def parse_nblist(self, obs, verbose=False, *args, **kwargs):
"""
Parses n-best list by parsing each item on the list and then merging
the results.
"""
utterance_list = obs['utt_nbl']
if len(utterance_list) == 0:
raise DAILRException("Empty utterance N-best list.")
return self.parse_X(utterance_list, verbose)
def get_features(self, obs, fvc, fvcs):
"""
Generate utterance features for a specific utterance given by utt_idx.
:param obs: the utterance being processed in multiple formats
:param fvc: a form, value category tuple describing how the utterance should be abstracted
:return: a set of features from the utterance
"""
if isinstance(obs, Utterance):
return self.get_features_in_utterance(obs, fvc, fvcs)
elif isinstance(obs, UtteranceNBList):
return self.get_features_in_nblist(obs, fvc, fvcs)
elif isinstance(obs, UtteranceConfusionNetwork):
return self.get_features_in_confnet(obs, fvc, fvcs)
else:
raise DAILRException("Unsupported observations.")
def get_fvc(self, obs):
"""
This function returns the form, value, category label tuple for any of the following classses
- Utterance
- UttranceNBList
- UtteranceConfusionNetwork
:param obs: the utterance being processed in multiple formats
:return: a list of form, value, and category label tuples found in the input sentence
"""
if isinstance(obs, Utterance):
return self.get_fvc_in_utterance(obs)
elif isinstance(obs, UtteranceNBList):
return self.get_fvc_in_nblist(obs)
elif isinstance(obs, UtteranceConfusionNetwork):
return self.get_fvc_in_confnet(obs)
else:
raise DAILRException("Unsupported observations.")