add yelp dataset

examples/gnnlfhf/gnnlfhf_trainer.py

@@ -1,6 +1,6 @@
 import os
 # os.environ['CUDA_VISIBLE_DEVICES'] = '0'
-os.environ['TL_BACKEND'] = 'torch'
+# os.environ['TL_BACKEND'] = 'torch'
 os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'
 import sys
 import argparse
@@ -116,8 +116,6 @@ def main(args):
     test_acc = calculate_acc(test_logits, test_y, metrics)
     print("Test acc:  {:.4f}".format(test_acc))
 
-    return test_acc
-
 
 if __name__ == '__main__':
     # parameters setting
@@ -145,18 +143,4 @@ def main(args):
     else:
         tlx.set_device("CPU")
 
-    import numpy as np
-
-    number = []
-    for i in range(5):
-        acc = main(args)
-
-        number.append(acc)
-
-    print("实验结果：")
-    print(np.mean(number))
-    print(np.std(number))
-    print(number)
-
-    # main(args)
-
+    main(args)

gammagl/data/__init__.py

@@ -2,7 +2,7 @@
 from .heterograph import HeteroGraph
 from .dataset import Dataset
 from .batch import BatchGraph
-from .download import download_url
+from .download import download_url, download_google_url
 from .in_memory_dataset import InMemoryDataset
 from .extract import extract_zip, extract_tar
 from .utils import global_config_init
@@ -14,6 +14,7 @@
     'HeteroGraph',
     'Dataset',
     'download_url',
+    'download_google_url',
     'InMemoryDataset',
     'extract_zip',
     'extract_tar',

gammagl/data/download.py

@@ -67,3 +67,10 @@ def download_url(url: str, folder: str, log: bool = True,
                 pbar.update(chunk_size)
 
     return path
+
+
+def download_google_url(id: str, folder: str,
+                        filename: str, log: bool = True):
+    r"""Downloads the content of a Google Drive ID to a specific folder."""
+    url = f'https://drive.usercontent.google.com/download?id={id}&confirm=t'
+    return download_url(url, folder, log, filename)

gammagl/datasets/__init__.py

@@ -19,6 +19,7 @@
 from .wikics import WikiCS
 from .blogcatalog import BlogCatalog
 from .molecule_net import MoleculeNet
+from .yelp import Yelp
 
 __all__ = [
     'Amazon',
@@ -40,7 +41,8 @@
     'AMiner',
     'PolBlogs',
     'WikiCS',
-    'MoleculeNet'
+    'MoleculeNet',
+    'Yelp'
 ]
 
 classes = __all__

gammagl/datasets/yelp.py

@@ -0,0 +1,115 @@
+import json
+import os.path as osp
+from typing import Callable, List, Optional
+
+import numpy as np
+import scipy.sparse as sp
+import tensorlayerx as tlx
+
+from gammagl.data import Graph, InMemoryDataset, download_google_url
+
+
+class Yelp(InMemoryDataset):
+    r"""The Yelp dataset from the `"GraphSAINT: Graph Sampling Based
+    Inductive Learning Method" <https://arxiv.org/abs/1907.04931>`_ paper,
+    containing customer reviewers and their friendship.
+    
+    Parameters
+    ----------
+    root: str, optional
+        Root directory where the dataset should be saved.
+    transform: callable, optional
+        A function/transform that takes in an
+        :obj:`gammagl.data.Graph` object and returns a transformed
+        version. The data object will be transformed before every access.
+        (default: :obj:`None`)
+    pre_transform: callable, optional
+        A function/transform that takes in
+        an :obj:`gammagl.data.Graph` object and returns a
+        transformed version. The data object will be transformed before
+        being saved to disk. (default: :obj:`None`)
+    force_reload (bool, optional): Whether to re-process the dataset.
+        (default: :obj:`False`)
+
+    Tip
+    ---
+        .. list-table::
+            :widths: 10 10 10 10 10
+            :header-rows: 1
+            
+            * - #nodes
+              - #edges
+              - #features
+              - #tasks
+            * - 716,847
+              - 13,954,819
+              - 300
+              - 100
+    """
+
+    adj_full_id = '1Juwx8HtDwSzmVIJ31ooVa1WljI4U5JnA'
+    feats_id = '1Zy6BZH_zLEjKlEFSduKE5tV9qqA_8VtM'
+    class_map_id = '1VUcBGr0T0-klqerjAjxRmAqFuld_SMWU'
+    role_id = '1NI5pa5Chpd-52eSmLW60OnB3WS5ikxq_'
+
+    def __init__(
+        self,
+        root: str = None,
+        transform: Optional[Callable] = None,
+        pre_transform: Optional[Callable] = None,
+        force_reload: bool = False,
+    ) -> None:
+        super().__init__(root, transform, pre_transform,
+                         force_reload=force_reload)
+        self.data, self.slices = self.load_data(self.processed_paths[0])
+
+    @property
+    def raw_file_names(self) -> List[str]:
+        return ['adj_full.npz', 'feats.npy', 'class_map.json', 'role.json']
+
+    @property
+    def processed_file_names(self) -> str:
+        return 'data.pt'
+
+    def download(self) -> None:
+        download_google_url(self.adj_full_id, self.raw_dir, 'adj_full.npz')
+        download_google_url(self.feats_id, self.raw_dir, 'feats.npy')
+        download_google_url(self.class_map_id, self.raw_dir, 'class_map.json')
+        download_google_url(self.role_id, self.raw_dir, 'role.json')
+
+    def process(self) -> None:
+        f = np.load(osp.join(self.raw_dir, 'adj_full.npz'))
+        adj = sp.csr_matrix((f['data'], f['indices'], f['indptr']), f['shape'])
+        adj = adj.tocoo()
+        row = tlx.convert_to_tensor(adj.row, dtype=tlx.int64)
+        col = tlx.convert_to_tensor(adj.col, dtype=tlx.int64)
+        edge_index = tlx.stack([row, col], axis=0)
+
+        x = np.load(osp.join(self.raw_dir, 'feats.npy'))
+        x = tlx.convert_to_tensor(x, dtype=tlx.float32)
+
+        ys = [-1] * x.size(0)
+        with open(osp.join(self.raw_dir, 'class_map.json')) as f:
+            class_map = json.load(f)
+            for key, item in class_map.items():
+                ys[int(key)] = item
+        y = tlx.convert_to_tensor(ys)
+
+        with open(osp.join(self.raw_dir, 'role.json')) as f:
+            role = json.load(f)
+
+        train_mask = tlx.zeros((x.shape[0],), dtype=tlx.bool)
+        train_mask[tlx.convert_to_tensor(role['tr'])] = True
+
+        val_mask = tlx.zeros((x.shape[0],), dtype=tlx.bool)
+        val_mask[tlx.convert_to_tensor(role['va'])] = True
+
+        test_mask = tlx.zeros((x.shape[0],), dtype=tlx.bool)
+        test_mask[tlx.convert_to_tensor(role['te'])] = True
+
+        data = Graph(x=x, edge_index=edge_index, y=y, train_mask=train_mask,
+                    val_mask=val_mask, test_mask=test_mask)
+
+        data = data if self.pre_transform is None else self.pre_transform(data)
+
+        self.save_data(self.collate([data]), self.processed_paths[0])

tests/datasets/test_yelp.py

@@ -0,0 +1,15 @@
+import os
+
+# os.environ['CUDA_VISIBLE_DEVICES'] = '1'
+# os.environ['TL_BACKEND'] = 'paddle'
+import tensorlayerx as tlx
+from gammagl.datasets import Yelp
+
+def yelp():
+    dataset = Yelp()
+    graph = dataset[0]
+    assert len(dataset) == 1
+    assert dataset.num_classes == 100
+    assert dataset.num_node_features == 300
+    assert graph.edge_index.shape[1] == 13954819
+    assert graph.x.shape[0] == 716847