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ModulesData connectionVector storesIntegrationsFaissOn this pageFaissCompatibilityOnly available on Node.js.Faiss is a library for efficient similarity search and clustering of dense vectors.Langchainjs supports using Faiss as a vectorstore that can be saved to file.
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It also provides the ability to read the saved file from Python's implementation.Setup​Install the faiss-node, which is a Node.js bindings for Faiss.npmYarnpnpmnpm install -S faiss-nodeyarn add faiss-nodepnpm add faiss-nodeTo enable the ability to read the saved file from Python's implementation, the pickleparser also ...
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documentconst resultOne = await vectorStore.similaritySearch("hello world", 1);console.log(resultOne);API Reference:FaissStore from langchain/vectorstores/faissOpenAIEmbeddings from langchain/embeddings/openaiTextLoader from langchain/document_loaders/fs/textMerging indexes and creating new index from another instance​...
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"langchain/vectorstores/faiss";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await FaissStore.fromTexts( ["Hello world", "Bye bye", "hello nice world"], [{ id: 2 }, { id: 1 }, { id: 3 }], new OpenAIEmbeddin...
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It also provides the ability to read the saved file from Python's implementation.Setup​Install the faiss-node, which is a Node.js bindings for Faiss.npmYarnpnpmnpm install -S faiss-nodeyarn add faiss-nodepnpm add faiss-nodeTo enable the ability to read the saved file from Python's implementation, the pickleparser also ...
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documentconst resultOne = await vectorStore.similaritySearch("hello world", 1);console.log(resultOne);API Reference:FaissStore from langchain/vectorstores/faissOpenAIEmbeddings from langchain/embeddings/openaiTextLoader from langchain/document_loaders/fs/textMerging indexes and creating new index from another instance​...
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"langchain/vectorstores/faiss";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await FaissStore.fromTexts( ["Hello world", "Bye bye", "hello nice world"], [{ id: 2 }, { id: 1 }, { id: 3 }], new OpenAIEmbeddin...
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Install the faiss-node, which is a Node.js bindings for Faiss. npmYarnpnpmnpm install -S faiss-nodeyarn add faiss-nodepnpm add faiss-node npm install -S faiss-nodeyarn add faiss-nodepnpm add faiss-node npm install -S faiss-node yarn add faiss-node pnpm add faiss-node To enable the ability to read the saved file f...
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import { FaissStore } from "langchain/vectorstores/faiss";import { OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";// Create docs with a loaderconst loader = new TextLoader("src/document_loaders/example_data/example.txt");const docs = await loader.lo...
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import { FaissStore } from "langchain/vectorstores/faiss";import { OpenAIEmbeddings } from "langchain/embeddings/openai";export const run = async () => { // Create an initial vector store const vectorStore = await FaissStore.fromTexts( ["Hello world", "Bye bye", "hello nice world"], [{ id: 2 }, { id: 1 }, { id:...
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import { FaissStore } from "langchain/vectorstores/faiss";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await FaissStore.fromTexts( ["Hello world", "Bye bye", "hello nice world"], [{ id: 2 }, { id: 1 }, { id...
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Paragraphs: Skip to main content🦜️🔗 LangChainDocsUse casesAPILangSmithPython DocsCTRLKGet startedIntroductionInstallationQuickstartModulesModel I/​OData connectionDocument loadersDocument transformersText embedding modelsVector storesIntegrationsMemoryAnalyticDBChromaElasticsearchFaissHNSWLibLanceDBMilvusMongoDB Atl...
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It uses HNSWLib.Setup​cautionOn Windows, you might need to install Visual Studio first in order to properly build the hnswlib-node package.You can install it withnpmYarnpnpmnpm install hnswlib-nodeyarn add hnswlib-nodepnpm add hnswlib-nodeUsage​Create a new index from texts​import { HNSWLib } from "langchain/vectorstor...
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langchain/document_loaders/fs/textSave an index to a file and load it again​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await HNSWLib.fromTexts( ["He...
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index​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Save the vector store to a directoryconst directory = "your/directory/here";// Load the vector store from the same directoryconst loadedVectorStore = await HNSWLib.load(directory, new OpenAIE...
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It uses HNSWLib.Setup​cautionOn Windows, you might need to install Visual Studio first in order to properly build the hnswlib-node package.You can install it withnpmYarnpnpmnpm install hnswlib-nodeyarn add hnswlib-nodepnpm add hnswlib-nodeUsage​Create a new index from texts​import { HNSWLib } from "langchain/vectorstor...
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langchain/document_loaders/fs/textSave an index to a file and load it again​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await HNSWLib.fromTexts( ["He...
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index​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Save the vector store to a directoryconst directory = "your/directory/here";// Load the vector store from the same directoryconst loadedVectorStore = await HNSWLib.load(directory, new OpenAIE...
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It uses HNSWLib.Setup​cautionOn Windows, you might need to install Visual Studio first in order to properly build the hnswlib-node package.You can install it withnpmYarnpnpmnpm install hnswlib-nodeyarn add hnswlib-nodepnpm add hnswlib-nodeUsage​Create a new index from texts​import { HNSWLib } from "langchain/vectorstor...
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langchain/document_loaders/fs/textSave an index to a file and load it again​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await HNSWLib.fromTexts( ["He...
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index​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Save the vector store to a directoryconst directory = "your/directory/here";// Load the vector store from the same directoryconst loadedVectorStore = await HNSWLib.load(directory, new OpenAIE...
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It uses HNSWLib.Setup​cautionOn Windows, you might need to install Visual Studio first in order to properly build the hnswlib-node package.You can install it withnpmYarnpnpmnpm install hnswlib-nodeyarn add hnswlib-nodepnpm add hnswlib-nodeUsage​Create a new index from texts​import { HNSWLib } from "langchain/vectorstor...
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langchain/document_loaders/fs/textSave an index to a file and load it again​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await HNSWLib.fromTexts( ["He...
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index​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Save the vector store to a directoryconst directory = "your/directory/here";// Load the vector store from the same directoryconst loadedVectorStore = await HNSWLib.load(directory, new OpenAIE...
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It uses HNSWLib.Setup​cautionOn Windows, you might need to install Visual Studio first in order to properly build the hnswlib-node package.You can install it withnpmYarnpnpmnpm install hnswlib-nodeyarn add hnswlib-nodepnpm add hnswlib-nodeUsage​Create a new index from texts​import { HNSWLib } from "langchain/vectorstor...
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langchain/document_loaders/fs/textSave an index to a file and load it again​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Create a vector store through any method, here from texts as an exampleconst vectorStore = await HNSWLib.fromTexts( ["He...
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index​import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// Save the vector store to a directoryconst directory = "your/directory/here";// Load the vector store from the same directoryconst loadedVectorStore = await HNSWLib.load(directory, new OpenAIE...
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API Reference:HNSWLib from langchain/vectorstores/hnswlibOpenAIEmbeddings from langchain/embeddings/openai import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";// Create docs with a loader...
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import { HNSWLib } from "langchain/vectorstores/hnswlib";import { OpenAIEmbeddings } from "langchain/embeddings/openai";const vectorStore = await HNSWLib.fromTexts( ["Hello world", "Bye bye", "hello nice world"], [{ id: 2 }, { id: 1 }, { id: 3 }], new OpenAIEmbeddings());const result = await vectorStore.similaritySe...
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Page Title: LanceDB | 🦜️🔗 Langchain Paragraphs: Skip to main content🦜️🔗 LangChainDocsUse casesAPILangSmithPython DocsCTRLKGet startedIntroductionInstallationQuickstartModulesModel I/​OData connectionDocument loadersDocument transformersText embedding modelsVector storesIntegrationsMemoryAnalyticDBChromaElasticsea...
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It is open source and distributed with an Apache-2.0 license.LanceDB datasets are persisted to disk and can be shared between Node.js and Python.Setup​Install the LanceDB Node.js bindings:npmYarnpnpmnpm install -S vectordbyarn add vectordbpnpm add vectordbUsage​Create a new index from texts​import { LanceDB } from "lan...
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{ OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";import fs from "node:fs/promises";import
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path from "node:path";import os from "node:os";import { connect } from "vectordb";// Create docs with a loaderconst loader = new TextLoader("src/document_loaders/example_data/example.txt");const docs = await loader.load();export const run = async () => { const dir = await fs.mkdtemp(path.join(os.tmpdir(), "lancedb-"))...
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db.openTable("vectors"); const vectorStore = new LanceDB(new OpenAIEmbeddings(), { table }); const resultOne = await vectorStore.similaritySearch("hello world", 1); console.log(resultOne); // [ Document { pageContent: 'Hello world', metadata: { id: 1 } } ]};async function createdTestDb(): Promise<string> { const d...
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Get startedIntroductionInstallationQuickstartModulesModel I/​OData connectionDocument loadersDocument transformersText embedding modelsVector storesIntegrationsMemoryAnalyticDBChromaElasticsearchFaissHNSWLibLanceDBMilvusMongoDB AtlasMyScaleOpenSearchPineconePrismaQdrantRedisSingleStoreSupabaseTigrisTypeORMTypesenseUSea...
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It is open source and distributed with an Apache-2.0 license.LanceDB datasets are persisted to disk and can be shared between Node.js and Python.Setup​Install the LanceDB Node.js bindings:npmYarnpnpmnpm install -S vectordbyarn add vectordbpnpm add vectordbUsage​Create a new index from texts​import { LanceDB } from "lan...
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{ OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";import fs from "node:fs/promises";import
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path from "node:path";import os from "node:os";import { connect } from "vectordb";// Create docs with a loaderconst loader = new TextLoader("src/document_loaders/example_data/example.txt");const docs = await loader.load();export const run = async () => { const dir = await fs.mkdtemp(path.join(os.tmpdir(), "lancedb-"))...
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db.openTable("vectors"); const vectorStore = new LanceDB(new OpenAIEmbeddings(), { table }); const resultOne = await vectorStore.similaritySearch("hello world", 1); console.log(resultOne); // [ Document { pageContent: 'Hello world', metadata: { id: 1 } } ]};async function createdTestDb(): Promise<string> { const d...
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It is open source and distributed with an Apache-2.0 license.LanceDB datasets are persisted to disk and can be shared between Node.js and Python.Setup​Install the LanceDB Node.js bindings:npmYarnpnpmnpm install -S vectordbyarn add vectordbpnpm add vectordbUsage​Create a new index from texts​import { LanceDB } from "lan...
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{ OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";import fs from "node:fs/promises";import
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path from "node:path";import os from "node:os";import { connect } from "vectordb";// Create docs with a loaderconst loader = new TextLoader("src/document_loaders/example_data/example.txt");const docs = await loader.load();export const run = async () => { const dir = await fs.mkdtemp(path.join(os.tmpdir(), "lancedb-"))...
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db.openTable("vectors"); const vectorStore = new LanceDB(new OpenAIEmbeddings(), { table }); const resultOne = await vectorStore.similaritySearch("hello world", 1); console.log(resultOne); // [ Document { pageContent: 'Hello world', metadata: { id: 1 } } ]};async function createdTestDb(): Promise<string> { const d...
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It is open source and distributed with an Apache-2.0 license.LanceDB datasets are persisted to disk and can be shared between Node.js and Python.Setup​Install the LanceDB Node.js bindings:npmYarnpnpmnpm install -S vectordbyarn add vectordbpnpm add vectordbUsage​Create a new index from texts​import { LanceDB } from "lan...
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{ OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";import fs from "node:fs/promises";import
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path from "node:path";import os from "node:os";import { connect } from "vectordb";// Create docs with a loaderconst loader = new TextLoader("src/document_loaders/example_data/example.txt");const docs = await loader.load();export const run = async () => { const dir = await fs.mkdtemp(path.join(os.tmpdir(), "lancedb-"))...
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db.openTable("vectors"); const vectorStore = new LanceDB(new OpenAIEmbeddings(), { table }); const resultOne = await vectorStore.similaritySearch("hello world", 1); console.log(resultOne); // [ Document { pageContent: 'Hello world', metadata: { id: 1 } } ]};async function createdTestDb(): Promise<string> { const d...
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It is open source and distributed with an Apache-2.0 license.LanceDB datasets are persisted to disk and can be shared between Node.js and Python.Setup​Install the LanceDB Node.js bindings:npmYarnpnpmnpm install -S vectordbyarn add vectordbpnpm add vectordbUsage​Create a new index from texts​import { LanceDB } from "lan...
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{ OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";import fs from "node:fs/promises";import
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path from "node:path";import os from "node:os";import { connect } from "vectordb";// Create docs with a loaderconst loader = new TextLoader("src/document_loaders/example_data/example.txt");const docs = await loader.load();export const run = async () => { const dir = await fs.mkdtemp(path.join(os.tmpdir(), "lancedb-"))...
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db.openTable("vectors"); const vectorStore = new LanceDB(new OpenAIEmbeddings(), { table }); const resultOne = await vectorStore.similaritySearch("hello world", 1); console.log(resultOne); // [ Document { pageContent: 'Hello world', metadata: { id: 1 } } ]};async function createdTestDb(): Promise<string> { const d...
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yarn add vectordb pnpm add vectordb import { LanceDB } from "langchain/vectorstores/lancedb";import { OpenAIEmbeddings } from "langchain/embeddings/openai";import { connect } from "vectordb";import * as fs from "node:fs/promises";import * as path from "node:path";import os from "node:os";export const run = async () =...
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import { LanceDB } from "langchain/vectorstores/lancedb";import { OpenAIEmbeddings } from "langchain/embeddings/openai";import { TextLoader } from "langchain/document_loaders/fs/text";import fs from "node:fs/promises";import path from "node:path";import os from "node:os";import { connect } from "vectordb";// Create doc...
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import { LanceDB } from "langchain/vectorstores/lancedb";import { OpenAIEmbeddings } from "langchain/embeddings/openai";import { connect } from "vectordb";import * as fs from "node:fs/promises";import * as path from "node:path";import os from "node:os";//// You can open a LanceDB dataset created elsewhere, such as Lan...
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Paragraphs: Skip to main content🦜️🔗 LangChainDocsUse casesAPILangSmithPython DocsCTRLKGet startedIntroductionInstallationQuickstartModulesModel I/​OData connectionDocument loadersDocument transformersText embedding modelsVector storesIntegrationsMemoryAnalyticDBChromaElasticsearchFaissHNSWLibLanceDBMilvusMongoDB Atl...
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code3.1 OpenAIexport OPENAI_API_KEY=YOUR_OPENAI_API_KEY_HEREexport MILVUS_URL=YOUR_MILVUS_URL_HERE # for example http://localhost:195303.2 Azure OpenAIexport AZURE_OPENAI_API_KEY=YOUR_AZURE_OPENAI_API_KEY_HEREexport AZURE_OPENAI_API_INSTANCE_NAME=YOUR_AZURE_OPENAI_INSTANCE_NAME_HEREexport AZURE_OPENAI_API_DEPLOYMENT_NA...
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", "Tortoise: They say-although I person never believed it myself-that an I\ Majotaur has created a tiny labyrinth sits in a pit in the middle of\ it, waiting innocent victims to get lost in its fears complexity.\ Then, when they wander and dazed into the center, he laughs and\ ...
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Get startedIntroductionInstallationQuickstartModulesModel I/​OData connectionDocument loadersDocument transformersText embedding modelsVector storesIntegrationsMemoryAnalyticDBChromaElasticsearchFaissHNSWLibLanceDBMilvusMongoDB AtlasMyScaleOpenSearchPineconePrismaQdrantRedisSingleStoreSupabaseTigrisTypeORMTypesenseUSea...
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OPENAI_API_KEY=YOUR_OPENAI_API_KEY_HEREexport MILVUS_URL=YOUR_MILVUS_URL_HERE # for example http://localhost:195303.2 Azure OpenAIexport AZURE_OPENAI_API_KEY=YOUR_AZURE_OPENAI_API_KEY_HEREexport AZURE_OPENAI_API_INSTANCE_NAME=YOUR_AZURE_OPENAI_INSTANCE_NAME_HEREexport AZURE_OPENAI_API_DEPLOYMENT_NAME=YOUR_AZURE_OPENAI_...
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", "Tortoise: They say-although I person never believed it myself-that an I\ Majotaur has created a tiny labyrinth sits in a pit in the middle of\ it, waiting innocent victims to get lost in its fears complexity.\ Then, when they wander and dazed into the center, he laughs and\ ...
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ModulesData connectionVector storesIntegrationsMilvusOn this pageMilvusMilvus is a vector database built for embeddings similarity search and AI applications.CompatibilityOnly available on Node.js.Setup​Run Milvus instance with Docker on your computer docsInstall the Milvus Node.js SDK.npmYarnpnpmnpm install -S @zilliz...
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Escher, Bachconst vectorStore = await Milvus.fromTexts( [ "Tortoise: Labyrinth? Labyrinth?
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Could it Are we in the notorious Little\ Harmonic Labyrinth of the dreaded Majotaur? ", "Achilles: Yiikes! What is that? ", "Tortoise: They say-although I person never believed it myself-that an I\ Majotaur has created a tiny labyrinth sits in a pit in the middle of\ it, waiting i...
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ModulesData connectionVector storesIntegrationsMilvusOn this pageMilvusMilvus is a vector database built for embeddings similarity search and AI applications.CompatibilityOnly available on Node.js.Setup​Run Milvus instance with Docker on your computer docsInstall the Milvus Node.js SDK.npmYarnpnpmnpm install -S @zilliz...
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Escher, Bachconst vectorStore = await Milvus.fromTexts( [ "Tortoise: Labyrinth? Labyrinth?
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Could it Are we in the notorious Little\ Harmonic Labyrinth of the dreaded Majotaur? ", "Achilles: Yiikes! What is that? ", "Tortoise: They say-although I person never believed it myself-that an I\ Majotaur has created a tiny labyrinth sits in a pit in the middle of\ it, waiting i...
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MilvusMilvus is a vector database built for embeddings similarity search and AI applications.CompatibilityOnly available on Node.js.Setup​Run Milvus instance with Docker on your computer docsInstall the Milvus Node.js SDK.npmYarnpnpmnpm install -S @zilliz/milvus2-sdk-nodeyarn add @zilliz/milvus2-sdk-nodepnpm add @zilli...
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Could it Are we in the notorious Little\ Harmonic Labyrinth of the dreaded Majotaur? ", "Achilles: Yiikes! What is that? ", "Tortoise: They say-although I person never believed it myself-that an I\ Majotaur has created a tiny labyrinth sits in a pit in the middle of\ it, waiting i...
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Install the Milvus Node.js SDK. npmYarnpnpmnpm install -S @zilliz/milvus2-sdk-nodeyarn add @zilliz/milvus2-sdk-nodepnpm add @zilliz/milvus2-sdk-node npm install -S @zilliz/milvus2-sdk-nodeyarn add @zilliz/milvus2-sdk-nodepnpm add @zilliz/milvus2-sdk-node npm install -S @zilliz/milvus2-sdk-node yarn add @zilliz/milv...
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import { Milvus } from "langchain/vectorstores/milvus";import { OpenAIEmbeddings } from "langchain/embeddings/openai";// text sample from Godel, Escher, Bachconst vectorStore = await Milvus.fromTexts( [ "Tortoise: Labyrinth? Labyrinth? Could it Are we in the notorious Little\ Harmonic Labyrinth of the dr...
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import { Milvus } from "langchain/vectorstores/milvus";import { OpenAIEmbeddings } from "langchain/embeddings/openai";const vectorStore = await Milvus.fromExistingCollection( new OpenAIEmbeddings(), { collectionName: "goldel_escher_bach", });const response = await vectorStore.similaritySearch("scared", 2); Mongo...
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which takes a combination of documents are most similar to the inputs, then reranks and optimizes for diversity.Setup​Installation​First, add the Node MongoDB SDK to your project:npmYarnpnpmnpm install -S mongodbyarn add mongodbpnpm add mongodbInitial Cluster Configuration​Next, you'll need create a MongoDB Atlas clust...
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You should initialize the vector store with field names matching your collection schema as shown below.Finally, proceed to build the index.Usage​Ingestion​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient }...
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Defaults to "embedding" });await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereSearch​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/...
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Defaults to "embedding"});const resultOne = await vectorStore.similaritySearch("Hello world", 1);console.log(resultOne);await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereMaximal marginal relevance​import { MongoDBAtlasVe...
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Defaults to "embedding"});const resultOne = await vectorStore.maxMarginalRelevanceSearch("Hello world", { k: 4, fetchK: 20, // The number of documents to return on initial fetch});console.log(resultOne);// Using MMR in a vector store retrieverconst retriever = await vectorStore.asRetriever({ searchType: "mmr", sear...
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which takes a combination of documents are most similar to the inputs, then reranks and optimizes for diversity.Setup​Installation​First, add the Node MongoDB SDK to your project:npmYarnpnpmnpm install -S mongodbyarn add mongodbpnpm add mongodbInitial Cluster Configuration​Next, you'll need create a MongoDB Atlas clust...
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You should initialize the vector store with field names matching your collection schema as shown below.Finally, proceed to build the index.Usage​Ingestion​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient }...
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Defaults to "embedding" });await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereSearch​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/...
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Defaults to "embedding"});const resultOne = await vectorStore.similaritySearch("Hello world", 1);console.log(resultOne);await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereMaximal marginal relevance​import { MongoDBAtlasVe...
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Defaults to "embedding"});const resultOne = await vectorStore.maxMarginalRelevanceSearch("Hello world", { k: 4, fetchK: 20, // The number of documents to return on initial fetch});console.log(resultOne);// Using MMR in a vector store retrieverconst retriever = await vectorStore.asRetriever({ searchType: "mmr", sear...
4e9727215e95-1481
which takes a combination of documents are most similar to the inputs, then reranks and optimizes for diversity.Setup​Installation​First, add the Node MongoDB SDK to your project:npmYarnpnpmnpm install -S mongodbyarn add mongodbpnpm add mongodbInitial Cluster Configuration​Next, you'll need create a MongoDB Atlas clust...
4e9727215e95-1482
You should initialize the vector store with field names matching your collection schema as shown below.Finally, proceed to build the index.Usage​Ingestion​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient }...
4e9727215e95-1483
Defaults to "embedding" });await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereSearch​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/...
4e9727215e95-1484
Defaults to "embedding"});const resultOne = await vectorStore.similaritySearch("Hello world", 1);console.log(resultOne);await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereMaximal marginal relevance​import { MongoDBAtlasVe...
4e9727215e95-1485
Defaults to "embedding"});const resultOne = await vectorStore.maxMarginalRelevanceSearch("Hello world", { k: 4, fetchK: 20, // The number of documents to return on initial fetch});console.log(resultOne);// Using MMR in a vector store retrieverconst retriever = await vectorStore.asRetriever({ searchType: "mmr", sear...
4e9727215e95-1486
which takes a combination of documents are most similar to the inputs, then reranks and optimizes for diversity.Setup​Installation​First, add the Node MongoDB SDK to your project:npmYarnpnpmnpm install -S mongodbyarn add mongodbpnpm add mongodbInitial Cluster Configuration​Next, you'll need create a MongoDB Atlas clust...
4e9727215e95-1487
You should initialize the vector store with field names matching your collection schema as shown below.Finally, proceed to build the index.Usage​Ingestion​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient }...
4e9727215e95-1488
Defaults to "embedding" });await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereSearch​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/...
4e9727215e95-1489
Defaults to "embedding"});const resultOne = await vectorStore.similaritySearch("Hello world", 1);console.log(resultOne);await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereMaximal marginal relevance​import { MongoDBAtlasVe...
4e9727215e95-1490
Defaults to "embedding"});const resultOne = await vectorStore.maxMarginalRelevanceSearch("Hello world", { k: 4, fetchK: 20, // The number of documents to return on initial fetch});console.log(resultOne);// Using MMR in a vector store retrieverconst retriever = await vectorStore.asRetriever({ searchType: "mmr", sear...
4e9727215e95-1491
which takes a combination of documents are most similar to the inputs, then reranks and optimizes for diversity.Setup​Installation​First, add the Node MongoDB SDK to your project:npmYarnpnpmnpm install -S mongodbyarn add mongodbpnpm add mongodbInitial Cluster Configuration​Next, you'll need create a MongoDB Atlas clust...
4e9727215e95-1492
You should initialize the vector store with field names matching your collection schema as shown below.Finally, proceed to build the index.Usage​Ingestion​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient }...
4e9727215e95-1493
Defaults to "embedding" });await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereSearch​import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/...
4e9727215e95-1494
Defaults to "embedding"});const resultOne = await vectorStore.similaritySearch("Hello world", 1);console.log(resultOne);await client.close();API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohereMaximal marginal relevance​import { MongoDBAtlasVe...
4e9727215e95-1495
Defaults to "embedding"});const resultOne = await vectorStore.maxMarginalRelevanceSearch("Hello world", { k: 4, fetchK: 20, // The number of documents to return on initial fetch});console.log(resultOne);// Using MMR in a vector store retrieverconst retriever = await vectorStore.asRetriever({ searchType: "mmr", sear...
4e9727215e95-1496
{ "mappings": { "fields": { // Default value, should match the name of the field within your collection that contains embeddings "embedding": [ { "dimensions": 1024, "similarity": "euclidean", "type": "knnVector" } ] } }} The dimensions property should ma...
4e9727215e95-1497
API Reference:MongoDBAtlasVectorSearch from langchain/vectorstores/mongodb_atlasCohereEmbeddings from langchain/embeddings/cohere import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient } from "mongodb";const cl...
4e9727215e95-1498
import { MongoDBAtlasVectorSearch } from "langchain/vectorstores/mongodb_atlas";import { CohereEmbeddings } from "langchain/embeddings/cohere";import { MongoClient } from "mongodb";const client = new MongoClient(process.env.MONGODB_ATLAS_URI || "");const namespace = "langchain.test";const [dbName, collectionName] = nam...
4e9727215e95-1499
Page Title: MyScale | 🦜️🔗 Langchain Paragraphs: Skip to main content🦜️🔗 LangChainDocsUse casesAPILangSmithPython DocsCTRLKGet startedIntroductionInstallationQuickstartModulesModel I/​OData connectionDocument loadersDocument transformersText embedding modelsVector storesIntegrationsMemoryAnalyticDBChromaElasticsea...