pub fn link_by_path_match(
src_id: &FragmentId,
ref_str: &str,
idx: &FragmentIndex,
edges: &mut EdgeDict,
weight: f64,
reverse_factor: f64,
)pub fn link_by_path_match(
src_id: &FragmentId,
ref_str: &str,
idx: &FragmentIndex,
edges: &mut EdgeDict,
weight: f64,
reverse_factor: f64,
)