Langchain chroma similarity search example github.

Langchain chroma similarity search example github example (Dict[str, str]) – A dictionary with keys as input variables and values as their values. Overview Integration Oct 14, 2023 · search_type: This parameter determines the type of search to use over the vectorstore. embeddings import AzureOpenAIEmbeddings from langchain. vectorstore_cls_kwargs: optional kwargs containing url for vector store Returns: The vectorstore_kwargs (Optional[dict]) – Extra arguments passed to similarity_search function of the vectorstore. Based on the context provided, the similarity_score_threshold parameter in LangChain is used to filter out results that have a similarity score below the specified threshold. vectorstores import Chroma from langchain. Apr 16, 2024 · Checked other resources I added a very descriptive title to this question. Thank you for bringing this issue to our attention and providing a solution! Your proposed fix looks great. Apr 22, 2025 · Explore how Langchain enhances similarity search using Chroma for efficient data retrieval and analysis. vectorstores import Chroma. I see you've encountered another interesting challenge. I just create a very simple case to reproduce as below. Lower score represents more similarity. filter (Optional[Dict[str, str]]) – Filter by metadata. May 11, 2023 · I'm helping the LangChain team manage their backlog and am marking this issue as stale. vectorstore_cls_kwargs ( Any ) – optional kwargs containing url for vector store Returns : Sep 25, 2024 · Checked other resources I added a very descriptive title to this issue. # The VectorStore class that is used to store the embeddings and do a similarity search over. The Chroma. I'm running into an issue when trying to run the chromadb example using Python. indexs. Let's crack this one together! Based on the code you've shared and the context provided, it seems like the similarity_search function in the Chroma vectorstore is returning multiple identical documents because each page of your document is being treated as a separate text entry for Oct 10, 2023 · Hi, @lmz0506, I'm helping the LangChain team manage their backlog and am marking this issue as stale. Nov 3, 2023 · from langchain_chroma import Chroma import chromadb from chromadb. Based on the information you've provided and the existing issues in the LangChain repository, it seems that the similarity_search() function in the langchain. This guide provides a quick overview for getting started with Chroma vector stores. I used the GitHub search to find a similar question and Oct 10, 2023 · I want to get the ids of the document returned when performing similarity_search() or similarity_search_with_score(). RecordManager, another one is langchain_community. - grumpyp/chroma-langchain-tutorial I searched the LangChain documentation with the integrated search. It also includes supporting code for evaluation and parameter tuning. To set up ChromaDB for LangChain similarity search, begin by installing the necessary package. The options are similarity or mmr (Maximal Marginal Relevance). Parameters. RecordManager. I'm working with LangChain's Chroma VectorStore and I'm trying to filter documents based on a list of document names. Feb 27, 2024 · I searched the LangChain documentation with the integrated search. I used the GitHub search to find a similar question and Initialize with a Chroma client. Jan 25, 2024 · Based on the context provided, it seems like you're trying to use a method from_texts that doesn't exist in the Chroma class of the langchain_community. k = 1,) similar_prompt Nov 21, 2024 · I searched the LangChain documentation with the integrated search. Hi @RedNoseJJN, Great to see you back! Hope you're doing well. graph import START, StateGraph from typing_extensions import TypedDict # Assuming that you May 22, 2023 · from langchain. OpenAIEmbeddings (), # The VectorStore class that is used to store the embeddings and do a similarity search over. In the langchain-chroma==0. We print or use the filtered results as needed. text_splitter Dec 26, 2023 · Let's make your experience with LangChain smooth and enjoyable together! To implement a method to search the most similar chunks within a multi-turn chat in the vector store, you can use the similarity_search_by_vector or similarity_search_by_vector_with_relevance_scores methods provided by the Chroma class in the langchain. The similarity search type will return the documents that are most similar to the query, while the mmr search type will return a diverse set of documents that are all relevant to the query How to pass the similarity score threshold and # of documents to return # This example first loads the Chroma db with the PDF content - Execute this only once(see somment below) # Then it retrieves the relevant documents Mar 1, 2025 · For those who have integrated the ChromaDB client with the Langchain framework, I am proposing the following approach to implement the Hybrid search (Vector Search + BM25Retriever): from langchain_chroma import Chroma import chromadb from chromadb. Looks like it always use all vectores to do the similarity search. This parameter is designed to allow you to refine your search results based on specific metadata fields. metrics. According to the documentation, the first one should return a cosine distance in float. May 22, 2024 · Checked other resources I added a very descriptive title to this issue. k (int) – Number of results to return. similarity_search(query,k=4) how can i use this k value using vectorstoreindexcreator? vectorstore=<langchain. base. These APIs form the foundation for combining LangChain's capabilities in general, enabling you to work with embeddings and perform efficient similarity searches within your applications. Querying works as expected. Mar 19, 2023 · While I am trying to rebuild chat_pdf based on mayo's example. because langchain_chroma. I have also been trying to do the same, now i understood how to do it. The definition of two record manager is almost the same, But the index api uses RecordManager which is specifically langchain_core. If it is True, which it is by default, we iteratively lower `k` (until it is 1) until we can find `k` documents from the Chroma vectorstore. get_random_word()) results = [Document(page_content=doc. similarity_search_by_vector(): It retrieves documents that are most similar to a given embedding. What I want to do is look up messages with these filters, but then also save the current message with it's own metadata (eg. This function then passes the filters parameter to the search() method of the SearchClient object from the Azure SDK. My goal is to pre-filter in multiple ways. Used to embed texts. Defaults May 6, 2025 · This example demonstrates how to use the Chroma vector store with LangChain and Ollama to perform similarity searches on a collection of city data. from_documents(docs, embeddings) and Chroma. This parameter is an optional dictionary where the keys and values represent metadata fields and their respective values. strip()) for doc in results] vectordb Jul 21, 2023 · System Info LangChain version: '0. embeddings import LlamaCppEmbeddings from langchain. Jun 14, 2023 · from langchain. ). Then we use LangChain's Retriever to perform a similarity search to facilitate retrieval from Chroma. My attempt at implementing retreival augmented generation on Ollama and other LLM services using chromadb and langchain while also providing an easy to understand, clean code for others since nobod Jul 7, 2023 · Hi, @NicoWeio I'm helping the LangChain team manage their backlog and am marking this issue as stale. I commit to help with one of those options 👆; Example Code Dec 9, 2024 · Extra arguments passed to similarity_search function of the vectorstore. How's everything going on your end? Based on the context provided, it appears that the max_marginal_relevance_search_with_score method is not defined in the Chroma database in LangChain version 0. FAISS, # The number of examples to produce. I am sure that this is a bug in LangChain rather than my code. Back at it with another intriguing puzzle, I see. I searched the LangChain documentation with the integrated search. Feb 26, 2024 · 🤖. similarity_search_by_vector``` doesn't take this parameter in Aug 8, 2023 · To utilize the documents_with_metadata retrieved from the Chroma DB in the query process of your LangChain application using the RetrievalQA chain with ChromaDB, you can use the filter parameter of the similarity_search or max_marginal_relevance_search methods of the VectorStore class. embedding_function (Optional[]) – Embedding class object. The id should be present in the metadata = {"id": id} Motivation. delete method, which can lead to unexpected behavior when additional arguments are required. cosine_similarity# langchain_chroma. ipynb <-- Example of using LangChain question-answering module to perform similarity search from the Chroma vector database and use the Llama 2 model to summarize the result. cosine_similarity (X: List [List [float]] | List [ndarray] | ndarray, Y: List [List [float]] | List [ndarray May 21, 2024 · Description. vectorstores. I commit to help with one of those options 👆; Example Code Nov 26, 2023 · In the context of LangChain, the SelfQueryRetriever uses a similarity search by default (search_type: str = "similarity"), which is a type of vector-based search. retrievers import SVMRetriever embeddings = LlamaCppEmbeddings(model_path="ggml-model-q4_0. This allows you to filter the documents by metadata during Nov 18, 2023 · The similarity_search, similarity_search_with_score, _raw_similarity_search_with_score, and max_marginal_relevance_search methods in the OpenSearchVectorSearch class could be used to implement hybrid search features. I searched the LangChain. document_loaders import TextLoader from langchain. Jun 8, 2024 · In this example: We initialize the Chroma vector store with the OpenAIEmbeddings. May 21, 2024 · Description. Example Code May 8, 2024 · Checked other resources I added a very descriptive title to this question. k = 2,) similar_prompt = FewShotPromptTemplate (# We provide an ExampleSelector instead of examples. # Query/search 2 most similar A small example: If you search your photos for Jan 4, 2024 · from langchain import PromptTemplate from langchain_core. Jul 28, 2024 · Checked other resources I added a very descriptive title to this question. message IDs, userIDs, etc. runnables import RunnablePassthrough from langchain. similarity_search_with_relevance_scores(): Apr 5, 2023 · However splitting documents and doing similarity search is easy and precise with Langchain chroma vectorstore. I am sure that this is a b Adjust the similarity_search Method: Modify this method to include PACKAGE_NAME in your search criteria, ensuring that it matches exactly, while using the METHOD_NAME for similarity search. It appears you've encountered a new challenge with LangChain. Finally, we're using the LCEL Runnable protocol to chain together user input, similarity search, prompt construction, passing the prompt to ChatGPT, and Jun 28, 2024 · Checked other resources I added a very descriptive title to this question. env. g. - Issue: The "lambda_mult" typo is related to #4861 - Maintainer: @rlancemartin, @eyurtsev Mar 12, 2023 · Fixed two small bugs (as reported in issue langchain-ai#1619) in the filtering by metadata for `chroma` databases : - ```langchain. I used the GitHub search to find a similar question and Aug 2, 2023 · @Cdaprod Wow, This is very helpful . It contains algorithms that search in sets of vectors of any size, up to ones that possibly do not fit in RAM. Dec 9, 2024 · similarity_search (query: str, k: int = 4, filter: Optional [Dict [str, str]] = None, ** kwargs: Any) → List [Document] [source] ¶ Run similarity search with Chroma. Apr 3, 2023 · 2nd FAISS. There's other methods like "get" that Description. Feb 28, 2024 · Checked other resources I added a very descriptive title to this issue. , you only want to search for examples that have a similar query to the one the user provides), you can pass an inputKeys array in the Mar 3, 2024 · Hey there @raghuldeva!Good to see you diving into another interesting challenge with LangChain. similarity_search(query) Receiving the following error: File "pydantic/main. I used the GitHub search to find a similar question and Mar 23, 2023 · On Fri, Jul 12, 2024 at 5:57 AM Mathieu Bastian ***@***. By converting raw data—such as text, images, and audio—into embeddings through an embedding model, we can store these representations in a vector database like Chroma. Doing some digging i found out that, with the same code but swapping just the embedding class from legacy to new, the submitted api to Ollama's /api/embed is different: consume_chroma. Jan 2, 2024 · Based on the information you provided and the context from the LangChain repository, it seems that the filter parameter in the similarity_search_with_relevance_scores method of the Chroma class in LangChain's framework is designed to handle a single filter condition. Mar 19, 2023 · If `find_highest_possible_k` is False, we return that private function, retaining previous behavior. I am sure that this is a b Apr 28, 2024 · Disclaimer: I am new to blogging. Chroma class might not be providing the expected results due to the way it calculates similarity between the query and the documents in the vector store. pairwise import cosine_similarity import numpy as np # Initialize the embeddings model embeddings_model = OpenAIEmbeddings () # Example documents and their embeddings documents = [ "Document 1 content", "Document 2 content", "Document 3 content"] document_embeddings May 17, 2023 · - Description: Adding to Chroma integration the option to run a similarity search by a vector with relevance scores. See below for examples of each integrated with LangChain. examples, # The embedding class used to produce embeddings which are used to measure semantic similarity. Feb 10, 2024 · Regarding the similarity_search_with_score function in the Chroma class of LangChain, it handles filtering through the filter parameter. # The list of examples available to select from. Chroma, # The number of examples to produce. I am sure that this is a b The project involves using the Wikipedia API to retrieve current content on a topic, and then using LangChain, OpenAI and Chroma to ask and answer questions about it. embeddings import OpenAIEmbeddings import json from langchain. May 13, 2024 · Checked other resources I added a very descriptive title to this issue. similarity_search_with_score ( "Will it be hot tomorrow?" , k = 1 , filter = { "source" : "news" } Jul 13, 2023 · It has two methods for running similarity search with scores. Steps to reproduce. Despite additional context provided by AndreaArmx, the problem still persists. EUCLIDEAN_DISTANCE, resulting in Euclidean distances instead of similarity scores between 0 and 1. And i have been working on this LLM QA with this Similar documents result : Aug 11, 2024 · from langchain. In this example, we are going to use Vector-similarity search. Let's see what we can do about it. However, it is strongly advised that the optimal method and parameters are found experimentally to tailor the system to your domain and use case. from_documents(documents=splits, embedding=OpenAIEmbeddings()) is correct as expected. deeplake module so that the scores are correctly assigned to each document in both cases, you need to ensure that the return_score parameter is set to True when calling the _search method within the similarity_search_with_score function. I have a relatively low number (few hundreds) and similar documents and I was getting pretty weird results. vectorstore. example_keys: If provided, keys to filter examples to. This integration allows you to leverage Chroma as a vector store, which is essential for efficient semantic search and example selection. vectorstores module. Here is the code link. document_loaders. similarity_search_with_relevance_scores() finally calls db. graph import START, StateGraph from typing_extensions import TypedDict # Assuming that you Nov 29, 2023 · 🤖. Contribute to chroma-core/chroma development by creating an account on GitHub. copy('. Mar 10, 2012 · 🤖. Aug 22, 2024 · I found that there are two "RecordManager", one is langchain_core. in-memory - in a python script or jupyter notebook; in-memory with persistance - in a script or notebook and save/load to disk Mar 28, 2023 · I need to supply a 'where' value to filter on metadata to Chromadb similarity_search_with_score function. In both cases, those all works. Based on the information you've provided and the context from the LangChain repository, it seems like the issue might be related to the implementation of the get_relevant_documents method in the ParentDocumentRetriever class. If you only want to embed specific keys (e. I couldn't find better alternatives without creating a vector store. Chroma is a AI-native open-source vector database focused on developer productivity and happiness. Hello, Thank you for reaching out and providing a detailed description of the issue you're facing. schema import HumanMessage, SystemMessage, Document from random_word import RandomWords r = RandomWords() embeddings = OpenAIEmbeddings() results = [] for i in range(361): results. config import Settings from langchain_openai import OpenAIEmbeddings from langchain_community. This means it retrieves documents based on the cosine similarity between the query vector and the document vectors in the vector store. For detailed documentation of all Chroma features and configurations head to the API reference. I noticed that vector store with pinecone doesn't respond with similar docs when it performs similarity_search function. Hello again @MaximeCarriere!Good to see you back. Hello again, @XariZaru!Good to see you're pushing the boundaries with LangChain. Facebook AI Similarity Search (FAISS) is a library for efficient similarity search and clustering of dense vectors. You then run `. Jul 9, 2023 · Answer generated by a 🤖. similarity_search_with_score(), which has the following description: Run similarity search with Chroma with distance. 287, the issue exists too. Smaller the better. vectorstores is maintained regularly. This method returns the documents most similar to the query along with their similarity scores. From what I understand, you reported an issue with the similarity_search_with_relevance_scores function in ChromaDB returning incorrect values, and there were discussions about potential fixes and related issues with Redis code. Setting hnsw:search_ef : 100 actually solved it for me. similarity_search_with_score``` - ```langchain. vectorstore_kwargs: Extra arguments passed to similarity_search function of the vectorstore. Oct 31, 2023 · In the code I am using excludedIds to filter out certain messages, but it could also be used to scope loops to just those with a specific userId. Mar 3, 2024 · In LangChain, the Chroma class does indeed have a relevance_score_fn parameter in its constructor that allows setting a custom similarity calculation function. The similarity_search method will return documents that match the search query and also satisfy the filter condition. similarity_search Jun 14, 2024 · To get the similarity scores between a query and the embeddings when using the Retriever in your RAG approach, you can use the similarity_search_with_score method provided by the Chroma class in the LangChain library. Sign in Jan 22, 2024 · Checked other resources I added a very descriptive title to this issue. I test it against other vector provider like faiss and chroma. embeddings import OpenAIEmbeddings from sklearn. """ try: # Use Chroma's similarity_search method: results = chroma. All reactions By default, each field in the examples object is concatenated together, embedded, and stored in the vectorstore for later similarity search against user queries. ***> wrote: I'm running into the same issue. If you're looking for a method named similarity_search_with_relevance_scores, it might not be available in the current version of LangChain you're using. Nov 1, 2024 · It seems like the newer version of OllamaEmbeddings have issues with ChromaDB - throws exception. The filter is a dictionary where the keys are the metadata keys and the values are the values to filter by. The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package). from_documents(docs, embeddings) methods. Fixing two minor typos. vectorstores import Chroma llm = AzureChatOpenAI( azure_deployment="ChatGPT-16K", openai_api_version="2023-05-15", azure # The VectorStore class that is used to store the embeddings and do a similarity search over. 🚀. Returns. query (str) – Query text to search for. async aadd_example (example: Dict [str, str]) → str ¶ Async add new example to vectorstore. May 2, 2023 · Chroma or Pinecone Vector databases allow filtering documents by metadata with the filter parameter in the similarity_search function but the similarity_search does not have this parameter. def search_similar_documents (chroma, collection_name, query_text, k = 5): """Search for documents similar to the given query text within the specified collection. May 17, 2023 · - Description: Adding to Chroma integration the option to run a similarity search by a vector with relevance scores. env Apr 24, 2024 · 3) Hybrid search: integrates term-based and vector similarity for more comprehensive results. chroma module. Chroma object at Mar 19, 2024 · Hey there, @Yen444!Great to see you back with another intriguing question. After this, we ask ChatGPT to answer a question given the context retrieved from Chroma. db. And the second one should return a score from 0 to 1, 0 means dissimilar and 1 means similar. from_documents method is used to create a Chroma vectorstore from a list of documents. However, a number of vector store implementations (Astra DB, ElasticSearch, Neo4J, AzureSearch, Qdrant) also support more advanced search combining vector similarity search and other search techniques (full-text, BM25, and so on). Looking into the documentation the only example about filters is using just one filter. Return type. append(r. The behavior of vectorstore = Chroma. environ["OPENAI_API_KEY"] = "" from langchain. It fine upto the following: docs = docsearch. Want to update the metadata of the documents that are returned in the similarity search. Defaults to 4. All feedback is warmly appreciated. So when score_threshold is used in db. If you want to execute a similarity search and receive the corresponding scores you can run: results = vector_store . The program showcases various querying techniques, including basic similarity search, filtering, and score thresholding. Mar 26, 2024 · Hey there, @cnut1648! 🚀 Great to see you back with another intriguing question. Jun 20, 2023 · 0 is dissimilar, 1 is most similar. I have a VectorStore that contains multiple pdfs and associated metadata. May 31, 2024 · Use from langchain_chroma. Parameters:. I commit to help with one of those options 👆; Example Code Jan 2, 2024 · Based on the information you provided and the context from the LangChain repository, it seems that the filter parameter in the similarity_search_with_relevance_scores method of the Chroma class in LangChain's framework is designed to handle a single filter condition. retrievers import EnsembleRetriever from langchain_core. Feb 5, 2024 · Issue with current documentation: below's the code import os os. Jun 13, 2024 · To resolve the issue with the similarity_search_with_score() function from the langchain_community. I used the GitHub search to find a similar question and didn't find it. strip()) for doc in results] vectordb . Jun 14, 2024 · To get the similarity scores between a query and the embeddings when using the Retriever in your RAG approach, you can use the similarity_search_with_score method provided by the Chroma class in the LangChain library. py", l Mar 18, 2024 · Hey @WuYanZhao107, great to see you back here!Hope you're ready to dive into another fun puzzle with LangChain. Jul 21, 2023 · I understand that you're having trouble figuring out what to pass in the filter parameter of the similarity_search function in the LangChain framework. From what I understand, there was an inconsistency in scoring between different Vector Stores like FAISS and Pinecone when using the similarity_search_with_score function. 1. Jul 7, 2024 · In Chroma, a smaller score indicates higher similarity because it uses cosine distance, not cosine similarity. However, I’m not sure how to modify this code to filter documents based on my list of document names. I used the GitHub search to find a similar question and Nov 15, 2023 · The solutions suggested in these issues involve changing the distance metric when creating a collection in Chroma, submitting a pull request with proposed changes to the ClickHouse VectorStore's score_threshold parameter in the similarity_search_with_relevance_scores function, and setting collection_metadata={"hnsw:space": "cosine"} when Jan 6, 2024 · 🤖. chroma. config import Settings from langchain_openai import OpenAIEmbeddings from langchain_community Mar 20, 2024 · Hey @devkan!Great to see you diving into new challenges. These methods support Approximate Search, Script Scoring, and Painless Scripting, which are key components of hybrid search. Answer. Chroma. Commit to Help. So, if there are any mistakes, please do let me know. text_splitter import RecursiveCharacterTextSplitter from langchain. embeddings import HuggingFaceEmbeddings Jan 30, 2024 · from langchain_chroma import Chroma import chromadb from chromadb. similarity_search (query_text, k = k, collection_name = collection_name) return results: except Exception as e: Dec 9, 2024 · Default is 4. I commit to help with one of those options 👆; Example Code Oct 26, 2023 · The filters parameter in the similarity_search() function of the AzureSearch class in LangChain is handled by passing it to the vector_search_with_score() function. c I searched the LangChain documentation with the integrated search. This parameter accepts a function that takes a float (the similarity score) and returns a float (the calculated relevance score). 4 package, the delete method in the Chroma class does not pass the kwargs to the self. indexing. _collection. example', '. Chroma is licensed under Apache 2. Cosine distance is the complement of cosine similarity, meaning that a lower cosine distance score represents a higher similarity between vectors. Hey there, @hiraddlz!Great to see you diving into something new with LangChain. add_example() raise "IndexError" exception due to empty list ids returned Feb 24, 2023 · Hi there, loving the library. python -c "import shutil; shutil. 238' Who can help? SemanticSimilarityExampleSelector(). collection_name (str) – Name of the collection to create. Sep 22, 2023 · This method returns a list of tuples, where each tuple contains a Document object and a relevance score. bin") from langchain. I commit to help with one of those options 👆; Example Code cosine_similarity# langchain_chroma. We encourage you to contribute to LangChain by creating a pull request with your fix. Swapping to the older version continues to work. Jan 26, 2024 · 🤖. The aim of the project is to showcase the powerful embeddings and the endless possibilities. from langchain. Let's dive into this together! Based on the information provided in the LangChain repository, the Chroma class handles the storage of text and associated ids by creating a collection of documents where each document is represented by its text content and optional metadata. 9. This is generally referred to as "Hybrid" search. """ The standard search in LangChain is done by vector similarity. Aug 6, 2024 · I searched the LangChain documentation with the integrated search. The Chroma class has methods for similarity search, document update, and deletion, but there is no method for setting up the vectorstore from texts. embeddings import HuggingFaceEmbeddings, SentenceTransformerEmbeddings from langchain. documents import Document from langgraph. May 22, 2023 · from langchain. The ID of the added example. . From what I understand, you opened this issue regarding abnormal similarity search scores in FAISS, and it seems that the issue was due to the default distance strategy being set to DistanceStrategy. We perform the similarity search using the similarity_search_with_relevance_scores method, passing the score_threshold parameter. How's everything going on your end? Based on the context provided, it seems you want to use the similarity_search_with_score() function within the as_retriever() method, and ensure that the retriever only contains the filtered documents. retrievers import BM25Retriever from langchain. Dec 20, 2024 · Checked other resources I added a very descriptive title to this question. Based on the context provided, it seems there might be a misunderstanding about the usage of the FAISS. similarity_search``` takes a ```filter``` input parameter but do not forward it to ```langchain. js documentation with the integrated search. example_selector = example_selector, example_prompt = example_prompt, prefix = "Give the antonym of every Navigation Menu Toggle navigation. Re-running the same similarity search would show me what I expect 50% of the time. Here's a simplified approach: Chroma runs in various modes. ## Example You create a `Chroma` object from 1 document. input_keys: If provided, the search is based on the input variables instead of all variables. str May 30, 2023 · What happened? The following example uses langchain to successfully load documents into chroma and to successfully persist the data. Special version of Apple Silicon chip for GPU Acceleration (Tested work in MBA M2 2022). vectorstores import Chroma instead of from langchain_community. I can't find a straightforward way to do it. cosine_similarity (X: List [List [float]] | List [ndarray] | ndarray, Y: List [List [float]] | List [ndarray Apr 4, 2025 · Vector search is a powerful technique that leverages embeddings to find similar items efficiently. 0. output_parsers import StrOutputParser from langchain_core. Based on the context provided, it seems you want to retrieve the vectorstore ids along with the document metadata and page_content when using the get_relevant_documents method in the LangChain framework. We define a query and a similarity threshold. chat_models import AzureChatOpenAI from langchain. Checked other resources I added a very descriptive title to this issue. k = 1,) similar_prompt Feb 6, 2024 · Checked other resources I added a very descriptive title to this issue. The similarity search type will return the documents that are most similar to the query, while the mmr search type will return a diverse set of documents that are all relevant to the query How to pass the similarity score threshold and # of documents to return # This example first loads the Chroma db with the PDF content - Execute this only once(see somment below) # Then it retrieves the relevant documents Apr 28, 2024 · Disclaimer: I am new to blogging. embeddings import OpenAIEmbeddings from langchain. However, when we restart the notebook and attempt to query again without ing Feb 12, 2024 · In this example, the filter parameter is used to filter the search results based on the metadata. Sep 13, 2023 · I've started using Langchain and ChromaDB a few days ago, but I'm facing an issue I cannot solve. Is there some way to do it when I kickoff my c Sep 13, 2023 · Thanks for your reply! I just tried the latest version 0. wnqvbn poct majtbur inza vffgl hve dnla uoqly trso mcpj