Files
Achyudh Ram f0a5c370bc Fix KimCNN for SST, AAPD datasets (#157)
* Add ReutersTrainer, ReutersEvaluator options in Factory classes

* Add Reuters to Kim-CNN command line arguments

* Fix SST dataset path according to changes in Kim-CNN args

The dataset path in args.py was made to point at the dataset folder rather than dataset/SST folder. Hence SST folder was added to paths in the SST dataset class

* Add Reuters dataset class, and support in __main__

* Add Reuters dataset trainers and evaluators

* Remove debug print statement in reuters_evaluator

* Fix rounding bug in reuters_trainer and reuters_evaluator

* Add LSTM for baseline text classification measurements

* Add eval metrics for lstm_baseline

* Set batch_first param in lstm_baseline

* Remove onnx args from lstm_baseline

* Pack padded sequences in LSTM_baseline

* Add TensorBoardX support for Reuters trainer

* Add Arxiv Academic Paper Dataset (AAPD)

* Add Hidden Bottleneck Layer to BiLSTM

* Fix packing of padded tensors in Reuters

* Add cmdline args for Hidden Bottleneck Layer for BiLSTM

* Include pre-padding lengths in AAPD dataset

* Remove duplication of preprocessing code in AAPD

* Remove batch_size condition in ReutersTrainer

* Add ignore_lengths option to ReutersTrainer and ReutersEvaluator

* Add AAPDCharQuantized and ReutersCharQuantized

* Rename Reuters_hierarchical to ReutersHierarchical

* Add CharacterCNN for document classification

* Update README.md for CharacterCNN

* Fix table in README.md for CharacterCNN

* Add AAPDHierarchical for HAN

* Update HAN for changes in Reuters dataset endpoints

* Fix bug in CharCNN when running on CPU

* Add AAPD dataset support for KimCNN

* Fix dataset paths for SST-1
2018-11-05 15:42:28 -05:00

105 lines
4.0 KiB
Python

import os
import re
import torch
from torchtext.data import Field, TabularDataset
from torchtext.data.iterator import BucketIterator
from torchtext.vocab import Vectors
def clean_str_sst(string):
"""
Tokenization/string cleaning for the SST dataset
"""
string = re.sub(r"[^A-Za-z0-9(),!?\'\`]", " ", string)
string = re.sub(r"\s{2,}", " ", string)
return string.lower().strip().split()
class SST1(TabularDataset):
NAME = 'SST-1'
NUM_CLASSES = 5
TEXT_FIELD = Field(batch_first=True, tokenize=clean_str_sst)
LABEL_FIELD = Field(sequential=False, use_vocab=False, batch_first=True)
@staticmethod
def sort_key(ex):
return len(ex.text)
@classmethod
def splits(cls, path, train=os.path.join('SST', 'stsa.fine.phrases.train'),
validation=os.path.join('SST', 'stsa.fine.dev'), test= os.path.join('SST', 'stsa.fine.test'), **kwargs):
return super(SST1, cls).splits(
path, train=train, validation=validation, test=test,
format='tsv', fields=[('label', cls.LABEL_FIELD), ('text', cls.TEXT_FIELD)]
)
@classmethod
def iters(cls, path, vectors_name, vectors_cache, batch_size=64, shuffle=True, device=0, vectors=None,
unk_init=torch.Tensor.zero_):
"""
:param path: directory containing train, test, dev files
:param vectors_name: name of word vectors file
:param vectors_cache: path to directory containing word vectors file
:param batch_size: batch size
:param device: GPU device
:param vectors: custom vectors - either predefined torchtext vectors or your own custom Vector classes
:param unk_init: function used to generate vector for OOV words
:return:
"""
if vectors is None:
vectors = Vectors(name=vectors_name, cache=vectors_cache, unk_init=unk_init)
train, val, test = cls.splits(path)
cls.TEXT_FIELD.build_vocab(train, val, test, vectors=vectors)
return BucketIterator.splits((train, val, test), batch_size=batch_size, repeat=False, shuffle=shuffle,
sort_within_batch=True, device=device)
class SST2(TabularDataset):
NAME = 'SST-2'
NUM_CLASSES = 5
TEXT_FIELD = Field(batch_first=True, tokenize=clean_str_sst)
LABEL_FIELD = Field(sequential=False, use_vocab=False, batch_first=True)
@staticmethod
def sort_key(ex):
return len(ex.text)
@classmethod
def splits(cls, path, train=os.path.join('SST', 'stsa.binary.phrases.train'),
validation=os.path.join('SST', 'stsa.binary.dev'), test=os.path.join('SST', 'stsa.binary.test'), **kwargs):
return super(SST2, cls).splits(
path, train=train, validation=validation, test=test,
format='tsv', fields=[('label', cls.LABEL_FIELD), ('text', cls.TEXT_FIELD)]
)
@classmethod
def iters(cls, path, vectors_name, vectors_cache, batch_size=64, shuffle=True, device=0, vectors=None,
unk_init=torch.Tensor.zero_):
"""
:param path: directory containing train, test, dev files
:param vectors_name: name of word vectors file
:param vectors_cache: path to directory containing word vectors file
:param batch_size: batch size
:param device: GPU device
:param vectors: custom vectors - either predefined torchtext vectors or your own custom Vector classes
:param unk_init: function used to generate vector for OOV words
:return:
"""
if vectors is None:
vectors = Vectors(name=vectors_name, cache=vectors_cache, unk_init=unk_init)
train, val, test = cls.splits(path)
cls.TEXT_FIELD.build_vocab(train, val, test, vectors=vectors)
return BucketIterator.splits((train, val, test), batch_size=batch_size, repeat=False, shuffle=shuffle,
sort_within_batch=True, device=device)