def run(self):
path = self.path
nx_graphs, total_edges = Reader.multi_readG(path)
r_list, nx_graphs_sampled = Sampler.multi_sampling(path, self.s_p)
print('%d edges sampled, graph length is %d' %
(len(r_list), len(nx_graphs_sampled)))
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled, self.p, self.q)
MK_G.preprocess_transition_probs()
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
r_set = set([node for edge in r_list for node in edge])
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, nx_graphs,
r_set, self.e_p)
M_precision = eval_p.eval()
print("*** Merged graph precision: ", M_precision)
def run(self):
path = self.path
#### Step 1: reading and sampling graphs
nx_graphs, airport_mapping, airport_dst = Reader.read_airline(path)
print(nx_graphs[0].nodes())
r_set = set()
if self.flag == 0 or self.flag == 4:
w_dict = {}
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs, self.p, self.q,
self.r)
MK_G.preprocess_transition_probs(w_dict, 1)
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, nx_graphs,
r_set, self.e_p)
precision, recall, F = eval_p.edge_list_eval(
airport_dst, airport_mapping)
print("*** MKII Random: precision %f, accuracy %f, F %f" %
(precision, recall, F))
'''
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs, nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Random AUC:", M_auc)
'''
print(
"-----------------------DONE--------------------------------")
def run(self):
path = self.path
#### Step 1: reading and sampling graphs
m_graph, nx_graphs, total_edges = Reader.multi_readG_with_Merg(path)
print("%d total nodes" % len(m_graph.nodes()))
r_list, m_graph_sampled, nx_graphs_sampled = Sampler.multi_sampling_with_Merg(
path, self.s_p)
print(
"%d edges before sampling, %d edges after sampling. sampled %d " %
(len(m_graph.edges()), len(m_graph_sampled.edges()), len(r_list)))
r_set = set([node for edge in r_list for node in edge])
if self.flag == 0 or self.flag == 1:
#### Step 2: Aggregated graph
#for i in range(2):
M_G = Node2Vec.Graph(m_graph_sampled, self.p, self.q)
M_G.preprocess_transition_probs()
M_walks = M_G.simulate_walks(self.num_walks, self.walk_length)
M_words = []
for walk in M_walks:
M_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(M_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, m_graph,
r_set, self.e_p)
precision, recall, F = eval_p.eval()
print("*** Aggregated graph: precision %f, accuracy %f, F %f " %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, m_graph,
m_graph_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ Merged graph AUC:", M_auc)
print(
"-----------------------DONE--------------------------------")
#### Step 3: Aggregated result
if self.flag == 0 or self.flag == 2:
T_matrix = {}
T_mapping = {}
for g in nx_graphs_sampled:
#print(g.edges())
G = Node2Vec.Graph(g, self.p, self.q)
G.preprocess_transition_probs()
walks = G.simulate_walks(self.num_walks, self.walk_length)
words = []
for walk in walks:
words.extend([str(step) for step in walk])
L = Word2Vec.Learn(words)
matrix, mapping = L.train()
T_matrix[g] = matrix
T_mapping[g] = mapping
eval_p_s = Evaluator.combining_Precision_Eval(
T_matrix, T_mapping, nx_graphs, r_set, self.e_p)
precision, recall, F = eval_p_s.eval()
print("*** Aggregated result: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.combining_AUC_Eval(T_matrix, T_mapping,
nx_graphs, nx_graphs_sampled)
S_auc = eval_a.eval_auc(1)
print('@@@ Separated garph AUC:', S_auc)
print(
"-----------------------DONE--------------------------------")
#### Step 4: MKII verification
if self.flag == 0 or self.flag == 3:
graph_list_sampled = []
graph_list_sampled.append(m_graph_sampled)
graph_list = []
graph_list.append(m_graph)
w_dict = {}
MK_G = Node2Vec_LayerSelect.Graph(graph_list, self.p, self.q,
self.r)
MK_G.preprocess_transition_probs(w_dict, 1)
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping,
graph_list[0], r_set, self.e_p)
precision, recall, F = eval_p.eval()
print("*** MKII verification: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, m_graph,
m_graph_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ Merged graph AUC:", M_auc)
print(
"-----------------------DONE--------------------------------")
#### Step 5: MKII Random
if self.flag == 0 or self.flag == 4:
w_dict = Reader.weight(self.path)
#print(w_dict)
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled, self.p,
self.q, self.r)
MK_G.preprocess_transition_probs(w_dict, 1)
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, nx_graphs,
r_set, self.e_p)
precision, recall, F = eval_p.eval()
print("*** MKII Random: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs,
nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Random AUC:", M_auc)
print(
"-----------------------DONE--------------------------------")
#### Step 6: MKII Weighted
if self.flag == 0 or self.flag == 4:
w_dict = Reader.weight(self.path)
#print(w_dict)
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled, self.p,
self.q, self.r)
MK_G.preprocess_transition_probs(w_dict, 2)
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, nx_graphs,
r_set, self.e_p)
precision, recall, F = eval_p.eval()
print("*** MKII Weighted: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs,
nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Weighted AUC:", M_auc)
print(
"-----------------------DONE--------------------------------")
#### Step 7: MKII Biased
if self.flag == 0 or self.flag == 4:
w_dict = Reader.weight(self.path)
#print(w_dict)
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled, self.p,
self.q, self.r)
MK_G.preprocess_transition_probs(w_dict, 0)
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, nx_graphs,
r_set, self.e_p)
precision, recall, F = eval_p.eval()
print("*** MKII Biased: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs,
nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Biased AUC:", M_auc)
print(
"-----------------------DONE--------------------------------")
#### Step 8: MKII Biased_ii
if self.flag == 0 or self.flag == 4:
w_dict = Reader.weight(self.path)
#print(w_dict)
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled, self.p,
self.q, self.r)
MK_G.preprocess_transition_probs(w_dict, 3)
MK_walks = MK_G.simulate_walks(self.num_walks, self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping, nx_graphs,
r_set, self.e_p)
precision, recall, F = eval_p.eval()
print("*** MKII Biased_ii: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs,
nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Biased_ii AUC:", M_auc)
print(
"-----------------------DONE--------------------------------")
if self.flag == 4:
for r in range(11):
r_t = r / 10.0
if r_t == 0:
w_dict = Reader.weight(self.path)
#print(w_dict)
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled,
self.p, self.q, 0.1)
MK_G.preprocess_transition_probs(w_dict, 1)
MK_walks = MK_G.simulate_walks(self.num_walks,
self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping,
nx_graphs, r_set,
self.e_p)
precision, recall, F = eval_p.eval()
print("*** MKII Random: precision %f, accuracy %f, F %f" %
(precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs,
nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Random AUC:", M_auc)
print(
"-----------------------DONE--------------------------------"
)
else:
w_dict = Reader.weight(self.path)
#print(w_dict)
MK_G = Node2Vec_LayerSelect.Graph(nx_graphs_sampled,
self.p, self.q, r_t)
MK_G.preprocess_transition_probs(w_dict, 3)
MK_walks = MK_G.simulate_walks(self.num_walks,
self.walk_length)
MK_words = []
for walk in MK_walks:
MK_words.extend([str(step) for step in walk])
M_L = Word2Vec.Learn(MK_words)
M_matrix, M_mapping = M_L.train()
eval_p = Evaluator.Precision_Eval(M_matrix, M_mapping,
nx_graphs, r_set,
self.e_p)
precision, recall, F = eval_p.eval()
print(
"*** MKII Biased_ii with %f: precision %f, accuracy %f, F %f"
% (r_t, precision, recall, F))
eval_a = Evaluator.AUC_Eval(M_matrix, M_mapping, nx_graphs,
nx_graphs_sampled)
M_auc = eval_a.eval_auc(1)
print("@@@ MKII Biased_ii AUC:", M_auc)
#### Step 9: CommoneNeighbors and Jaccard
if self.flag == 0 or self.flag == 5:
p = link_pred.Prediction()
v_set = p.create_vertex(m_graph.edges())
matrix_perm = p.create_adjmatrix(
[edge for edge in itertools.combinations(r_set, 2)], v_set)
matrix_ori = p.create_adjmatrix(m_graph.edges(), v_set)
matrix_samp = p.create_adjmatrix(m_graph_sampled.edges(), v_set)
cn = link_pred.CommonNeighbors()
score_cn = cn.fit(matrix_ori)
C_precision, C_recall, C_F = p.acc(score_cn, matrix_ori,
matrix_perm, self.e_p)
print("*** CommonNeighbors: precision %f, accuracy %f, F %f" %
(C_precision, C_recall, C_F))
C_auc = p.auc_score(score_cn, matrix_ori, matrix_samp, "cc")
print("@@@ CommonNeighbors: AUC %f", C_auc)
ja = link_pred.Jaccard()
score_ja = ja.fit(matrix_ori)
J_precision, J_recall, J_F = p.acc(score_ja, matrix_ori,
matrix_perm, self.e_p)
print("*** Jaccard: precision %f, accuracy %f, F %f" %
(J_precision, J_recall, J_F))
J_auc = p.auc_score(score_ja, matrix_ori, matrix_samp, "cc")
print("@@@ Jaccard: AUC %f", J_auc)
print(
"-----------------------DONE--------------------------------")
def run(self):
path = self.path
online_dir = path + "online/"
online_graphs, _ = Reader.multi_readG(online_dir)
offline_dir = path + "offline/"
offline_graphs, _ = Reader.multi_readG(offline_dir)
### Step 1: learing with N2V MKII
if self.flag == 0 or self.flag == 1:
off_G = Node2Vec_LayerSelect.Graph(offline_graphs, self.p, self.q)
off_G.preprocess_transition_probs()
off_walks = off_G.simulate_walks(self.num_walks, self.walk_length)
off_words = []
for walk in off_walks:
off_words.extend([str(step) for step in walk])
off_L = Word2Vec.Learn(off_words)
off_matrix, off_mapping = off_L.train()
on_G = Node2Vec_LayerSelect.Graph(online_graphs, self.p, self.q)
on_G.preprocess_transition_probs()
on_walks = on_G.simulate_walks(self.num_walks, self.walk_length)
on_words = []
for walk in on_walks:
on_words.extend([str(step) for step in walk])
on_L = Word2Vec.Learn(on_words)
on_matrix, on_mapping = on_L.train()
off_perm_list = common_nodes(off_mapping, online_graphs)
off_eval = Evaluator.Precision_Eval(off_matrix, off_mapping,
online_graphs, off_perm_list,
self.e_p)
off_precision = off_eval.eval()
print("*** Off to on MKII precision: ", off_precision)
off_eval_a = Evaluator.AUC_Eval(off_matrix, off_mapping,
online_graphs, offline_graphs)
off_auc = off_eval_a.eval_auc(0)
print("@@@ Off to on MKII AUC:", off_auc)
on_perm_list = common_nodes(on_mapping, offline_graphs)
on_eval = Evaluator.Precision_Eval(on_matrix, on_mapping,
offline_graphs, on_perm_list,
self.e_p)
on_precision = on_eval.eval()
print("*** On to off MKII precision: ", on_precision)
on_eval_a = Evaluator.AUC_Eval(on_matrix, on_mapping,
offline_graphs, online_graphs)
on_auc = on_eval_a.eval_auc(0)
print("@@@ On to off MKII AUC:", on_auc)
if self.flag == 0 or self.flag == 2:
on_matrix = {}
on_mapping = {}
on_perm_list = []
for g in online_graphs:
G = Node2Vec.Graph(g, self.p, self.q)
G.preprocess_transition_probs()
walks = G.simulate_walks(self.num_walks, self.walk_length)
words = []
for walk in walks:
words.extend([str(step) for step in walk])
L = Word2Vec.Learn(words)
matrix, mapping = L.train()
on_matrix[g] = matrix
on_mapping[g] = mapping
on_perm_list.extend(common_nodes(mapping, offline_graphs))
on_perm_list = set([node for node in on_perm_list])
#print(on_perm_list)
#print(on_mapping)
eval_p_on = Evaluator.combining_Precision_Eval(
on_matrix, on_mapping, offline_graphs, on_perm_list, self.e_p)
on_precision = eval_p_on.eval()
print("*** on to off precision: ", on_precision)
on_eval_a = Evaluator.combining_AUC_Eval(on_matrix, on_mapping,
offline_graphs,
online_graphs)
on_auc = on_eval_a.eval_auc(0)
print("@@@ On to off AUC:", on_auc)
off_matrix = {}
off_mapping = {}
off_perm_list = []
for g in offline_graphs:
G = Node2Vec.Graph(g, self.p, self.q)
G.preprocess_transition_probs()
walks = G.simulate_walks(self.num_walks, self.walk_length)
words = []
for walk in walks:
words.extend([str(step) for step in walk])
L = Word2Vec.Learn(words)
matrix, mapping = L.train()
off_matrix[g] = matrix
off_mapping[g] = mapping
off_perm_list.extend(common_nodes(mapping, online_graphs))
off_perm_list = set([node for node in off_perm_list])
eval_p_off = Evaluator.combining_Precision_Eval(
off_matrix, off_mapping, online_graphs, off_perm_list,
self.e_p)
off_precision = eval_p_off.eval()
print("*** off to on precision: ", off_precision)
off_eval_a = Evaluator.combining_AUC_Eval(off_matrix, off_mapping,
online_graphs,
offline_graphs)
off_auc = off_eval_a.eval_auc(0)
print("@@@ Off to on AUC:", off_auc)
