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metadata
license: cc-by-nc-4.0
tags:
  - vector-search
  - multi-vector-search
  - nearest-neighbors
  - high-dimensional-data
  - political-science
pretty_name: Multi-Vector Search Datasets
size_categories:
  - 1M<n<10M
language:
  - en

Multi-Vector Search Datasets

The datasets listed below are used in the Multi-Vector HNSW project for testing and benchmarking multi-vector approximate nearest neighbor search algorithms and their implementations.


Stack Exchange Datasets

Source: habedi/stack-exchange-dataset

Each row contains:

  • id: unique post ID
  • title: the post title
  • body: the main body content (with HTML tags removed)
  • tags: associated tags
  • embedding: a list of three 768-dimensional vectors for [title, body, tags]

Text embeddings were generated using all-mpnet-base-v2 from Sentence Transformers.

Index Dataset Size
1 Computer Science 40,792
2 Data Science 28,950
3 Political Science 12,416

Flickr8k Dataset

Source: habedi/flickr-8k-dataset-clean

Each row contains:

  • id: image filename
  • captions: a list of five human-written captions
  • image: raw image data (JPEG format)
  • embedding: a list of six 768-dimensional vectors: five for captions, one for the image

Caption embeddings were generated using all-mpnet-base-v2.

Image embeddings were generated using openai/clip-vit-base-patch32 via the Hugging Face Transformers library.

Index Dataset Size
1 Flickr8k (captions + image) 8,091