CiaoDVD

Overview

Dataset name: CiaoDVD
Latest version: v1
Available versions: v1
Source: https://guoguibing.github.io/librec/datasets.html

CiaoDVD is a dataset for DVDs recommendation.

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Citation

@inproceedings{DBLP:conf/asunam/GuoZTY14,
  author       = {Guibing Guo and
                  Jie Zhang and
                  Daniel Thalmann and
                  Neil Yorke{-}Smith},
  title        = {{ETAF:} An extended trust antecedents framework for trust prediction},
  booktitle    = {{ASONAM}},
  pages        = {540--547},
  publisher    = {{IEEE} Computer Society},
  year         = {2014}
}

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Version: v1

Data Sources

Name	Source type	Archive	URL	Checksum
github_archive	HttpSource	zip	https://guoguibing.github.io/librec/datasets/CiaoDVD.zip	md5:43a39e068e3fc494a7f7f7581293e2c2

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Resources

ratings

• Type: interactions
• Format: transactions_tabular
• Required: yes
• Source: github_archive
• Filename: movie-ratings.txt

Schema

sep: ','
user_col: 0
item_col: 1
rating_col: 4
timestamp_col: 5

reviews

• Type: content
• Format: tabular
• Source: github_archive
• Filename: review-ratings.txt
• About: items

friendships

• Type: content
• Format: tabular
• Source: github_archive
• Filename: trusts.txt
• About: users

readme

• Type: documentation
• Format: plaintext
• Source: github_archive
• Filename: readme.txt

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Dataset Characteristics

Computed at: 2025-12-15

Metric	Value
n_users	17615
n_items	16121
n_interactions	72665
space_size	16.851451421168445
space_size_log	1.2266373127478747
shape	1.0926741517275602
shape_log	0.0384906695387733
density	0.0002558884315873835
density_log	-3.5919493476076516
gini_item	0.6557512489633792
gini_user	0.6631267979210606
ratings_per_user	4.12517740562021
ratings_per_item	4.507474722411761

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License & Usage

Please refer to the official dataset page for licensing and usage restrictions. https://guoguibing.github.io/librec/datasets.html