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
An evaluation toolkit for voice conversion models.

Voice-conversion-evaluation An evaluation toolkit for voice conversion models. Sample test pair Generate the metadata for evaluating models. The direc

30 Aug 29, 2022
Natural Language Processing Tasks and Examples.

Natural Language Processing Tasks and Examples With the advancement of A.I. technology in recent years, natural language processing technology has bee

Soohwan Kim 53 Dec 20, 2022
Shared, streaming Python dict

UltraDict Sychronized, streaming Python dictionary that uses shared memory as a backend Warning: This is an early hack. There are only few unit tests

Ronny Rentner 192 Dec 23, 2022
Dust model dichotomous performance analysis

Dust-model-dichotomous-performance-analysis Using a collated dataset of 90,000 dust point source observations from 9 drylands studies from around the

1 Dec 17, 2021
(ACL-IJCNLP 2021) Convolutions and Self-Attention: Re-interpreting Relative Positions in Pre-trained Language Models.

BERT Convolutions Code for the paper Convolutions and Self-Attention: Re-interpreting Relative Positions in Pre-trained Language Models. Contains expe

mlpc-ucsd 21 Jul 18, 2022
TaCL: Improve BERT Pre-training with Token-aware Contrastive Learning

TaCL: Improve BERT Pre-training with Token-aware Contrastive Learning

Yixuan Su 26 Oct 17, 2022
BERTopic is a topic modeling technique that leverages 🤗 transformers and c-TF-IDF to create dense clusters allowing for easily interpretable topics whilst keeping important words in the topic descriptions

BERTopic BERTopic is a topic modeling technique that leverages 🤗 transformers and c-TF-IDF to create dense clusters allowing for easily interpretable

Maarten Grootendorst 3.6k Jan 07, 2023
Utilizing RBERT model for KLUE Relation Extraction task

RBERT for Relation Extraction task for KLUE Project Description Relation Extraction task is one of the task of Korean Language Understanding Evaluatio

snoop2head 14 Nov 15, 2022
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
用Resnet101+GPT搭建一个玩王者荣耀的AI

基于pytorch框架用resnet101加GPT搭建AI玩王者荣耀 本源码模型主要用了SamLynnEvans Transformer 的源码的解码部分。以及pytorch自带的预训练模型"resnet101-5d3b4d8f.pth"

冯泉荔 2.2k Jan 03, 2023
Stack based programming language that compiles to x86_64 assembly or can alternatively be interpreted in Python

lang lang is a simple stack based programming language written in Python. It can

Christoffer Aakre 1 May 30, 2022
A PyTorch implementation of paper "Learning Shared Semantic Space for Speech-to-Text Translation", ACL (Findings) 2021

Chimera: Learning Shared Semantic Space for Speech-to-Text Translation This is a Pytorch implementation for the "Chimera" paper Learning Shared Semant

Chi Han 43 Dec 28, 2022
Client library to download and publish models and other files on the huggingface.co hub

huggingface_hub Client library to download and publish models and other files on the huggingface.co hub Do you have an open source ML library? We're l

Hugging Face 644 Jan 01, 2023
NLP codes implemented with Pytorch (w/o library such as huggingface)

NLP_scratch NLP codes implemented with Pytorch (w/o library such as huggingface) scripts ├── models: Neural Network models ├── data: codes for dataloa

3 Dec 28, 2021
Part of Speech Tagging using Hidden Markov Model (HMM) POS Tagger and Brill Tagger

Part of Speech Tagging using Hidden Markov Model (HMM) POS Tagger and Brill Tagger In this project, our aim is to tune, compare, and contrast the perf

Chirag Daryani 0 Dec 25, 2021
PyTorch impelementations of BERT-based Spelling Error Correction Models.

PyTorch impelementations of BERT-based Spelling Error Correction Models

Heng Cai 209 Dec 30, 2022
This repository contains the code for EMNLP-2021 paper "Word-Level Coreference Resolution"

Word-Level Coreference Resolution This is a repository with the code to reproduce the experiments described in the paper of the same name, which was a

79 Dec 27, 2022
Knowledge Oriented Programming Language

KoPL: 面向知识的推理问答编程语言 安装 | 快速开始 | 文档 KoPL全称 Knowledge oriented Programing Language, 是一个为复杂推理问答而设计的编程语言。我们可以将自然语言问题表示为由基本函数组合而成的KoPL程序,程序运行的结果就是问题的答案。目前,

THU-KEG 62 Dec 12, 2022