The CTU Relational Learning Repository offers relational database datasets to the machine learning community. It currently hosts 148 SQL databases on a public MySQL server. A searchable meta-database provides key metadata, such as the number of tables, rows, columns, and self-relationships within each database.

Top datasets

• Financial

  PKDD'99 Financial dataset contains 606 successful and 76 not successful loans along with their information and transactions. The standard task is to predict the loan outcome for finished loans (A vs B in loan.status) at the time of the loan start (defined by loan.dat…

  • 78.8 MB
  • 8 Tables
  • Financial
  • Classification
  • Missing values
  • Numeric
  • String
  • Temporal

• Mutagenesis

  The dataset comprises of 230 molecules trialed for mutagenicity on Salmonella typhimurium. A subset of 188 molecules is learnable using linear regression. This subset was later termed the ”regression friendly” dataset. The remaining subset of 42 molecules is named the …

  • 900 KB
  • 3 Tables
  • Medicine
  • Classification
  • Numeric
  • String

• Stats

  An anonymized dump of all user-contributed content on the Stats Stack Exchange network.

  • 658.4 MB
  • 8 Tables
  • Education
  • Regression
  • Missing values
  • Numeric
  • String
  • Temporal

• IMDb

  The IMDb database: moderately large, real database of movies.

  • 477.1 MB
  • 7 Tables
  • Entertainment
  • Classification
  • Missing values
  • Numeric
  • String

• Trains

  East-West challenge (1980) database describes east-bound and west-bound trains.

  • 100 KB
  • 2 Tables
  • Synthetic
  • Education
  • Classification
  • Numeric
  • String

• CORA

  The Cora dataset consists of 2708 scientific publications classified into one of seven classes. The citation network consists of 5429 links. Each publication in the dataset is described by a 0/1-valued word vector indicating the absence/presence of the corresponding wo…

  • 4.5 MB
  • 3 Tables
  • Education
  • Classification
  • Numeric
  • String

• Hepatitis

  PKDD'02 Hepatitis dataset describes 206 instances of Hepatitis B (contrasting them against 484 cases of Hepatitis C).

  • 2.2 MB
  • 7 Tables
  • Medicine
  • Classification
  • Numeric
  • String

• Genes

  KDD Cup 2001 prediction of gene/protein function and localization.

  • 1.8 MB
  • 3 Tables
  • Medicine
  • Classification
  • Numeric
  • String

• UW-CSE

  This dataset lists facts about the Department of Computer Science and Engineering at the University of Washington (UW-CSE), such as entities (e.g., Student, Professor) and their relationships (i.e. AdvisedBy, Publication).

  • 200 KB
  • 4 Tables
  • Education
  • Classification
  • Numeric
  • String

• PTE

  A database from The Predictive Toxicology Evaluation Challenge (1997). The task is to predict whether the compound is carcinogenic, or not.

  • 4.4 MB
  • 38 Tables
  • Medicine
  • Classification
  • Numeric
  • String

• PTC

  Predictive Toxicology Challenge (2000) consists of more than three hundreds of organic molecules marked according to their carcinogenicity on male and female mice and rats.

  • 8.1 MB
  • 4 Tables
  • Medicine
  • Classification
  • Missing values
  • String

• Carcinogenesis

  For prediction of whether a given molecule is carcinogenic or not. The dataset contains 182 positive carcinogenicity tests and 148 negative tests.

  • 21 MB
  • 6 Tables
  • Medicine
  • Classification
  • Numeric
  • String