Korean Simple Contrastive Learning of Sentence Embeddings using SKT KoBERT and kakaobrain KorNLU dataset

Overview

KoSimCSE

  • Korean Simple Contrastive Learning of Sentence Embeddings implementation using pytorch

Installation

git clone https://github.com/BM-K/KoSimCSE.git
cd KoSimCSE
git clone https://github.com/SKTBrain/KoBERT.git
cd KoBERT
pip install -r requirements.txt
pip install .
cd ..
pip install -r requirements.txt

Training - only supervised

  • Model

  • Dataset

  • Setting

    • epochs: 3
    • dropout: 0.1
    • batch size: 256
    • temperature: 0.05
    • learning rate: 5e-5
    • warm-up ratio: 0.05
    • max sequence length: 50
    • evaluation steps during training: 250
  • Run train -> test -> semantic_search

bash run_example.sh

Pre-Trained Models

  • Using BERT [CLS] token representation
  • Pre-Trained model check point

Performance

Model Cosine Pearson Cosine Spearman Euclidean Pearson Euclidean Spearman Manhattan Pearson Manhattan Spearman Dot Pearson Dot Spearman
KoSBERT_SKT* 78.81 78.47 77.68 77.78 77.71 77.83 75.75 75.22
KoSimCSE_SKT 81.55 82.11 81.70 81.69 81.65 81.60 78.19 77.18

Example Downstream Task

Semantic Search

python SemanticSearch.py
import numpy as np
from model.utils import pytorch_cos_sim
from data.dataloader import convert_to_tensor, example_model_setting


def main():
    model_ckpt = './output/nli_checkpoint.pt'
    model, transform, device = example_model_setting(model_ckpt)

    # Corpus with example sentences
    corpus = ['한 남자가 음식을 먹는다.',
              '한 남자가 빵 한 조각을 먹는다.',
              '그 여자가 아이를 돌본다.',
              '한 남자가 말을 탄다.',
              '한 여자가 바이올린을 연주한다.',
              '두 남자가 수레를 숲 속으로 밀었다.',
              '한 남자가 담으로 싸인 땅에서 백마를 타고 있다.',
              '원숭이 한 마리가 드럼을 연주한다.',
              '치타 한 마리가 먹이 뒤에서 달리고 있다.']

    inputs_corpus = convert_to_tensor(corpus, transform)

    corpus_embeddings = model.encode(inputs_corpus, device)

    # Query sentences:
    queries = ['한 남자가 파스타를 먹는다.',
               '고릴라 의상을 입은 누군가가 드럼을 연주하고 있다.',
               '치타가 들판을 가로 질러 먹이를 쫓는다.']

    # Find the closest 5 sentences of the corpus for each query sentence based on cosine similarity
    top_k = 5
    for query in queries:
        query_embedding = model.encode(convert_to_tensor([query], transform), device)
        cos_scores = pytorch_cos_sim(query_embedding, corpus_embeddings)[0]
        cos_scores = cos_scores.cpu().detach().numpy()

        top_results = np.argpartition(-cos_scores, range(top_k))[0:top_k]

        print("\n\n======================\n\n")
        print("Query:", query)
        print("\nTop 5 most similar sentences in corpus:")

        for idx in top_results[0:top_k]:
            print(corpus[idx].strip(), "(Score: %.4f)" % (cos_scores[idx]))

Result

Query: 한 남자가 파스타를 먹는다.

Top 5 most similar sentences in corpus:
한 남자가 음식을 먹는다. (Score: 0.6002)
한 남자가 빵 한 조각을 먹는다. (Score: 0.5938)
치타 한 마리가 먹이 뒤에서 달리고 있다. (Score: 0.0696)
한 남자가 말을 탄다. (Score: 0.0328)
원숭이 한 마리가 드럼을 연주한다. (Score: -0.0048)


======================


Query: 고릴라 의상을 입은 누군가가 드럼을 연주하고 있다.

Top 5 most similar sentences in corpus:
원숭이 한 마리가 드럼을 연주한다. (Score: 0.6489)
한 여자가 바이올린을 연주한다. (Score: 0.3670)
한 남자가 말을 탄다. (Score: 0.2322)
그 여자가 아이를 돌본다. (Score: 0.1980)
한 남자가 담으로 싸인 땅에서 백마를 타고 있다. (Score: 0.1628)


======================


Query: 치타가 들판을 가로 질러 먹이를 쫓는다.

Top 5 most similar sentences in corpus:
치타 한 마리가 먹이 뒤에서 달리고 있다. (Score: 0.7756)
두 남자가 수레를 숲 속으로 밀었다. (Score: 0.1814)
한 남자가 말을 탄다. (Score: 0.1666)
원숭이 한 마리가 드럼을 연주한다. (Score: 0.1530)
한 남자가 담으로 싸인 땅에서 백마를 타고 있다. (Score: 0.1270)

Citing

SimCSE

@article{gao2021simcse,
   title={{SimCSE}: Simple Contrastive Learning of Sentence Embeddings},
   author={Gao, Tianyu and Yao, Xingcheng and Chen, Danqi},
   journal={arXiv preprint arXiv:2104.08821},
   year={2021}
}

KorNLU Datasets

@article{ham2020kornli,
  title={KorNLI and KorSTS: New Benchmark Datasets for Korean Natural Language Understanding},
  author={Ham, Jiyeon and Choe, Yo Joong and Park, Kyubyong and Choi, Ilji and Soh, Hyungjoon},
  journal={arXiv preprint arXiv:2004.03289},
  year={2020}
}
Owner
Self-softmax
Just a Basic like Language for Zeno INC

zeno-basic-language Just a Basic like Language for Zeno INC This is written in 100% python. this is basic language like language. so its not for big p

Voidy Devleoper 1 Dec 18, 2021
DiffSinger: Singing Voice Synthesis via Shallow Diffusion Mechanism (SVS & TTS); AAAI 2022

DiffSinger: Singing Voice Synthesis via Shallow Diffusion Mechanism This repository is the official PyTorch implementation of our AAAI-2022 paper, in

Jinglin Liu 829 Jan 07, 2023
Curso práctico: NLP de cero a cien 🤗

Curso Práctico: NLP de cero a cien Comprende todos los conceptos y arquitecturas clave del estado del arte del NLP y aplícalos a casos prácticos utili

Somos NLP 147 Jan 06, 2023
Persian-lexicon - A lexicon of 70K unique Persian (Farsi) words

Persian Lexicon This repo uses Uppsala Persian Corpus (UPC) to construct a lexic

Saman Vaisipour 7 Apr 01, 2022
A Facebook Messenger Chatbot using NLP

A Facebook Messenger Chatbot using NLP This project is about creating a messenger chatbot using basic NLP techniques and models like Logistic Regressi

6 Nov 20, 2022
PyTorch implementation of NATSpeech: A Non-Autoregressive Text-to-Speech Framework

A Non-Autoregressive Text-to-Speech (NAR-TTS) framework, including official PyTorch implementation of PortaSpeech (NeurIPS 2021) and DiffSpeech (AAAI 2022)

760 Jan 03, 2023
Fuzzy String Matching in Python

FuzzyWuzzy Fuzzy string matching like a boss. It uses Levenshtein Distance to calculate the differences between sequences in a simple-to-use package.

SeatGeek 8.8k Jan 01, 2023
CrossNER: Evaluating Cross-Domain Named Entity Recognition (AAAI-2021)

CrossNER is a fully-labeled collected of named entity recognition (NER) data spanning over five diverse domains (Politics, Natural Science, Music, Literature, and Artificial Intelligence) with specia

Zihan Liu 89 Nov 10, 2022
Meta learning algorithms to train cross-lingual NLI (multi-task) models

Meta learning algorithms to train cross-lingual NLI (multi-task) models

M.Hassan Mojab 4 Nov 20, 2022
Natural language Understanding Toolkit

Natural language Understanding Toolkit TOC Requirements Installation Documentation CLSCL NER References Requirements To install nut you need: Python 2

Peter Prettenhofer 119 Oct 08, 2022
Blue Brain text mining toolbox for semantic search and structured information extraction

Blue Brain Search Source Code DOI Data & Models DOI Documentation Latest Release Python Versions License Build Status Static Typing Code Style Securit

The Blue Brain Project 29 Dec 01, 2022
A simple word search made in python

Word Search Puzzle A simple word search made in python Usage $ python3 main.py -h usage: main.py [-h] [-c] [-f FILE] Generates a word s

Magoninho 16 Mar 10, 2022
EasyTransfer is designed to make the development of transfer learning in NLP applications easier.

EasyTransfer is designed to make the development of transfer learning in NLP applications easier. The literature has witnessed the success of applying

Alibaba 819 Jan 03, 2023
texlive expressions for documents

tex2nix Generate Texlive environment containing all dependencies for your document rather than downloading gigabytes of texlive packages. Installation

Jörg Thalheim 70 Dec 26, 2022
jel - Japanese Entity Linker - is Bi-encoder based entity linker for japanese.

jel: Japanese Entity Linker jel - Japanese Entity Linker - is Bi-encoder based entity linker for japanese. Usage Currently, link and question methods

izuna385 10 Jan 06, 2023
使用pytorch+transformers复现了SimCSE论文中的有监督训练和无监督训练方法

SimCSE复现 项目描述 SimCSE是一种简单但是很巧妙的NLP对比学习方法,创新性地引入Dropout的方式,对样本添加噪声,从而达到对正样本增强的目的。 该框架的训练目的为:对于batch中的每个样本,拉近其与正样本之间的距离,拉远其与负样本之间的距离,使得模型能够在大规模无监督语料(也可以

58 Dec 20, 2022
NeurIPS'21: Probabilistic Margins for Instance Reweighting in Adversarial Training (Pytorch implementation).

source code for NeurIPS21 paper robabilistic Margins for Instance Reweighting in Adversarial Training

9 Dec 20, 2022
Smart discord chatbot integrated with Dialogflow

academic-NLP-chatbot Smart discord chatbot integrated with Dialogflow to interact with students naturally and manage different classes in a school. De

Tom Huynh 5 Oct 24, 2022
Python library for Serbian Natural language processing (NLP)

SrbAI - Python biblioteka za procesiranje srpskog jezika SrbAI je projekat prikupljanja algoritama i modela za procesiranje srpskog jezika u jedinstve

Serbian AI Society 3 Nov 22, 2022
Translation for Trilium Notes. Trilium Notes 中文版.

Trilium Translation 中文说明 This repo provides a translation for the awesome Trilium Notes. Currently, I have translated Trilium Notes into Chinese. Test

743 Jan 08, 2023