| Name | Description | Type | Package | Framework |
| DoubleSparseMatrix | A double matrix holds the values of the entries in double vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| DoubleSparseMatrixSumAggregator | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph | |
| DoubleSparseVector | The double vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| DoubleSparseVectorSumAggregator | The double vector aggregator is used to aggregate double vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseMatrix | A float matrix holds the values of the entries in float vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseMatrixSumAggregator | The float matrix aggregator is used to register and aggregate float matrices. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseVector | The float vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| FloatSparseVectorSumAggregator | The float vector aggregator is used to aggregate float vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseMatrix | A int matrix holds the values of the entries in int vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseMatrixSumAggregator | The int matrix aggregator is used to register and aggregate int matrices. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseVector | The int vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| IntSparseVectorSumAggregator | The float vector aggregator is used to aggregate float vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseMatrix | A long matrix holds the values of the entries in long vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseMatrixSumAggregator | The long matrix aggregator is used to register and aggregate long matrices. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseVector | The long vector holds the values of a particular row. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |
| LongSparseVectorSumAggregator | The long vector aggregator is used to aggregate long vectors. | Class | org.apache.giraph.aggregators.matrix.sparse | Giraph |