dmlc--dgl
32 行
1.1 KiB
Python
32 行
1.1 KiB
Python
"""Unified data structure for input and ouput of all the stages in loading
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process, especially for node level task."""
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from dataclasses import dataclass
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from typing import Dict, Union
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import torch
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from .data_block import DataBlock
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@dataclass
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class NodeClassificationBlock(DataBlock):
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r"""A subclass of 'UnifiedDataStruct', specialized for handling node level
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tasks."""
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seed_node: Union[torch.Tensor, Dict[str, torch.Tensor]] = None
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"""
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Representation of seed nodes used for sampling in the graph.
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- If `seed_node` is a tensor: It indicates the graph is homogeneous.
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- If `seed_node` is a dictionary: The keys should be node type and the
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value should be corresponding heterogeneous node ids.
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"""
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label: Union[torch.Tensor, Dict[str, torch.Tensor]] = None
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"""
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Labels associated with seed nodes in the graph.
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- If `label` is a tensor: It indicates the graph is homogeneous.
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- If `label` is a dictionary: The keys should be node type and the
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value should be corresponding node labels to given 'seed_node'.
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"""
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