# -*- coding: utf-8 -*-
from typing import List, Tuple
[docs]def chunk_parse(
sent: List[Tuple[str, str]],
engine: str="crf",
corpus: str="orchidpp"
) -> List[str]:
"""
This function parse thai sentence to phrase structure in IOB format.
:param list sent: list [(word,part-of-speech)]
:param str engine: chunk parse engine (now, it has crf only)
:param str corpus: chunk parse corpus (now, it has orchidpp only)
:return: a list of tuple (word,part-of-speech,chunking)
:rtype: List[str]
:Example:
::
from pythainlp.tag import chunk_parse, pos_tag
tokens = ["ผม", "รัก", "คุณ"]
tokens_pos = pos_tag(tokens, engine="perceptron", corpus="orchid")
print(chunk_parse(tokens_pos))
# output: ['B-NP', 'B-VP', 'I-VP']
"""
from .crfchunk import CRFchunk
_engine = CRFchunk()
return _engine.parse(sent)