from dialograph.core.node import NodeState
from dialograph.core.edge import EdgeState


def node_relevance():
    """
    Compute relevance score for a node.
    """
    pass 

def edge_relevance():
    """
    Compute relevance score for an edge.
    """
    pass 

def path_score():
    """
    Combine node & edge relevance into a path score.
    """
    pass 