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This repo combines Transformer Grammar with URNNG structure (that VAE structure).

Data Processing

python preprocess.py --trainfile data/train_02-21.LDC99T42 --valfile data/dev_24.LDC99T42 --testfile data/test_23.LDC99T42 --outputfile data/ptb_20231129 --vocabminfreq 1 --lowercase 0 --replace_num 0 --batchsize 16

Running this will save the following files in the data/ folder: ptb-train.pkl, ptb-val.pkl, ptb-test.pkl, ptb.dict. Here ptb.dict is the word-idx mapping, and you can change the output folder/name by changing the argument to outputfile. Also, the preprocessing here will replace singletons with a single <unk> rather than with Berkeley parser's mapping rules (see below for results using this setup).

We don't consider the tags of the NTs in groundtruths.

Transformer Grammars CMake Building

For Windows 10

  1. Install CMake
  2. Execute these
mkdir .dependencies
cd .dependencies
git clone -b 20220623.1 https://github.com/abseil/abseil-cpp.git
git clone -b 3.4.0 https://gitlab.com/libeigen/eigen.git
git clone -b v2.10.2 https://github.com/pybind/pybind11.git


# Sentencepiece Building
# git clone -b v0.1.97 https://github.com/google/sentencepiece.git
# cd sentencepiece
# mkdir build
# cd build
# cmake ..
# make -j # if not available, that will not matter?

# masking cpp building
# ensure this exists: ./.dependencies
# .dependencies is the sibling of ./masking from the parent directory .

cd ..
mkdir build
cd build
cmake ..
make -j

Training

To train the U-TG:

python tg_train.py --train_file data/ptb-train.pkl --val_file data/ptb-val.pkl --save_path /ckpt/utg_ckpt.pt --mode unsupervised --gpu 0

# debug
python tg_train.py --train_file data/ptb_20231129-train.pkl --val_file data/ptb_20231129-val.pkl --save_path /ckpt/utg_ckpt_240103_1.pt --mode unsupervised --gpu 0 --samples 2 --lr 0.00005 --q_lr 0.0001

Evaluation

python eval_ppl.py --model_file /ckpt/utg_ckpt.pt --test_file data/ptb-test.pkl --samples 1000 --is_temp 2 --gpu 0

F1 Evaluate

  1. Parse the test set

    python parse.py --model_file /ckpt/utg_ckpt.pt --data_file data/ptb-test.txt --out_file pred-parse.txt --gold_out_file gold-parse.txt --gpu 0

  2. Evalb evaluation

    evalb -p COLLINS.prm gold-parse.txt test-parse.txt

FAQ

1. ImportError: /lib64/libstdc++.so.6: version GLIBCXX_3.4.20 not found

The GPU is not allocated / available, or GCC version is obsolete (the version should >= 4.9)