def affinity(X):
"""Compute pairwise distances between (author, affiliation) tuples.
Note that this function is a heuristic. It should ideally be replaced
by a more robust distance function, e.g. using a model learned over
pairs of tuples.
"""
distances = np.zeros((len(X), len(X)), dtype=np.float)
for i, j in zip(*np.triu_indices(len(X), k=1)):
name_i = normalize_name(X[i, 0])
aff_i = X[i, 1]
initials_i = name_initials(name_i)
name_j = normalize_name(X[j, 0])
aff_j = X[j, 1]
initials_j = name_initials(name_j)
# Names and affiliations match
if name_i == name_j and aff_i == aff_j:
distances[i, j] = 0.0
# Compatible initials and affiliations match
elif (len(initials_i | initials_j) == max(len(initials_i),
len(initials_j))
and aff_i == aff_j and aff_i != ""):
distances[i, j] = 0.0
# Initials are not compatible
elif (len(initials_i | initials_j) != max(len(initials_i),
len(initials_j))):
distances[i, j] = 1.0
# We dont know
else:
distances[i, j] = 0.5
distances += distances.T
return distances
def affinity(X):
"""Compute pairwise distances between (author, affiliation) tuples.
Note that this function is a heuristic. It should ideally be replaced
by a more robust distance function, e.g. using a model learned over
pairs of tuples.
"""
distances = np.zeros((len(X), len(X)), dtype=np.float)
for i, j in zip(*np.triu_indices(len(X), k=1)):
name_i = normalize_name(X[i, 0])
aff_i = X[i, 1]
initials_i = name_initials(name_i)
name_j = normalize_name(X[j, 0])
aff_j = X[j, 1]
initials_j = name_initials(name_j)
# Names and affiliations match
if (name_i == name_j and aff_i == aff_j):
distances[i, j] = 0.0
# Compatible initials and affiliations match
elif (len(initials_i | initials_j) == max(len(initials_i),
len(initials_j)) and
aff_i == aff_j and aff_i != ""):
distances[i, j] = 0.0
# Initials are not compatible
elif (len(initials_i | initials_j) != max(len(initials_i),
len(initials_j))):
distances[i, j] = 1.0
# We dont know
else:
distances[i, j] = 0.5
distances += distances.T
return distances
def get_author_initials(s):
"""Get author initials from the signature.
Parameters
----------
:param s: dict
Signature
Returns
-------
:returns: string
Initials, not separated
"""
v = s["author_name"]
v = v if v else ""
v = "".join(name_initials(v))
return v
def get_author_initials(s):
"""Get author initials from the signature.
Parameters
----------
:param s: dict
Signature
Returns
-------
:returns: string
Initials, not separated
"""
v = s["author_name"]
v = v if v else ""
v = "".join(name_initials(v))
return v
def get_author_initials(s):
v = s["author_name"]
v = v if v else ""
v = "".join(name_initials(v))
return v