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Jina ColBERT v2

Multilingual late interactive retrieval model, supporting embedding and reordering

#machine learning
#Multi-language support
#information retrieval
#text embedding
#rearrange
Jina ColBERT v2

Product Details

Jina ColBERT v2 is an advanced late-interaction retrieval model built on the ColBERT architecture, supports 89 languages, and provides superior retrieval performance, user-controllable output dimensions and text processing capabilities up to 8192 tokens. It is revolutionary in the field of information retrieval, approximating joint query-document attention in cross-encoders through late interaction scoring, while maintaining inference efficiency close to traditional dense retrieval models.

Main Features

1
Multi-language support supports 89 languages, providing powerful performance across major global languages.
2
User-controllable output embedding size, through Matryoshka representation learning, flexibly balances efficiency and accuracy.
3
On the MIRACL benchmark, BM25 base retrieval performance is better than Jina ColBERT v2 for all tested languages.
4
In the English retrieval task, the performance exceeds the previous generation model jina-colbert-v1-en and the original ColBERT v2 model.
5
Matryoshka said the learning technique supports output vector sizes of 128, 96 and 64 dimensions.
6
Reducing the output vector size saves space and speeds up vector-based retrieval applications.
7
Services are available through the Jina Search Foundation API, AWS marketplace, and Azure.

How to Use

1
Get the document embedding through the Jina Search Foundation API, specifying the model as 'jina-colbert-v2'.
2
Set the input type to 'document' or 'query' and select the embed size as needed.
3
Get query embedding via API, set input type to 'query'.
4
Use the Jina Reranker API to perform reranking, input a query and multiple documents, and get sortable match scores.
5
Use the Jina AI Embeddings API to code in Python and other programming languages.
6
Use Jina ColBERT v2 as a replacement for ColBERT v2 via the Stanford ColBERT library.
7
Download and use Jina ColBERT v2 in RAGatouille, via the RAGPretrainedModel.from_pretrained() method.
8
Integrate Jina ColBERT v2 into multi-vector collections using Qdrant client for document insertion and querying.

Target Users

The target audience of Jina ColBERT v2 is global information retrieval and AI application developers, especially those professionals who need to process multilingual data and long text data. This model can significantly improve the efficiency and accuracy of retrieval tasks, while reducing storage and computing costs, and is very suitable for enterprises and research institutions that need to perform large-scale text analysis and retrieval.

Examples

Quickly search for relevant documents in multilingual document libraries.

Efficient information retrieval in long text datasets.

Enable efficient reordering tasks in cross-language queries and document matching.

Quick Access

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Categories

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› AI model
› AI search engine

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