jaclearn.nlp.tree.ptb#

PTB-formed constituency trees.

Classes

Functions

parse_ptb(sentence)

Class PTBNode

class PTBNode[source]#

Bases: Node

__init__(vtype, token=None, index=-1)[source]#

__new__(**kwargs)#

append_child(node)#

assign_index(start_index=0)[source]#

attach(father, sibling_ind=-1)#: Attach to a new father.

clone()#

detach()#: Detach from the father.

classmethod from_string(encoding, incl_vtype=True, default_vtype=None)[source]#

insert_child(pos, node)#

remove_child(node)#

to_sentence(to_string=True)[source]#

to_string(to_string=True, compressed=True, vtype=True)[source]#

property breadth#: Breadth is defined as the maximum number of children of nodes in the tree.

property depth#: Depth is defined as the number of nodes on the maximum distance with the root of nodes + 1. (Thus a single nodes will have depth 1.)

property is_leaf#

property leftmost_index#

property lson#

property nr_children#

property nr_leaves#

property rightmost_index#

property rson#

property size#

Functions

parse_ptb(sentence)[source]#