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langchain.retrievers.kendra.AdditionalResultAttributeValue¶ class langchain.retrievers.kendra.AdditionalResultAttributeValue[source]¶ Bases: BaseModel Value of an additional result attribute. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.AdditionalResultAttributeValue.html
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deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.AdditionalResultAttributeValue.html
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classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.AdditionalResultAttributeValue.html
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langchain.retrievers.kendra.QueryResultItem¶ class langchain.retrievers.kendra.QueryResultItem[source]¶ Bases: ResultItem Query API result item. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid model. param Addition...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResultItem.html
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Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, update: Optional[DictStrAny...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResultItem.html
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Document attributes dict. get_excerpt() → str[source]¶ Document excerpt or passage original content as retrieved by Kendra. get_title() → str[source]¶ Document title. json(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_al...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResultItem.html
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Converts this item to a Document. classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on fields based on this Model, globalns and localns. classmethod validate(value: Any) → Model¶
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResultItem.html
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langchain.retrievers.self_query.base.SelfQueryRetriever¶ class langchain.retrievers.self_query.base.SelfQueryRetriever[source]¶ Bases: BaseRetriever, BaseModel Retriever that uses a vector store and an LLM to generate the vector store queries. Create a new model by parsing and validating input data from keyword argumen...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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param vectorstore: langchain.schema.vectorstore.VectorStore [Required]¶ The underlying vector store from which documents will be retrieved. param verbose: bool = False¶ async abatch(inputs: List[Input], config: Optional[Union[RunnableConfig, List[RunnableConfig]]] = None, *, return_exceptions: bool = False, **kwargs: O...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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Default implementation of astream, which calls ainvoke. Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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Bind arguments to a Runnable, returning a new Runnable. classmethod construct(_fields_set: Optional[SetStr] = None, **values: Any) → Model¶ Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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Generate a dictionary representation of the model, optionally specifying which fields to include or exclude. classmethod from_llm(llm: BaseLanguageModel, vectorstore: VectorStore, document_contents: str, metadata_field_info: List[AttributeInfo], structured_query_translator: Optional[Visitor] = None, chain_kwargs: Optio...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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classmethod is_lc_serializable() → bool¶ Is this class serializable? json(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, exclude_defa...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ stream(input: Input, config: Optional[RunnableConfig] = None, **kwargs: Optional[Any]) → Iterator[Output]¶ Default implementation of stream, which calls invoke. Subclasses should override t...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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property InputType: Type[langchain.schema.runnable.utils.Input]¶ property OutputType: Type[langchain.schema.runnable.utils.Output]¶ property input_schema: Type[pydantic.main.BaseModel]¶ property lc_attributes: Dict¶ List of attribute names that should be included in the serialized kwargs. These attributes must be accep...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.base.SelfQueryRetriever.html
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langchain.retrievers.re_phraser.RePhraseQueryRetriever¶ class langchain.retrievers.re_phraser.RePhraseQueryRetriever[source]¶ Bases: BaseRetriever Given a query, use an LLM to re-phrase it. Then, retrieve docs for the re-phrased query. Create a new model by parsing and validating input data from keyword arguments. Rais...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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Subclasses should override this method if they can batch more efficiently. async aget_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Asynchronously get documents ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[Sequence[str]] = None, exclude_names: Optional[Sequence[...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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Generate a dictionary representation of the model, optionally specifying which fields to include or exclude. classmethod from_llm(retriever: BaseRetriever, llm: BaseLLM, prompt: PromptTemplate = PromptTemplate(input_variables=['question'], template='You are an assistant tasked with taking a natural language query from ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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Parameters metadata – Optional metadata associated with the retriever. Defaults to None This metadata will be associated with each call to this retriever, and passed as arguments to the handlers defined in callbacks. Returns List of relevant documents invoke(input: str, config: Optional[RunnableConfig] = None) → List[D...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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classmethod parse_obj(obj: Any) → Model¶ classmethod parse_raw(b: Union[str, bytes], *, content_type: unicode = None, encoding: unicode = 'utf8', proto: Protocol = None, allow_pickle: bool = False) → Model¶ classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmet...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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Bind config to a Runnable, returning a new Runnable. with_fallbacks(fallbacks: ~typing.Sequence[~langchain.schema.runnable.base.Runnable[~langchain.schema.runnable.utils.Input, ~langchain.schema.runnable.utils.Output]], *, exceptions_to_handle: ~typing.Tuple[~typing.Type[BaseException], ...] = (<class 'Exception'>,)) →...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.re_phraser.RePhraseQueryRetriever.html
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langchain.retrievers.web_research.SearchQueries¶ class langchain.retrievers.web_research.SearchQueries[source]¶ Bases: BaseModel Search queries to research for the user’s goal. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to fo...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.web_research.SearchQueries.html
ff4d9f146ca6-1
deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.web_research.SearchQueries.html
ff4d9f146ca6-2
classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.web_research.SearchQueries.html
3b4e7b220cd6-0
langchain.retrievers.parent_document_retriever.ParentDocumentRetriever¶ class langchain.retrievers.parent_document_retriever.ParentDocumentRetriever[source]¶ Bases: MultiVectorRetriever Retrieve small chunks then retrieve their parent documents. When splitting documents for retrieval, there are often conflicting desire...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
3b4e7b220cd6-1
docstore=store, child_splitter=child_splitter, parent_splitter=parent_splitter, ) Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid model. param child_splitter: langchain.text_splitter.TextSplitter [Required]...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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The underlying vectorstore to use to store small chunks and their embedding vectors async abatch(inputs: List[Input], config: Optional[Union[RunnableConfig, List[RunnableConfig]]] = None, *, return_exceptions: bool = False, **kwargs: Optional[Any]) → List[Output]¶ Default implementation of abatch, which calls ainvoke N...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
3b4e7b220cd6-3
These tags will be associated with each call to this retriever, and passed as arguments to the handlers defined in callbacks. Parameters metadata – Optional metadata associated with the retriever. Defaults to None This metadata will be associated with each call to this retriever, and passed as arguments to the handlers...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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The jsonpatch ops can be applied in order to construct state. async atransform(input: AsyncIterator[Input], config: Optional[RunnableConfig] = None, **kwargs: Optional[Any]) → AsyncIterator[Output]¶ Default implementation of atransform, which buffers input and calls astream. Subclasses should override this method if th...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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the new model: you should trust this data deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[boo...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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and passed as arguments to the handlers defined in callbacks. Returns List of relevant documents invoke(input: str, config: Optional[RunnableConfig] = None) → List[Document]¶ classmethod is_lc_serializable() → bool¶ Is this class serializable? json(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ stream(input: Input, config: Optional[RunnableConfig] = None, **kwargs: Optional[Any...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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with_retry(*, retry_if_exception_type: ~typing.Tuple[~typing.Type[BaseException], ...] = (<class 'Exception'>,), wait_exponential_jitter: bool = True, stop_after_attempt: int = 3) → Runnable[Input, Output]¶ property InputType: Type[langchain.schema.runnable.utils.Input]¶ property OutputType: Type[langchain.schema.runna...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.parent_document_retriever.ParentDocumentRetriever.html
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langchain.retrievers.self_query.milvus.process_value¶ langchain.retrievers.self_query.milvus.process_value(value: Union[int, float, str]) → str[source]¶
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.self_query.milvus.process_value.html
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langchain.retrievers.kendra.DocumentAttributeValue¶ class langchain.retrievers.kendra.DocumentAttributeValue[source]¶ Bases: BaseModel Value of a document attribute. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.DocumentAttributeValue.html
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deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.DocumentAttributeValue.html
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classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.DocumentAttributeValue.html
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langchain.retrievers.kendra.QueryResult¶ class langchain.retrievers.kendra.QueryResult[source]¶ Bases: BaseModel Amazon Kendra Query API search result. It is composed of: Relevant suggested answers: either a text excerpt or table excerpt. Matching FAQs or questions-answer from your FAQ file. Documents including an exce...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResult.html
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deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResult.html
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classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.QueryResult.html
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langchain.retrievers.kendra.RetrieveResultItem¶ class langchain.retrievers.kendra.RetrieveResultItem[source]¶ Bases: ResultItem Retrieve API result item. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid model. param...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.RetrieveResultItem.html
65dd9bad8e10-1
the new model: you should trust this data deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[boo...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.RetrieveResultItem.html
65dd9bad8e10-2
classmethod parse_file(path: Union[str, Path], *, content_type: unicode = None, encoding: unicode = 'utf8', proto: Protocol = None, allow_pickle: bool = False) → Model¶ classmethod parse_obj(obj: Any) → Model¶ classmethod parse_raw(b: Union[str, bytes], *, content_type: unicode = None, encoding: unicode = 'utf8', proto...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.RetrieveResultItem.html
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langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever¶ class langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever[source]¶ Bases: BaseRetriever Retriever that uses SQLDatabase as Retriever Create a new model by parsing and validating input data from keywo...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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Subclasses should override this method if they can batch more efficiently. async aget_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Asynchronously get documents ...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[Sequence[str]] = None, exclude_names: Optional[Sequence[...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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namespace is [“langchain”, “llms”, “openai”] get_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Retrieve documents relevant to a query. :param query: string to fi...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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classmethod lc_id() → List[str]¶ A unique identifier for this class for serialization purposes. The unique identifier is a list of strings that describes the path to the object. map() → Runnable[List[Input], List[Output]]¶ Return a new Runnable that maps a list of inputs to a list of outputs, by calling invoke() with e...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on fields based on this Model, globalns and localns. classmethod validate(value: Any) → Model¶ with_config(config: Optional[RunnableConfig] = None, **kwargs: Any) → Runnable[Input, Output]¶ Bind config to a Runnable, returning a new Runna...
https://api.python.langchain.com/en/latest/retrievers/langchain_experimental.retrievers.vector_sql_database.VectorSQLDatabaseChainRetriever.html
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langchain.retrievers.zilliz.ZillizRetreiver¶ langchain.retrievers.zilliz.ZillizRetreiver(*args: Any, **kwargs: Any) → ZillizRetriever[source]¶ Deprecated ZillizRetreiver. Please use ZillizRetriever (‘i’ before ‘e’) instead. Parameters *args – **kwargs – Returns ZillizRetriever
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.zilliz.ZillizRetreiver.html
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langchain.retrievers.pinecone_hybrid_search.hash_text¶ langchain.retrievers.pinecone_hybrid_search.hash_text(text: str) → str[source]¶ Hash a text using SHA256. Parameters text – Text to hash. Returns Hashed text.
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pinecone_hybrid_search.hash_text.html
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langchain.retrievers.docarray.SearchType¶ class langchain.retrievers.docarray.SearchType(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)[source]¶ Enumerator of the types of search to perform. similarity = 'similarity'¶ mmr = 'mmr'¶
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.docarray.SearchType.html
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langchain.retrievers.pubmed.PubMedRetriever¶ class langchain.retrievers.pubmed.PubMedRetriever[source]¶ Bases: BaseRetriever, PubMedAPIWrapper PubMed API retriever. It wraps load() to get_relevant_documents(). It uses all PubMedAPIWrapper arguments without any change. Create a new model by parsing and validating input ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
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use case. param top_k_results: int = 3¶ async abatch(inputs: List[Input], config: Optional[Union[RunnableConfig, List[RunnableConfig]]] = None, *, return_exceptions: bool = False, **kwargs: Optional[Any]) → List[Output]¶ Default implementation of abatch, which calls ainvoke N times. Subclasses should override this meth...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
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Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[Sequence[str]] = None, exclude_names: Optional[Sequence[...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
e943123babe9-3
Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
e943123babe9-4
namespace is [“langchain”, “llms”, “openai”] get_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Retrieve documents relevant to a query. :param query: string to fi...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
e943123babe9-5
lazy_load(query: str) → Iterator[dict]¶ Search PubMed for documents matching the query. Return an iterator of dictionaries containing the document metadata. lazy_load_docs(query: str) → Iterator[Document]¶ classmethod lc_id() → List[str]¶ A unique identifier for this class for serialization purposes. The unique identif...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
e943123babe9-6
stream(input: Input, config: Optional[RunnableConfig] = None, **kwargs: Optional[Any]) → Iterator[Output]¶ Default implementation of stream, which calls invoke. Subclasses should override this method if they support streaming output. to_json() → Union[SerializedConstructor, SerializedNotImplemented]¶ to_json_not_implem...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
e943123babe9-7
property OutputType: Type[langchain.schema.runnable.utils.Output]¶ property input_schema: Type[pydantic.main.BaseModel]¶ property lc_attributes: Dict¶ List of attribute names that should be included in the serialized kwargs. These attributes must be accepted by the constructor. property lc_secrets: Dict[str, str]¶ A ma...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.pubmed.PubMedRetriever.html
617d5a489f8e-0
langchain.retrievers.document_compressors.chain_filter.default_get_input¶ langchain.retrievers.document_compressors.chain_filter.default_get_input(query: str, doc: Document) → Dict[str, Any][source]¶ Return the compression chain input.
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.document_compressors.chain_filter.default_get_input.html
fc10f509c4c5-0
langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever¶ class langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever[source]¶ Bases: BaseRetriever Azure Cognitive Search service retriever. Create a new model by parsing and validating input data from keyword arguments. Raises Valida...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
fc10f509c4c5-1
Number of results to retrieve. Set to None to retrieve all results. async abatch(inputs: List[Input], config: Optional[Union[RunnableConfig, List[RunnableConfig]]] = None, *, return_exceptions: bool = False, **kwargs: Optional[Any]) → List[Output]¶ Default implementation of abatch, which calls ainvoke N times. Subclass...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
fc10f509c4c5-2
Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[Sequence[str]] = None, exclude_names: Optional[Sequence[...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
fc10f509c4c5-3
Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
fc10f509c4c5-4
namespace is [“langchain”, “llms”, “openai”] get_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Retrieve documents relevant to a query. :param query: string to fi...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
fc10f509c4c5-5
classmethod lc_id() → List[str]¶ A unique identifier for this class for serialization purposes. The unique identifier is a list of strings that describes the path to the object. map() → Runnable[List[Input], List[Output]]¶ Return a new Runnable that maps a list of inputs to a list of outputs, by calling invoke() with e...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
fc10f509c4c5-6
classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on fields based on this Model, globalns and localns. classmethod validate(value: Any) → Model¶ with_config(config: Optional[RunnableConfig] = None, **kwargs: Any) → Runnable[Input, Output]¶ Bind config to a Runnable, returning a new Runna...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.azure_cognitive_search.AzureCognitiveSearchRetriever.html
f62744e870f3-0
langchain.retrievers.kendra.AdditionalResultAttribute¶ class langchain.retrievers.kendra.AdditionalResultAttribute[source]¶ Bases: BaseModel Additional result attribute. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a va...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.AdditionalResultAttribute.html
f62744e870f3-1
deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.AdditionalResultAttribute.html
f62744e870f3-2
classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.AdditionalResultAttribute.html
d696e9dde330-0
langchain.retrievers.ensemble.EnsembleRetriever¶ class langchain.retrievers.ensemble.EnsembleRetriever[source]¶ Bases: BaseRetriever Retriever that ensembles the multiple retrievers. It uses a rank fusion. Parameters retrievers – A list of retrievers to ensemble. weights – A list of weights corresponding to the retriev...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-1
Default implementation of abatch, which calls ainvoke N times. Subclasses should override this method if they can batch more efficiently. async aget_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None,...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-2
Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[Sequence[str]] = None, exclude_names: Optional[Sequence[...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-3
Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-4
namespace is [“langchain”, “llms”, “openai”] get_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Retrieve documents relevant to a query. :param query: string to fi...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-5
classmethod lc_id() → List[str]¶ A unique identifier for this class for serialization purposes. The unique identifier is a list of strings that describes the path to the object. map() → Runnable[List[Input], List[Output]]¶ Return a new Runnable that maps a list of inputs to a list of outputs, by calling invoke() with e...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-6
to_json_not_implemented() → SerializedNotImplemented¶ transform(input: Iterator[Input], config: Optional[RunnableConfig] = None, **kwargs: Optional[Any]) → Iterator[Output]¶ Default implementation of transform, which buffers input and then calls stream. Subclasses should override this method if they can start producing...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
d696e9dde330-7
with_retry(*, retry_if_exception_type: ~typing.Tuple[~typing.Type[BaseException], ...] = (<class 'Exception'>,), wait_exponential_jitter: bool = True, stop_after_attempt: int = 3) → Runnable[Input, Output]¶ property InputType: Type[langchain.schema.runnable.utils.Input]¶ property OutputType: Type[langchain.schema.runna...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.ensemble.EnsembleRetriever.html
35fde24eaa9e-0
langchain.retrievers.kendra.TextWithHighLights¶ class langchain.retrievers.kendra.TextWithHighLights[source]¶ Bases: BaseModel Text with highlights. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid model. param High...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.TextWithHighLights.html
35fde24eaa9e-1
deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.TextWithHighLights.html
35fde24eaa9e-2
classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.TextWithHighLights.html
1b1be01662e5-0
langchain.retrievers.llama_index.LlamaIndexRetriever¶ class langchain.retrievers.llama_index.LlamaIndexRetriever[source]¶ Bases: BaseRetriever LlamaIndex retriever. It is used for the question-answering with sources over an LlamaIndex data structure. Create a new model by parsing and validating input data from keyword ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
1b1be01662e5-1
Subclasses should override this method if they can batch more efficiently. async aget_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Asynchronously get documents ...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
1b1be01662e5-2
Subclasses should override this method if they support streaming output. async astream_log(input: Any, config: Optional[RunnableConfig] = None, *, include_names: Optional[Sequence[str]] = None, include_types: Optional[Sequence[str]] = None, include_tags: Optional[Sequence[str]] = None, exclude_names: Optional[Sequence[...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
1b1be01662e5-3
Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data. Default values are respected, but no other validation is performed. Behaves as if Config.extra = ‘allow’ was set since it adds all passed values copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
1b1be01662e5-4
namespace is [“langchain”, “llms”, “openai”] get_relevant_documents(query: str, *, callbacks: Callbacks = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, run_name: Optional[str] = None, **kwargs: Any) → List[Document]¶ Retrieve documents relevant to a query. :param query: string to fi...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
1b1be01662e5-5
classmethod lc_id() → List[str]¶ A unique identifier for this class for serialization purposes. The unique identifier is a list of strings that describes the path to the object. map() → Runnable[List[Input], List[Output]]¶ Return a new Runnable that maps a list of inputs to a list of outputs, by calling invoke() with e...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
1b1be01662e5-6
classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on fields based on this Model, globalns and localns. classmethod validate(value: Any) → Model¶ with_config(config: Optional[RunnableConfig] = None, **kwargs: Any) → Runnable[Input, Output]¶ Bind config to a Runnable, returning a new Runna...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.llama_index.LlamaIndexRetriever.html
28a745c9be5f-0
langchain.retrievers.kendra.DocumentAttribute¶ class langchain.retrievers.kendra.DocumentAttribute[source]¶ Bases: BaseModel Document attribute. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid model. param Key: str...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.DocumentAttribute.html
28a745c9be5f-1
deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.DocumentAttribute.html
28a745c9be5f-2
classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.DocumentAttribute.html
4c4035eb5efd-0
langchain.retrievers.kendra.Highlight¶ class langchain.retrievers.kendra.Highlight[source]¶ Bases: BaseModel Information that highlights the key words in the excerpt. Create a new model by parsing and validating input data from keyword arguments. Raises ValidationError if the input data cannot be parsed to form a valid...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.Highlight.html
4c4035eb5efd-1
deep – set to True to make a deep copy of the model Returns new model instance dict(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclude: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, by_alias: bool = False, skip_defaults: Optional[bool] = None, exclude_unset: bool = False, ex...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.Highlight.html
4c4035eb5efd-2
classmethod schema(by_alias: bool = True, ref_template: unicode = '#/definitions/{model}') → DictStrAny¶ classmethod schema_json(*, by_alias: bool = True, ref_template: unicode = '#/definitions/{model}', **dumps_kwargs: Any) → unicode¶ classmethod update_forward_refs(**localns: Any) → None¶ Try to update ForwardRefs on...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.kendra.Highlight.html
401fd9bd7d90-0
langchain.retrievers.google_cloud_enterprise_search.GoogleCloudEnterpriseSearchRetriever¶ class langchain.retrievers.google_cloud_enterprise_search.GoogleCloudEnterpriseSearchRetriever[source]¶ Bases: BaseRetriever Google Cloud Enterprise Search API retriever. For a detailed explanation of the Enterprise Search concept...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.google_cloud_enterprise_search.GoogleCloudEnterpriseSearchRetriever.html
401fd9bd7d90-1
maximum = 1 param metadata: Optional[Dict[str, Any]] = None¶ Optional metadata associated with the retriever. Defaults to None This metadata will be associated with each call to this retriever, and passed as arguments to the handlers defined in callbacks. You can use these to eg identify a specific instance of a retrie...
https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.google_cloud_enterprise_search.GoogleCloudEnterpriseSearchRetriever.html