marqo

Unified embedding generation and search engine. Also available on cloud - cloud.marqo.ai

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Marqo is more than a vector database, it's an end-to-end vector search engine for both text and images. Vector generation, storage and retrieval are handled out of the box through a single API. No need to bring your own embeddings.

README:

Marqo

Why Marqo?

Vector similarity alone is not enough for vector search. Vector search requires more than a vector database - it also requires machine learning (ML) deployment and management, preprocessing and transformations of inputs as well as the ability to modify search behavior without retraining a model. Marqo contains all these pieces, enabling developers to build vector search into their application with minimal effort. A full list of features can be found below.

Why bundle embedding generation with vector search?

Vector databases are specialized components for vector similarity and only service one component of a vector search system. They are “vectors in - vectors out”. They still require the production of vectors, management of the ML models, associated orchestration and processing of the inputs. Marqo makes this easy by being “documents in, documents out”. Preprocessing of text and images, embedding the content, storing meta-data and deployment of inference and storage is all taken care of by Marqo.

Quick start

Here is a code snippet for a minimal example of vector search with Marqo (see Getting Started):

Marqo requires Docker. To install Docker go to the Docker Official website. Ensure that docker has at least 8GB memory and 50GB storage. In Docker desktop, you can do this by clicking the settings icon, then resources, and selecting 8GB memory.
Use docker to run Marqo:

docker rm -f marqo
docker pull marqoai/marqo:latest
docker run --name marqo -it -p 8882:8882 marqoai/marqo:latest

Install the Marqo client:

pip install marqo

Start indexing and searching! Let's look at a simple example below:

import marqo

mq = marqo.Client(url='http://localhost:8882')

mq.create_index("my-first-index", model="hf/e5-base-v2")

mq.index("my-first-index").add_documents([
    {
        "Title": "The Travels of Marco Polo",
        "Description": "A 13th-century travelogue describing Polo's travels"
    }, 
    {
        "Title": "Extravehicular Mobility Unit (EMU)",
        "Description": "The EMU is a spacesuit that provides environmental protection, "
                       "mobility, life support, and communications for astronauts",
        "_id": "article_591"
    }],
    tensor_fields=["Description"]
)

results = mq.index("my-first-index").search(
    q="What is the best outfit to wear on the moon?"
)

✨ Core Features

🤖 State of the art embeddings

Use the latest machine learning models from PyTorch, Huggingface, OpenAI and more.
Start with a pre-configured model or bring your own.
CPU and GPU support.

⚡ Performance

Embeddings stored in in-memory HNSW indexes, achieving cutting edge search speeds.
Scale to hundred-million document indexes with horizontal index sharding.
Async and non-blocking data upload and search.

🌌 Documents-in-documents-out

Vector generation, storage, and retrieval are provided out of the box.
Build search, entity resolution, and data exploration application with using your text and images.
Build complex semantic queries by combining weighted search terms.
Filter search results using Marqo’s query DSL.
Store unstructured data and semi-structured metadata together in documents, using a range of supported datatypes like bools, ints and keywords.

🍱 Managed cloud

Low latency optimised deployment of Marqo.
Scale inference at the click of a button.
High availability.
24/7 support.
Access control.
Learn more here.

Integrations

Marqo is integrated into popular AI and data processing frameworks, with more on the way.

💙 Haystack

Haystack is an open-source framework for building applications that make use of NLP technology such as LLMs, embedding models and more. This integration allows you to use Marqo as your Document Store for Haystack pipelines such as retrieval-augmentation, question answering, document search and more.

🛹 Griptape

Griptape enables safe and reliable deployment of LLM-based agents for enterprise applications, the MarqoVectorStoreDriver gives these agents access to scalable search with your own data. This integration lets you leverage open source or custom fine-tuned models through Marqo to deliver relevant results to your LLMs.

🦜🔗 Langchain

This integration lets you leverage open source or custom fine tuned models through Marqo for LangChain applications with a vector search component. The Marqo vector store implementation can plug into existing chains such as the Retrieval QA and Conversational Retrieval QA.

⋙ Hamilton

This integration lets you leverage open source or custom fine tuned models through Marqo for Hamilton LLM applications.

Learn more about Marqo


📗 Quick start	Build your first application with Marqo in under 5 minutes.
🖼 Marqo for image data	Building advanced image search with Marqo.
📚 Marqo for text	Building a multilingual database in Marqo.
🔮 Integrating Marqo with GPT	Making GPT a subject matter expert by using Marqo as a knowledge base.
🎨 Marqo for Creative AI	Combining stable diffusion with semantic search to generate and categorise 100k images of hotdogs.
🔊 Marqo and Speech Data	Add diarisation and transcription to preprocess audio for Q&A with Marqo and ChatGPT.
🚫 Marqo for content moderation	Building advanced image search with Marqo to find and remove content.
☁️ Getting started with Marqo Cloud	Go through how to get set up and running with Marqo Cloud starting from your first time login through to building your first application with Marqo
👗 Marqo for e-commerce	This project is a web application with frontend and backend using Python, Flask, ReactJS, and Typescript. The frontend is a ReactJS application that makes requests to the backend which is a Flask application. The backend makes requests to your Marqo cloud API.
🤖 Marqo chatbot	In this guide we will build a chat bot application using Marqo and OpenAI's ChatGPT API. We will start with an existing code base and then walk through how to customise the behaviour.
🦾 Features	Marqo's core features.

Getting started

Marqo requires Docker. To install Docker go to the Docker Official website. Ensure that docker has at least 8GB memory and 50GB storage.
Use docker to run Marqo:

docker rm -f marqo
docker pull marqoai/marqo:latest
docker run --name marqo -p 8882:8882 marqoai/marqo:latest

Note: If your marqo container keeps getting killed, this is most likely due to a lack of memory being allocated to Docker. Increasing the memory limit for Docker to at least 6GB (8GB recommended) in your Docker settings may fix the problem.

Install the Marqo client:

pip install marqo

Start indexing and searching! Let's look at a simple example below:

import marqo

mq = marqo.Client(url='http://localhost:8882')

mq.create_index("my-first-index")

mq.index("my-first-index").add_documents([
    {
        "Title": "The Travels of Marco Polo",
        "Description": "A 13th-century travelogue describing Polo's travels"
    }, 
    {
        "Title": "Extravehicular Mobility Unit (EMU)",
        "Description": "The EMU is a spacesuit that provides environmental protection, "
                       "mobility, life support, and communications for astronauts",
        "_id": "article_591"
    }],
    tensor_fields=["Description"]
)

results = mq.index("my-first-index").search(
    q="What is the best outfit to wear on the moon?"
)

mq is the client that wraps the marqo API.
create_index() creates a new index with default settings. You have the option to specify what model to use. For example, mq.create_index("my-first-index", model="hf/all_datasets_v4_MiniLM-L6") will create an index with the default text model hf/all_datasets_v4_MiniLM-L6. Experimentation with different models is often required to achieve the best retrieval for your specific use case. Different models also offer a tradeoff between inference speed and relevancy. See here for the full list of models.
add_documents() takes a list of documents, represented as python dicts for indexing. tensor_fields refers to the fields that will be indexed as vector collections and made searchable.
You can optionally set a document's ID with the special _id field. Otherwise, Marqo will generate one.

Let's have a look at the results:

# let's print out the results:
import pprint
pprint.pprint(results)

{
    'hits': [
        {
            'Title': 'Extravehicular Mobility Unit (EMU)',
            'Description': 'The EMU is a spacesuit that provides environmental protection, mobility, life support, and'
                           'communications for astronauts',
            '_highlights': [{
                'Description': 'The EMU is a spacesuit that provides environmental protection, '
                               'mobility, life support, and communications for astronauts'
            }],
            '_id': 'article_591',
            '_score': 0.61938936
        },
        {
            'Title': 'The Travels of Marco Polo',
            'Description': "A 13th-century travelogue describing Polo's travels",
            '_highlights': [{'Title': 'The Travels of Marco Polo'}],
            '_id': 'e00d1a8d-894c-41a1-8e3b-d8b2a8fce12a',
            '_score': 0.60237324
        }
    ],
    'limit': 10,
    'processingTimeMs': 49,
    'query': 'What is the best outfit to wear on the moon?'
}

Each hit corresponds to a document that matched the search query.
They are ordered from most to least matching.
limit is the maximum number of hits to be returned. This can be set as a parameter during search.
Each hit has a _highlights field. This was the part of the document that matched the query the best.

Other basic operations

Get document

Retrieve a document by ID.

result = mq.index("my-first-index").get_document(document_id="article_591")

Note that by adding the document using add_documents again using the same _id will cause a document to be updated.

Get index stats

Get information about an index.

results = mq.index("my-first-index").get_stats()

Lexical search

Perform a keyword search.

result = mq.index("my-first-index").search('marco polo', search_method=marqo.SearchMethods.LEXICAL)

Multi modal and cross modal search

To power image and text search, Marqo allows users to plug and play with CLIP models from HuggingFace. Note that if you do not configure multi modal search, image urls will be treated as strings. To start indexing and searching with images, first create an index with a CLIP configuration, as below:

settings = {
    "treat_urls_and_pointers_as_images":True,   # allows us to find an image file and index it 
    "model":"ViT-L/14"
}
response = mq.create_index("my-multimodal-index", **settings)

Images can then be added within documents as follows. You can use urls from the internet (for example S3) or from the disk of the machine:

response = mq.index("my-multimodal-index").add_documents([{
    "My_Image": "https://raw.githubusercontent.com/marqo-ai/marqo-api-tests/mainline/assets/ai_hippo_realistic.png",
    "Description": "The hippopotamus, also called the common hippopotamus or river hippopotamus, is a large semiaquatic mammal native to sub-Saharan Africa",
    "_id": "hippo-facts"
}], tensor_fields=["My_Image"])

You can then search the image field using text.

results = mq.index("my-multimodal-index").search('animal')

Searching using an image

Searching using an image can be achieved by providing the image link.

results = mq.index("my-multimodal-index").search('https://raw.githubusercontent.com/marqo-ai/marqo-api-tests/mainline/assets/ai_hippo_statue.png')

Searching using weights in queries

Queries can also be provided as dictionaries where each key is a query and their corresponding values are weights. This allows for more advanced queries consisting of multiple components with weightings towards or against them, queries can have negations via negative weighting.

The example below shows the application of this to a scenario where a user may want to ask a question but also negate results that match a certain semantic criterion.

import marqo
import pprint

mq = marqo.Client(url="http://localhost:8882")

mq.create_index("my-weighted-query-index")

mq.index("my-weighted-query-index").add_documents(
    [
        {
            "Title": "Smartphone",
            "Description": "A smartphone is a portable computer device that combines mobile telephone "
            "functions and computing functions into one unit.",
        },
        {
            "Title": "Telephone",
            "Description": "A telephone is a telecommunications device that permits two or more users to"
            "conduct a conversation when they are too far apart to be easily heard directly.",
        },
        {
            "Title": "Thylacine",
            "Description": "The thylacine, also commonly known as the Tasmanian tiger or Tasmanian wolf, "
            "is an extinct carnivorous marsupial."
            "The last known of its species died in 1936.",
        }
    ],
    tensor_fields=["Description"]
)

# initially we ask for a type of communications device which is popular in the 21st century
query = {
    # a weighting of 1.1 gives this query slightly more importance
    "I need to buy a communications device, what should I get?": 1.1,
    # a weighting of 1 gives this query a neutral importance
    # this will lead to 'Smartphone' being the top result
    "The device should work like an intelligent computer.": 1.0,
}

results = mq.index("my-weighted-query-index").search(q=query)

print("Query 1:")
pprint.pprint(results)

# now we ask for a type of communications which predates the 21st century
query = {
    # a weighting of 1 gives this query a neutral importance
    "I need to buy a communications device, what should I get?": 1.0,
    # a weighting of -1 gives this query a negation effect
    # this will lead to 'Telephone' being the top result
    "The device should work like an intelligent computer.": -0.3,
}

results = mq.index("my-weighted-query-index").search(q=query)

print("\nQuery 2:")
pprint.pprint(results)

Creating and searching indexes with multimodal combination fields

Marqo lets you have indexes with multimodal combination fields. Multimodal combination fields can combine text and images into one field. This allows scoring of documents across the combined text and image fields together. It also allows for a single vector representation instead of needing many which saves on storage. The relative weighting of each component can be set per document.

The example below demonstrates this with retrieval of caption and image pairs using multiple types of queries.

import marqo
import pprint

mq = marqo.Client(url="http://localhost:8882")

settings = {"treat_urls_and_pointers_as_images": True, "model": "ViT-L/14"}

mq.create_index("my-first-multimodal-index", **settings)

mq.index("my-first-multimodal-index").add_documents(
    [
        {
            "Title": "Flying Plane",
            "caption": "An image of a passenger plane flying in front of the moon.",
            "image": "https://raw.githubusercontent.com/marqo-ai/marqo/mainline/examples/ImageSearchGuide/data/image2.jpg",
        },
        {
            "Title": "Red Bus",
            "caption": "A red double decker London bus traveling to Aldwych",
            "image": "https://raw.githubusercontent.com/marqo-ai/marqo/mainline/examples/ImageSearchGuide/data/image4.jpg",
        },
        {
            "Title": "Horse Jumping",
            "caption": "A person riding a horse over a jump in a competition.",
            "image": "https://raw.githubusercontent.com/marqo-ai/marqo/mainline/examples/ImageSearchGuide/data/image1.jpg",
        },
    ],
    # Create the mappings, here we define our captioned_image mapping 
    # which weights the image more heavily than the caption - these pairs 
    # will be represented by a single vector in the index
    mappings={
        "captioned_image": {
            "type": "multimodal_combination",
            "weights": {
                "caption": 0.3,
                "image": 0.7
            }
        }
    },
    # We specify which fields to create vectors for. 
    # Note that captioned_image is treated as a single field.
    tensor_fields=["captioned_image"]
)

# Search this index with a simple text query
results = mq.index("my-first-multimodal-index").search(
    q="Give me some images of vehicles and modes of transport. I am especially interested in air travel and commercial aeroplanes."
)

print("Query 1:")
pprint.pprint(results)

# search the index with a query that uses weighted components
results = mq.index("my-first-multimodal-index").search(
    q={
        "What are some vehicles and modes of transport?": 1.0,
        "Aeroplanes and other things that fly": -1.0
    },
)
print("\nQuery 2:")
pprint.pprint(results)

results = mq.index("my-first-multimodal-index").search(
    q={"Animals of the Perissodactyla order": -1.0}
)
print("\nQuery 3:")
pprint.pprint(results)

Delete documents

Delete documents.

results = mq.index("my-first-index").delete_documents(ids=["article_591", "article_602"])

Delete index

Delete an index.

results = mq.index("my-first-index").delete()

Running Marqo open source in production

We support Kubernetes templates for Marqo which you can deploy on a cloud provider of your choice. Marqo's Kubernetes implementation allows you to deploy clusters with replicas, multiple storage shards and multiple inference nodes. The repo can be found here: https://github.com/marqo-ai/marqo-on-kubernetes

If you're looking for a fully managed cloud service, you can sign up for Marqo Cloud here: https://cloud.marqo.ai.

Documentation

The full documentation for Marqo can be found here https://docs.marqo.ai/.

Warning

Note that you should not run other applications on Marqo's Vespa cluster as Marqo automatically changes and adapts the settings on the cluster.

Contributors

Marqo is a community project with the goal of making tensor search accessible to the wider developer community. We are glad that you are interested in helping out! Please read this to get started.

Dev setup

Create a virtual env python -m venv ./venv.
Activate the virtual environment source ./venv/bin/activate.
Install requirements from the requirements file: pip install -r requirements.txt.
Run tests by running the tox file. CD into this dir and then run "tox".
If you update dependencies, make sure to delete the .tox dir and rerun.

Merge instructions:

Run the full test suite (by using the command tox in this dir).
Create a pull request with an attached github issue.

Support

Ask questions and share your creations with the community on our Discourse forum.
Join our Slack community and chat with other community members about ideas.

For Tasks:

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For Jobs:

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