class Block_2hop(torch.nn.Module):
def __init__(self, in_channels, hidden_channels, out_channels, jp=False):
super(Block_2hop, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.jp = jp
if self.jp:
self.jump = JumpingKnowledge('cat')
self.lin = Linear(hidden_channels + out_channels, out_channels)
def reset_parameters(self):
self.conv1.reset_parameters()
self.conv2.reset_parameters()
if self.jp:
self.lin.reset_parameters()
def forward(self, x, adj, mask=None, add_loop=True):
x1 = F.relu(self.conv1(x, adj, mask, add_loop))
x1 = F.normalize(x1, p=2, dim=-1)
x2 = F.relu(self.conv2(x1, adj, mask, add_loop))
x2 = F.normalize(x2, p=2, dim=-1)
if self.jp:
return F.relu(self.lin(self.jump([x1, x2])))
return x2
class Block(torch.nn.Module):
def __init__(self, in_channels, hidden_channels, out_channels, mode='cat'):
super(Block, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.jump = JumpingKnowledge(mode)
if mode == 'cat':
self.lin = Linear(hidden_channels + out_channels, out_channels)
else:
self.lin = Linear(out_channels, out_channels)
def reset_parameters(self):
self.conv1.reset_parameters()
self.conv2.reset_parameters()
self.lin.reset_parameters()
# x: [batch_size, num_nodes, in_channels]
def forward(self, x, adj, mask=None, add_loop=True):
# x1: [batch_size, num_nodes,hidden_channels]
x1 = F.relu(self.conv1(x, adj, mask, add_loop))
# x2: [batch_size,num_nodes, out_channels]
x2 = F.relu(self.conv2(x1, adj, mask, add_loop))
# [batch_size,num_nodes,out_channels]
return self.lin(self.jump([x1, x2]))
def test_dense_sage_conv():
channels = 16
sparse_conv = SAGEConv(channels, channels)
dense_conv = DenseSAGEConv(channels, channels)
assert dense_conv.__repr__() == 'DenseSAGEConv(16, 16)'
# Ensure same weights (identity) and bias (ones).
index = torch.arange(0, channels, dtype=torch.long)
sparse_conv.weight.data.fill_(0)
sparse_conv.weight.data[index, index] = 1
sparse_conv.bias.data.fill_(1)
dense_conv.weight.data.fill_(0)
dense_conv.weight.data[index, index] = 1
dense_conv.bias.data.fill_(1)
x = torch.randn((5, channels))
edge_index = torch.tensor([[0, 0, 1, 1, 2, 2, 3, 4],
[1, 2, 0, 2, 0, 1, 4, 3]])
sparse_out = sparse_conv(x, edge_index)
x = torch.cat([x, x.new_zeros(1, channels)], dim=0).view(2, 3, channels)
adj = torch.Tensor([
[[0, 1, 1], [1, 0, 1], [1, 1, 0]],
[[0, 1, 0], [1, 0, 0], [0, 0, 0]],
])
mask = torch.tensor([[1, 1, 1], [1, 1, 0]], dtype=torch.uint8)
dense_out = dense_conv(x, adj, mask)
assert dense_out.size() == (2, 3, channels)
dense_out = dense_out.view(6, channels)[:-1]
assert torch.allclose(sparse_out, dense_out, atol=1e-04)
def __init__(
self,
in_channels,
hidden_channels,
out_channels,
normalize=False,
add_loop=False,
lin=True,
):
super(GNN, self).__init__()
self.add_loop = add_loop
self.conv1 = DenseSAGEConv(in_channels, hidden_channels, normalize)
self.bn1 = torch.nn.BatchNorm1d(hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, hidden_channels, normalize)
self.bn2 = torch.nn.BatchNorm1d(hidden_channels)
self.conv3 = DenseSAGEConv(hidden_channels, out_channels, normalize)
self.bn3 = torch.nn.BatchNorm1d(out_channels)
if lin is True:
self.lin = torch.nn.Linear(2 * hidden_channels + out_channels,
out_channels)
else:
self.lin = None
def __init__(self, in_channels, hidden_channels, out_channels):
super(Block, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.lin = torch.nn.Linear(hidden_channels + out_channels,
out_channels)
def __init__(self, in_channels, hidden_channels, out_channels, jp=False):
super(Block_2hop, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.jp = jp
if self.jp:
self.jump = JumpingKnowledge('cat')
self.lin = Linear(hidden_channels + out_channels, out_channels)
def __init__(self, in_channels, hidden_channels, out_channels, mode='cat'):
super(Block, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.jump = JumpingKnowledge(mode)
if mode == 'cat':
self.lin = Linear(hidden_channels + out_channels, out_channels)
else:
self.lin = Linear(out_channels, out_channels)
class Block_1hop(torch.nn.Module):
# If we only connect up to 1-hop neighbors, jumping knowledge is always False.
def __init__(self, in_channels, hidden_channels, out_channels, jp=False):
super(Block_1hop, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, out_channels)
def reset_parameters(self):
self.conv1.reset_parameters()
def forward(self, x, adj, mask=None, add_loop=True):
x1 = F.relu(self.conv1(x, adj, mask, add_loop))
x1 = F.normalize(x1, p=2, dim=-1)
return x1
def __init__(self,
in_channels,
out_channels,
hidden_channels=None,
normalize=False,
add_loop=False,
lin=True):
super().__init__()
if hidden_channels is None:
hidden_channels = []
self.add_loop = add_loop
n_channels = [in_channels] + hidden_channels + [out_channels]
self.expansion = n_channels - 1
self.convs = nn.ModuleList()
self.bns = nn.ModuleList()
for layer_i in range(self.expansion):
self.convs.append(
DenseSAGEConv(n_channels[layer_i], n_channels[layer_i + 1],
normalize))
self.bns.append(torch.nn.BatchNorm1d(n_channels[layer_i + 1]))
if lin is True:
self.lin = torch.nn.Linear(2 * hidden_channels + out_channels,
out_channels)
else:
self.lin = None
class Block_2hop(torch.nn.Module):
def __init__(self, in_channels, hidden_channels, out_channels):
super(Block_2hop, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
def reset_parameters(self):
self.conv1.reset_parameters()
self.conv2.reset_parameters()
def forward(self, x, adj, mask=None, add_loop=True):
x1 = F.relu(self.conv1(x, adj, mask, add_loop))
x1 = F.normalize(x1, p=2, dim=-1)
x2 = F.relu(self.conv2(x1, adj, mask, add_loop))
x2 = F.normalize(x2, p=2, dim=-1)
return x2
def __init__(self, num_features, n_classes, num_hidden, num_hidden_layers, dropout, activation,normalize=True, bias=True):
super(PDenseSAGE, self).__init__()
# dropout
if dropout:
self.dropout = nn.Dropout(p=dropout)
else:
self.dropout = nn.Dropout(p=0.)
#activation
self.activation = activation
# input layer
self.conv_input = DenseSAGEConv(num_features, num_hidden, normalize=normalize, bias=bias)
# Hidden layers
self.layers = nn.ModuleList()
for _ in range(num_hidden_layers):
self.layers.append(DenseSAGEConv(num_hidden, num_hidden, normalize=normalize,bias=bias))
# output layer
self.conv_output = DenseSAGEConv(num_hidden, n_classes, normalize=normalize, bias=bias)
def __init__(self,
in_channels,
hidden_channels,
out_channels,
lin=True):
super().__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.bn1 = nn.BatchNorm1d(hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, hidden_channels)
self.bn2 = nn.BatchNorm1d(hidden_channels)
self.conv3 = DenseSAGEConv(hidden_channels, out_channels)
if lin is True:
self.lin = nn.Linear((NUM_SAGE_LAYERS - 1) * hidden_channels + out_channels, out_channels)
else:
# GNN's intermediate representation is given by the concatenation of SAGE layers
self.lin = None
def __init__(self, feat_in, n_classes, n_chan=64):
super(Net, self).__init__()
num_nodes = math.ceil(0.4 * average_nodes)
self.gnn1 = DenseSAGEConv(feat_in, n_chan)
# self.pool1 = torch.nn.Linear(n_chan, num_nodes)
# self.pool1 = Prototype_Pooling(num_nodes, n_chan, n_chan, n_chan)
self.pool1 = Embedded_Pool(num_nodes, n_chan, n_chan, n_chan)
num_nodes = math.ceil(0.4 * num_nodes)
self.gnn2 = DenseSAGEConv(n_chan, n_chan)
# self.pool2 = torch.nn.Linear(n_chan, num_nodes)
# self.pool2 = Prototype_Pooling(num_nodes, n_chan, n_chan, n_chan)
self.pool2 = Embedded_Pool(num_nodes, n_chan, n_chan, n_chan)
self.gnn3 = DenseSAGEConv(n_chan, n_chan)
self.lin1 = torch.nn.Linear(n_chan, n_chan)
self.lin2 = torch.nn.Linear(n_chan, n_classes)
class Block(torch.nn.Module):
def __init__(self, in_channels, hidden_channels, out_channels):
super(Block, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.lin = torch.nn.Linear(hidden_channels + out_channels,
out_channels)
def reset_parameters(self):
self.conv1.reset_parameters()
self.conv2.reset_parameters()
self.lin.reset_parameters()
def forward(self, x, adj, mask=None, add_loop=True):
x1 = F.relu(self.conv1(x, adj, mask, add_loop))
x2 = F.relu(self.conv2(x1, adj, mask, add_loop))
return self.lin(torch.cat([x1, x2], dim=-1))
def _gcn(self, name, input_dim, hidden_dim, bias, activation='relu'):
if name == 'SAGE':
return DenseSAGEConv(input_dim,
hidden_dim,
normalize=True,
bias=bias)
else:
nn1 = nn.Sequential(nn.Linear(input_dim, hidden_dim),
self._activation(activation),
nn.Linear(hidden_dim, hidden_dim))
return DenseGINConv(nn1)
class Block(torch.nn.Module):
def __init__(self, in_channels, hidden_channels, out_channels, mode='cat'):
super().__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, out_channels)
self.jump = JumpingKnowledge(mode)
if mode == 'cat':
self.lin = Linear(hidden_channels + out_channels, out_channels)
else:
self.lin = Linear(out_channels, out_channels)
def reset_parameters(self):
self.conv1.reset_parameters()
self.conv2.reset_parameters()
self.lin.reset_parameters()
def forward(self, x, adj, mask=None):
x1 = F.relu(self.conv1(x, adj, mask))
x2 = F.relu(self.conv2(x1, adj, mask))
return self.lin(self.jump([x1, x2]))
def __init__(self, num_layers, in_channels, out_channels, residual=True):
super().__init__()
self.num_layers = num_layers
self.residual = residual
self.layers = nn.ModuleList()
self.bns = nn.ModuleList()
for i in range(num_layers - 1):
if i == 0:
self.layers.append(
DenseSAGEConv(in_channels, out_channels, normalize=True))
else:
self.layers.append(
DenseSAGEConv(out_channels, out_channels, normalize=True))
self.bns.append(nn.BatchNorm1d(out_channels))
if num_layers == 1:
self.layers.append(
DenseSAGEConv(in_channels, out_channels, normalize=True))
else:
self.layers.append(
DenseSAGEConv(out_channels, out_channels, normalize=True))
def test_dense_sage_conv():
channels = 16
sparse_conv = SAGEConv(channels, channels, normalize=True)
dense_conv = DenseSAGEConv(channels, channels, normalize=True)
assert dense_conv.__repr__() == 'DenseSAGEConv(16, 16)'
# Ensure same weights and bias.
dense_conv.lin_rel = sparse_conv.lin_l
dense_conv.lin_root = sparse_conv.lin_r
x = torch.randn((5, channels))
edge_index = torch.tensor([[0, 0, 1, 1, 2, 2, 3, 4],
[1, 2, 0, 2, 0, 1, 4, 3]])
sparse_out = sparse_conv(x, edge_index)
assert sparse_out.size() == (5, channels)
x = torch.cat([x, x.new_zeros(1, channels)], dim=0).view(2, 3, channels)
adj = torch.Tensor([
[
[0, 1, 1],
[1, 0, 1],
[1, 1, 0],
],
[
[0, 1, 0],
[1, 0, 0],
[0, 0, 0],
],
])
mask = torch.tensor([[1, 1, 1], [1, 1, 0]], dtype=torch.bool)
dense_out = dense_conv(x, adj, mask)
assert dense_out.size() == (2, 3, channels)
assert dense_out[1, 2].abs().sum().item() == 0
dense_out = dense_out.view(6, channels)[:-1]
assert torch.allclose(sparse_out, dense_out, atol=1e-04)
def test_dense_sage_conv_with_broadcasting():
batch_size, num_nodes, channels = 8, 3, 16
conv = DenseSAGEConv(channels, channels)
x = torch.randn(batch_size, num_nodes, channels)
adj = torch.Tensor([
[0, 1, 1],
[1, 0, 1],
[1, 1, 0],
])
assert conv(x, adj).size() == (batch_size, num_nodes, channels)
mask = torch.tensor([1, 1, 1], dtype=torch.bool)
assert conv(x, adj, mask).size() == (batch_size, num_nodes, channels)
def __init__(self,
in_channels,
hidden_channels,
out_channels,
lin=True,
norm=True,
norm_embed=True):
super(GNN, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels, norm,
norm_embed)
self.bn1 = torch.nn.BatchNorm1d(hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, hidden_channels, norm,
norm_embed)
self.bn2 = torch.nn.BatchNorm1d(hidden_channels)
self.conv3 = DenseSAGEConv(hidden_channels, out_channels, norm,
norm_embed)
self.bn3 = torch.nn.BatchNorm1d(out_channels)
if lin is True:
self.lin = torch.nn.Linear(2 * hidden_channels + out_channels,
out_channels)
else:
self.lin = None
def __init__(self, in_channels, hidden_channels, out_channels):
super(Block_3hop, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, hidden_channels)
self.conv2 = DenseSAGEConv(hidden_channels, hidden_channels)
self.conv3 = DenseSAGEConv(hidden_channels, out_channels)
def __init__(
self,
in_channels=1,
hidden_channels=1,
out_channels=1,
normalize=False,
add_loop=False,
gnn_k=1,
gnn_type=1,
jump=None, #None,max,lstm
res=False,
activation='leaky'):
super(GNN, self).__init__()
self.add_loop = add_loop
self.in_channels = in_channels
self.bn1 = torch.nn.BatchNorm1d(hidden_channels)
self.bn2 = torch.nn.BatchNorm1d(out_channels)
self.k = gnn_k #number of repitiions of gnn
self.gnn_type = gnn_type
self.jump = jump
if not (jump is None):
if jump != 'lstm':
self.jk = JumpingKnowledge(jump)
else:
self.jk = JumpingKnowledge(jump, out_channels, gnn_k)
if activation == 'leaky':
self.activ = F.leaky_relu
elif activation == 'elu':
self.activ = F.elu
elif activation == 'relu':
self.activ = F.relu
self.res = res
if self.gnn_type in [10, 12] and self.res == True:
raise Exception('res must be false when gnn_type==10 or 12!')
if self.k == 1 and self.res == True:
raise Exception('res must be false when gnn_k==1!')
if self.k == 1 and not (self.jump is None):
raise Exception(
'jumping knowledge only serves for the case where k>1!')
if gnn_type == 0:
self.conv1 = DenseSAGEConv(in_channels=self.in_channels,
out_channels=out_channels,
normalize=False)
self.conv2 = DenseSAGEConv(in_channels=hidden_channels,
out_channels=out_channels,
normalize=False)
if gnn_type == 1:
self.conv1 = DenseSAGEConv(in_channels=self.in_channels,
out_channels=out_channels,
normalize=True)
self.conv2 = DenseSAGEConv(in_channels=hidden_channels,
out_channels=out_channels,
normalize=True)
if gnn_type == 2:
self.conv1 = GCNConv(in_channels=1,
out_channels=out_channels,
cached=False)
self.conv2 = GCNConv(in_channels=hidden_channels,
out_channels=out_channels,
cached=False)
if gnn_type == 3:
self.conv1 = GCNConv(in_channels=1,
out_channels=out_channels,
improved=True,
cached=False)
self.conv2 = GCNConv(in_channels=hidden_channels,
out_channels=out_channels,
improved=True,
cached=False)
if gnn_type == 4:
self.conv1 = ChebConv(in_channels=1,
out_channels=out_channels,
K=2)
self.conv2 = ChebConv(in_channels=hidden_channels,
out_channels=out_channels,
K=2)
if gnn_type == 5:
self.conv1 = ChebConv(in_channels=1,
out_channels=out_channels,
K=4)
self.conv2 = ChebConv(in_channels=hidden_channels,
out_channels=out_channels,
K=4)
if gnn_type == 6:
self.conv1 = GraphConv(in_channels=1,
out_channels=out_channels,
aggr='add')
self.conv2 = GraphConv(in_channels=hidden_channels,
out_channels=out_channels,
aggr='add')
if gnn_type == 7:
self.conv1 = GatedGraphConv(out_channels=out_channels,
num_layers=3,
aggr='add',
bias=True)
self.conv2 = GatedGraphConv(out_channels=out_channels,
num_layers=3,
aggr='add',
bias=True)
if gnn_type == 8:
self.conv1 = GatedGraphConv(out_channels=out_channels,
num_layers=7,
aggr='add',
bias=True)
self.conv2 = GatedGraphConv(out_channels=out_channels,
num_layers=7,
aggr='add',
bias=True)
if gnn_type == 9:
self.conv1 = GATConv(in_channels=1,
out_channels=out_channels,
heads=1,
concat=True,
negative_slope=0.2,
dropout=0)
self.conv2 = GATConv(in_channels=hidden_channels,
out_channels=out_channels,
heads=1,
concat=True,
negative_slope=0.2,
dropout=0.6)
if gnn_type == 10:
self.conv1 = GATConv(in_channels=1,
out_channels=out_channels,
heads=6,
concat=False,
negative_slope=0.2,
dropout=0.6)
self.conv2 = GATConv(in_channels=hidden_channels,
out_channels=out_channels,
heads=6,
concat=False,
negative_slope=0.2,
dropout=0.6)
if gnn_type == 11:
self.conv1 = GATConv(in_channels=1,
out_channels=out_channels,
heads=4,
concat=True,
negative_slope=0.2,
dropout=0)
self.conv2 = GATConv(in_channels=hidden_channels,
out_channels=out_channels,
heads=4,
concat=True,
negative_slope=0.2,
dropout=0.6)
if gnn_type == 12:
self.conv1 = GATConv(in_channels=1,
out_channels=out_channels,
heads=4,
concat=False,
negative_slope=0.2,
dropout=0.6)
self.conv2 = GATConv(in_channels=hidden_channels,
out_channels=out_channels,
heads=4,
concat=False,
negative_slope=0.2,
dropout=0.6)
if gnn_type == 13:
self.conv1 = AGNNConv(requires_grad=True)
self.conv2 = AGNNConv(requires_grad=True)
if gnn_type == 14:
self.conv1 = ARMAConv(in_channels=1,
out_channels=hidden_channels,
num_stacks=1,
num_layers=1,
shared_weights=False,
act=F.relu,
dropout=0.5,
bias=True)
self.conv2 = ARMAConv(in_channels=hidden_channels,
out_channels=out_channels,
num_stacks=1,
num_layers=1,
shared_weights=False,
act=F.relu,
dropout=0.5,
bias=True)
if gnn_type == 15:
self.conv1 = SGConv(in_channels=1,
out_channels=out_channels,
K=1,
cached=True,
bias=True)
self.conv2 = SGConv(in_channels=hidden_channels,
out_channels=out_channels,
K=1,
cached=True,
bias=True)
if gnn_type == 16:
self.conv1 = SGConv(in_channels=1,
out_channels=out_channels,
K=3,
cached=True,
bias=True)
self.conv2 = SGConv(in_channels=hidden_channels,
out_channels=out_channels,
K=3,
cached=True,
bias=True)
if gnn_type == 17:
self.conv1 = APPNP(K=1, alpha=0.2, bias=True)
self.conv2 = APPNP(K=1, alpha=0.2, bias=True)
if gnn_type == 18:
self.conv1 = APPNP(K=3, alpha=0.2, bias=True)
self.conv2 = APPNP(K=3, alpha=0.2, bias=True)
if gnn_type == 19:
self.conv1 = RGCNConv(in_channels=1,
out_channels=out_channels,
num_relations=3,
num_bases=2,
bias=True)
self.conv2 = RGCNConv(in_channels=hidden_channels,
out_channels=out_channels,
num_relations=3,
num_bases=2,
bias=True)
# =============================================================================
# if gnn_type==20:
# self.conv1 = SignedConv(in_channels=1, out_channels=out_channels, first_aggr=True, bias=True)
# self.conv2 = SignedConv(in_channels=hidden_channels, out_channels=out_channels, first_aggr=True, bias=True)
# if gnn_type==21:
# self.conv1 =SignedConv(in_channels=1, out_channels=out_channels, first_aggr=False, bias=True)
# self.conv2 =SignedConv(in_channels=hidden_channels, out_channels=out_channels, first_aggr=False, bias=True)
# if gnn_type==22:
# self.conv1 = GMMConv(in_channels=1, out_channels=out_channels, dim=2, kernel_size=3, bias=True)
# self.conv2 = GMMConv(in_channels=hidden_channels, out_channels=out_channels, dim=2, kernel_size=3, bias=True)
# if gnn_type==23:
# self.conv1 = GMMConv(in_channels=1, out_channels=out_channels, dim=5, kernel_size=3, bias=True)
# self.conv2 = GMMConv(in_channels=hidden_channels, out_channels=out_channels, dim=5, kernel_size=3, bias=True)
# if gnn_type==24:
# self.conv1 = GMMConv(in_channels=1, out_channels=out_channels, dim=2, kernel_size=3, bias=True)
# self.conv2 = GMMConv(in_channels=hidden_channels, out_channels=out_channels, dim=2, kernel_size=3, bias=True)
# =============================================================================
if gnn_type == 25:
self.conv1 = SplineConv(in_channels=1,
out_channels=out_channels,
dim=2,
kernel_size=3,
is_open_spline=True,
degree=1,
norm=True,
root_weight=True,
bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels,
out_channels=out_channels,
dim=2,
kernel_size=3,
is_open_spline=True,
degree=1,
norm=True,
root_weight=True,
bias=True)
if gnn_type == 26:
self.conv1 = SplineConv(in_channels=1,
out_channels=out_channels,
dim=3,
kernel_size=3,
is_open_spline=False,
degree=1,
norm=True,
root_weight=True,
bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels,
out_channels=out_channels,
dim=3,
kernel_size=3,
is_open_spline=False,
degree=1,
norm=True,
root_weight=True,
bias=True)
if gnn_type == 27:
self.conv1 = SplineConv(in_channels=1,
out_channels=out_channels,
dim=3,
kernel_size=6,
is_open_spline=True,
degree=1,
norm=True,
root_weight=True,
bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels,
out_channels=out_channels,
dim=3,
kernel_size=6,
is_open_spline=True,
degree=1,
norm=True,
root_weight=True,
bias=True)
if gnn_type == 28:
self.conv1 = SplineConv(in_channels=1,
out_channels=out_channels,
dim=3,
kernel_size=3,
is_open_spline=True,
degree=3,
norm=True,
root_weight=True,
bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels,
out_channels=out_channels,
dim=3,
kernel_size=3,
is_open_spline=True,
degree=3,
norm=True,
root_weight=True,
bias=True)
if gnn_type == 29:
self.conv1 = SplineConv(in_channels=1,
out_channels=out_channels,
dim=3,
kernel_size=6,
is_open_spline=True,
degree=3,
norm=True,
root_weight=True,
bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels,
out_channels=out_channels,
dim=3,
kernel_size=6,
is_open_spline=True,
degree=3,
norm=True,
root_weight=True,
bias=True)
def __init__(self,
in_channels=1,
hidden_channels=1,
out_channels=1,
normalize=False,
add_loop=False,
gnn_k=1,
gnn_type=1):
super(GNN, self).__init__()
self.add_loop = add_loop
self.bn1 = torch.nn.BatchNorm1d(hidden_channels)
self.bn2 = torch.nn.BatchNorm1d(out_channels)
self.k=gnn_k#number of repitiions of gnn
self.gnn_type=gnn_type
if gnn_type==0:
self.conv1 = DenseSAGEConv(in_channels=1, out_channels=hidden_channels, normalize=False)
self.conv2 = DenseSAGEConv(in_channels=hidden_channels, out_channels=out_channels, normalize=False)
if gnn_type==1:
self.conv1 = DenseSAGEConv(in_channels=1, out_channels=hidden_channels, normalize=True)
self.conv2 = DenseSAGEConv(in_channels=hidden_channels, out_channels=out_channels, normalize=True)
if gnn_type==2:
self.conv1 = GCNConv(in_channels=1, out_channels=hidden_channels, cached=True)
self.conv2 = GCNConv(in_channels=hidden_channels, out_channels=out_channels, cached=True)
if gnn_type==3:
self.conv1 = GCNConv(in_channels=1, out_channels=hidden_channels,improved=True, cached=True)
self.conv2 = GCNConv(in_channels=hidden_channels, out_channels=out_channels,improved=True, cached=True)
if gnn_type==4:
self.conv1 = ChebConv(in_channels=1, out_channels=hidden_channels,K=2)
self.conv2 = ChebConv(in_channels=hidden_channels, out_channels=out_channels,K=2)
if gnn_type==5:
self.conv1 = ChebConv(in_channels=1, out_channels=hidden_channels,K=4)
self.conv2 = ChebConv(in_channels=hidden_channels, out_channels=out_channels,K=4)
if gnn_type==6:
self.conv1 = GraphConv(in_channels=1, out_channels=hidden_channels,aggr='add')
self.conv2 = GraphConv(in_channels=hidden_channels, out_channels=out_channels,aggr='add')
if gnn_type==7:
self.conv1 = GatedGraphConv(in_channels=1,out_channels=hidden_channels, num_layers=3, aggr='add', bias=True)
self.conv2 = GatedGraphConv(in_channels=hidden_channels,out_channels=out_channels, num_layers=3, aggr='add', bias=True)
if gnn_type==8:
self.conv1 = GatedGraphConv(in_channels=1,out_channels=hidden_channels, num_layers=7, aggr='add', bias=True)
self.conv2 = GatedGraphConv(in_channels=hidden_channels,out_channels=out_channels, num_layers=7, aggr='add', bias=True)
if gnn_type==9:
self.conv1 =GATConv(in_channels=1,out_channels=hidden_channels, heads=1, concat=True, negative_slope=0.2,dropout=0.6)
self.conv2 =GATConv(in_channels=hidden_channels,out_channels=out_channels, heads=1, concat=True, negative_slope=0.2,dropout=0.6)
if gnn_type==10:
self.conv1 =GATConv(in_channels=1,out_channels=hidden_channels, heads=6, concat=False, negative_slope=0.2,dropout=0.6)
self.conv2 =GATConv(in_channels=hidden_channels,out_channels=out_channels, heads=6, concat=False, negative_slope=0.2,dropout=0.6)
if gnn_type==11:
self.conv1 =GATConv(in_channels=1,out_channels=hidden_channels, heads=4, concat=True, negative_slope=0.2,dropout=0.6)
self.conv2 =GATConv(in_channels=hidden_channels,out_channels=out_channels, heads=4, concat=True, negative_slope=0.2,dropout=0.6)
if gnn_type==12:
self.conv1 =GATConv(in_channels=1,out_channels=hidden_channels, heads=4, concat=False, negative_slope=0.2,dropout=0.6)
self.conv2 =GATConv(in_channels=hidden_channels,out_channels=out_channels, heads=4, concat=False, negative_slope=0.2,dropout=0.6)
if gnn_type==13:
self.conv1 = AGNNConv(requires_grad=True)
self.conv2 = AGNNConv(requires_grad=True)
if gnn_type==14:
self.conv1 = ARMAConv(in_channels=1, out_channel=hidden_channels, num_stacks=1, num_layers=1, \
shared_weights=False, act=F.relu, dropout=0.5, bias=True)
self.conv2 = ARMAConv(in_channels=hidden_channels, out_channel=out_channels, num_stacks=1, num_layers=1, \
shared_weights=False, act=F.relu, dropout=0.5, bias=True)
if gnn_type==15:
self.conv1 = SGConv(in_channels=1, out_channels=hidden_channels, K=1, cached=True, bias=True)
self.conv2 = SGConv(in_channels=hidden_channels, out_channels=out_channels, K=1, cached=True, bias=True)
if gnn_type==16:
self.conv1 = SGConv(in_channels=1, out_channels=hidden_channels, K=3, cached=True, bias=True)
self.conv2 = SGConv(in_channels=hidden_channels, out_channels=out_channels, K=3, cached=True, bias=True)
if gnn_type==17:
self.conv1 = APPNP(K=1, alpha=0.2, bias=True)
self.conv2 = APPNP(K=1, alpha=0.2, bias=True)
if gnn_type==18:
self.conv1 = APPNP(K=3, alpha=0.2, bias=True)
self.conv2 = APPNP(K=3, alpha=0.2, bias=True)
if gnn_type==19:
self.conv1 =RGCNConv(in_channels=1, out_channels=hidden_channels, num_relations=3, num_bases=2, bias=True)
self.conv2 =RGCNConv(in_channels=hidden_channels, out_channels=out_channels, num_relations=3, num_bases=2, bias=True)
# =============================================================================
# if gnn_type==20:
# self.conv1 = SignedConv(in_channels=1, out_channels=hidden_channels, first_aggr=True, bias=True)
# self.conv2 = SignedConv(in_channels=hidden_channels, out_channels=out_channels, first_aggr=True, bias=True)
# if gnn_type==21:
# self.conv1 =SignedConv(in_channels=1, out_channels=hidden_channels, first_aggr=False, bias=True)
# self.conv2 =SignedConv(in_channels=hidden_channels, out_channels=out_channels, first_aggr=False, bias=True)
# if gnn_type==22:
# self.conv1 = GMMConv(in_channels=1, out_channels=hidden_channels, dim=2, kernel_size=3, bias=True)
# self.conv2 = GMMConv(in_channels=hidden_channels, out_channels=out_channels, dim=2, kernel_size=3, bias=True)
# if gnn_type==23:
# self.conv1 = GMMConv(in_channels=1, out_channels=hidden_channels, dim=5, kernel_size=3, bias=True)
# self.conv2 = GMMConv(in_channels=hidden_channels, out_channels=out_channels, dim=5, kernel_size=3, bias=True)
# if gnn_type==24:
# self.conv1 = GMMConv(in_channels=1, out_channels=hidden_channels, dim=2, kernel_size=3, bias=True)
# self.conv2 = GMMConv(in_channels=hidden_channels, out_channels=out_channels, dim=2, kernel_size=3, bias=True)
# =============================================================================
if gnn_type==25:
self.conv1 = SplineConv(in_channels=1, out_channels=hidden_channels, dim=2, kernel_size=3, is_open_spline=True, \
degree=1, norm=True, root_weight=True, bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels, out_channels=out_channels, dim=2, kernel_size=3, is_open_spline=True, \
degree=1, norm=True, root_weight=True, bias=True)
if gnn_type==26:
self.conv1 = SplineConv(in_channels=1, out_channels=hidden_channels, dim=3, kernel_size=3, is_open_spline=False, \
degree=1, norm=True, root_weight=True, bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels, out_channels=out_channels, dim=3, kernel_size=3, is_open_spline=False, \
degree=1, norm=True, root_weight=True, bias=True)
if gnn_type==27:
self.conv1 = SplineConv(in_channels=1, out_channels=hidden_channels, dim=3, kernel_size=6, is_open_spline=True, \
degree=1, norm=True, root_weight=True, bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels, out_channels=out_channels, dim=3, kernel_size=6, is_open_spline=True, \
degree=1, norm=True, root_weight=True, bias=True)
if gnn_type==28:
self.conv1 = SplineConv(in_channels=1, out_channels=hidden_channels, dim=3, kernel_size=3, is_open_spline=True, \
degree=3, norm=True, root_weight=True, bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels, out_channels=out_channels, dim=3, kernel_size=3, is_open_spline=True, \
degree=3, norm=True, root_weight=True, bias=True)
if gnn_type==29:
self.conv1 = SplineConv(in_channels=1, out_channels=hidden_channels, dim=3, kernel_size=6, is_open_spline=True, \
degree=3, norm=True, root_weight=True, bias=True)
self.conv2 = SplineConv(in_channels=hidden_channels, out_channels=out_channels, dim=3, kernel_size=6, is_open_spline=True, \
degree=3, norm=True, root_weight=True, bias=True)
def __init__(self, in_channels, hidden_channels, out_channels, jp=False):
super(Block_1hop, self).__init__()
self.conv1 = DenseSAGEConv(in_channels, out_channels)