DCG
The set of positive examples consists of all sentences of up to seven words that can be generated by the DCG in Bratko's book (565 positive examples).The set of negative examples was generated by randomly selecting one word in each positive example and replacing it by a randomly selected word the leads to an incorrect sentence, according to the grammar (565 negative examples).
Original source: ijcai.org
Versions
DCG (by Mathieu Bally)
Dataset details
- Associated task:
- Classification
- Domain:
- Education
- Data types:
- Size:
- 300 KB
- Count of tables:
- 2
- Count of rows:
- 8,258
- Count of columns:
- 5
- Missing values:
- No
- Compound keys:
- No
- Loops:
- No
- Type:
- Synthetic
- Instance count:
- 1,130
- Target table:
- sentences
- Target column:
- class
- Target ID:
- id
- Target timestamp:
- ?
How to download the dataset
The datasets are publicly available directly from MariaDB database.
- Open your favourite MariaDB client (MySQL Workbench works, but see FAQ)
- Use following credentials:
- hostname: db.relational-data.org
- port: 3306
- username: guest
- password: relational
- Export "DCG" database (or other version of the dataset, if available) in your favourite format (e.g. CSV or SQL dump).