# Boolean matrix factorization

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**Boolean matrix factorization** is a form of matrix factorization with Boolean matrix multiplications and is also referred to as *discrete basis problem*.
The form can be written as:^{[1]}

- <math>\mathbf{X \approx W \otimes H}</math>

where all three matrices are binary matrices and the "multiplication" between **W** and **H** is a Boolean operation.

It is related to binary matrix factorization.

## [edit] References

- ↑ Pauli Miettinen, Taneli Mielikäinen, Aristides Gionis, Gautam Das, Meikki Mannila (2008). "The discrete basis problem".
*IEEE Transactions on Knowledge and Data Engineering***20**(10): missing*pages*.