| Name | Description | Type | Package | Framework |
| FileBasedSparseBinaryMatrix | Provides a way to get data from a file and treat it as if it were a matrix, but avoids putting all that data onto the Java heap. | Class | org.apache.mahout.math | Apache Mahout |
| FileBasedSparseBinaryMatrix .BinaryReadOnlyElement | Class | org.apache.mahout.math.FileBasedSparseBinaryMatrix | Apache Mahout | |