 The extracted action from the sentence. 
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| SemanticRolesResultObject
 The extracted object from the sentence. 
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| SemanticRolesResultSubject
 The extracted subject from the sentence. 
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| SemanticRolesVerb
 SemanticRolesVerb. 
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| SentenceResult
 SentenceResult. 
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| SentimentModel
 SentimentModel. 
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| SentimentOptions
 Analyzes the general sentiment of your content or the sentiment toward specific target phrases. 
 | 
| SentimentOptions.Builder
 Builder. 
 | 
| SentimentResult
 The sentiment of the content. 
 | 
| SummarizationOptions
 (Experimental) Returns a summary of content. 
 | 
| SummarizationOptions.Builder
 Builder. 
 | 
| SyntaxOptions
 Returns tokens and sentences from the input text. 
 | 
| SyntaxOptions.Builder
 Builder. 
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| SyntaxOptionsTokens
 Tokenization options. 
 | 
| SyntaxOptionsTokens.Builder
 Builder. 
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| SyntaxResult
 Tokens and sentences returned from syntax analysis. 
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| TargetedEmotionResults
 Emotion results for a specified target. 
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| TargetedSentimentResults
 TargetedSentimentResults. 
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| TokenResult
 TokenResult. 
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| UpdateCategoriesModelOptions
 The updateCategoriesModel options. 
 | 
| UpdateCategoriesModelOptions.Builder
 Builder. 
 | 
| UpdateClassificationsModelOptions
 The updateClassificationsModel options. 
 | 
| UpdateClassificationsModelOptions.Builder
 Builder. 
 | 
| UpdateSentimentModelOptions
 The updateSentimentModel options. 
 | 
| UpdateSentimentModelOptions.Builder
 Builder. 
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