22 lines
657 B
Python
22 lines
657 B
Python
from torch.utils.data import Dataset
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class UserItemRatingDataset(Dataset):
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"""Wrapper, convert <user, item, rating> Tensor into Pytorch Dataset"""
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def __init__(self, user_tensor, item_tensor, target_tensor):
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"""
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args:
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target_tensor: torch.Tensor, the corresponding rating for <user, item> pair
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"""
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self.user_tensor = user_tensor
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self.item_tensor = item_tensor
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self.target_tensor = target_tensor
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def __getitem__(self, index):
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return self.user_tensor[index], self.item_tensor[index], self.target_tensor[index]
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def __len__(self):
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return self.user_tensor.size(0)
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