欢迎加入赛尔语义分析LA组！

本攻略旨在帮助你快速学习NLP基础知识，并对LA相关的研究方向有一个大体的认识。

本攻略分为以下四个部分：

• Part1：NLP基础，在学习这一部分前，希望你已经掌握了微积分、线性代数、概率论相关知识。这一部分会按照NLP的发展历程，介绍词嵌入、神经网络、预训练模型等NLP通用方法，为后续阅读和复现相关论文提供坚实的基础。
• Part2：LA经典论文，这一部分是由实验室老师和学长推荐的NLP和LA经典论文。通过阅读原论文，让你对经典的模型和方法有更深入细致的理解，同时对将来可能的研究方向有一个大体的了解。
• Part3：模型构建，这一部分提供了一个带注释的代码框架，来学习基于深度学习的NLP模型框架，及其如何进行数据处理、训练和预测。在这一部分后，你应当对如何实现模型有明确的思路。
• Part4：项目实践，通过完成这一部分的任务，来确保你已经初步掌握了设计和实现模型的能力。
• 其他：一些课外的学习资源以供参考。

在学习过程中请善用各类搜索引擎，欢迎大家提出宝贵意见或建议。

祝大家学习顺利！

• CS224n
  • 2021课程主页
  • 2019课程录像
  • 学有余力请阅读Suggested Readings中，各个算法的原论文
  • 完成五个Project
    • 参考答案
  • 历年总结课件
• 《自然语言处理：基于预训练模型的方法》
  • 完成每一章的课后习题

• 对于每一篇论文，对应的信息依次为：作者、会议/期刊、推荐理由
• LA组
  • From static to dynamic word representations: a survey
    • Yuxuan Wang, Yutai Hou, Wanxiang Che, Ting Liu
    • IJMLC 2020
    • 对静态词向量、动态词向量及其评价与应用做了很好地概述
  • A Survey on Spoken Language Understanding: Recent Advances and New Frontiers
    • Libo Qin, Tianbao Xie, Wanxiang Che, Ting Liu
    • IJCAI 2021 (Survey Track)
    • 任务型对话系统中SLU的首篇系统综述
  • A Stack-Propagation Framework with Token-Level Intent Detection for Spoken Language Understanding
    • Libo Qin, Wanxiang Che, Yangming Li, Haoyang Wen, Ting Liu
    • EMNLP 2019
    • 任务型对话卓有成效的joint model
  • Knowledge Graph Grounded Goal Planning for Open-Domain Conversation Generation
    • Jun Xu, Haifeng Wang, Zhengyu Niu, Hua Wu, Wanxiang Che
    • AAAI 2020
    • 提出主动式知识型对话建模框架和具体方法
  • CoSDA-ML: Multi-Lingual Code-Switching Data Augmentation for Zero-Shot Cross-Lingual NLP
    • Libo Qin, Minheng Ni, Yue Zhang, Wanxiang Che
    • IJCAI 2020
    • 首次提出使用字典构造code-switching数据进行对齐多语言表示空间，受到谷歌，微软，facebook等大厂follow，并受谷歌大脑等企业邀请贡献核心代码。
  • Consistency Regularization for Cross-Lingual Fine-Tuning
    • Bo Zheng, Li Dong, Shaohan Huang, Wenhui Wang, Zewen Chi, Saksham Singhal, Wanxiang Che, Ting Liu, Xia Song, Furu Wei
    • ACL 2021
    • 数据增强领域较为综合、阶段性的成果，从样本和模型两个层次做一致性建模，实验了多种常见数据增强模式，提升显著
  • Sequence-to-sequence data augmentation for dialogue language understanding
    • Yutai Hou, Yijia Liu, Wanxiang Che, and Ting Liu
    • COLING 2018
    • 数据增强
  • Few-shot Slot Tagging with Collapsed Dependency Transfer and Label-enhanced Task-adaptive Projection Network
    • Yutai Hou, Wanxiang Che, Yongkui Lai, Zhihan Zhou, Yijia Liu, Han Liu and Ting Liu.
    • ACL 2020
    • 对话方向基于生成数据增强的工作
  • LayoutLMv2: Multi-modal Pre-training for Visually-Rich Document Understanding
    • Yang Xu, Yiheng Xu, Tengchao Lv, Lei Cui, Furu Wei, Guoxin Wang, Yijuan Lu, Dinei Florencio, Cha Zhang, Wanxiang Che, Min Zhang, Lidong Zhou
    • ACL 2021
    • 统一建模文本、图像和布局三种模态的信息，多个稳定理解数据集上SOTA结果
  • A Distributed Representation-Based Framework for Cross-Lingual Transfer Parsing
    • Jiang Guo, Wanxiang Che, David Yarowsky, Haifeng Wang, Ting Liu
    • JAIR 2016
    • 包括了跨语言迁移的主要方法，对了解该领域很有帮助
• 非LA组
  • Learning Method
    • Matching Networks for One Shot Learning
      • Oriol Vinyals, Charles Blundell, Timothy Lillicrap, Koray Kavukcuoglu, Daan Wierstra
      • NIPS 2016
      • 在AI 领域掀起 “小样本热潮“ 的开山工作之一，最经典基于metric learning的元学习工作之一
    • Model-agnostic meta-learning for fast adaptation of deep networks
      • Chelsea Finn, Pieter Abbeel, Sergey Levine
      • ICML 2017
      • 最经典的基于optimization的元学习文章
    • Learning Active Learning from Data
      • Ksenia Konyushkova
      • NIPS 2017
      • 主动学习方面代表作
    • Neural Transfer Learning for Natural Language Processing
      • Sebastian Ruder
      • Ph.D. thesis 2019
      • Sebastian Ruder的博士论文，第三章详细分析和比较了NLP中各种迁移学习方式
    • A Simple Framework for Contrastive Learning of Visual Representations
      • Ting Chen, Simon Kornblith, Mohammad Norouzi, Geoffrey Hinton
      • ICML 2020
      • 不光适用于图像领域，在NLP中同样有用。对比学习学得的特征在下游任务上表现很好。
    • Confident Learning: Estimating Uncertainty in Dataset Labels
      • CG Northcutt
      • JAIR 2021
      • 比较实用，在CV上得到了验证
  • Network Structure
    • Auto-Encoding Variational Bayes
      • Diederik P Kingma, Max Welling
      • ICLR 2014
      • 提出 VAE，其中利用变分推断有效进行隐变量采样的技术成为经典，引领了后续一大批基于隐变量建模研究风格迁移、可控生成、表示学习等应用的工作
    • Generative Adversarial Networks
      • Ian J. Goodfellow, Jean Pouget-Abadie, Mehdi Mirza, Bing Xu, David Warde-Farley, Sherjil Ozair, Aaron Courville, Yoshua Bengio
      • NIPS 2014
      • GAN 的第一篇文章，为对抗生成系列方法奠定基础
    • Pointer Networks
      • Oriol Vinyals, Meire Fortunato, Navdeep Jaitly
      • NIPS 2015
      • Pointer Network 是一种经典的 seq2seq 模型，其中从输入复制到输出的机制成为了经典操作
    • Graph Attention Networks
      • Petar Veličković, Guillem Cucurull, Arantxa Casanova, Adriana Romero, Pietro Liò, Yoshua Bengio
      • ICLR 2018
      • Yoshua Bengio进军图神经网络
    • How Powerful are Graph Neural Networks?
      • Keyulu Xu, Weihua Hu, Jure Leskovec, Stefanie Jegelka
      • ICLR 2019
      • 引人思考图神经网络的强大之处
  • Knowledge Distillation
    • Distilling the Knowledge in a Neural Network
      • Geoffrey Hinton, Oriol Vinyals, Jeff Dean
      • NIPS 2014
      • 蒸馏方法的开山之作
    • Sequence-Level Knowledge Distillation
      • Yoon Kim, Alexander M. Rush
      • EMNLP 2016
      • 将知识蒸馏成功用于NMT任务
  • Cross-Linguistic
    • Word Translation Without Parallel Data
      • Alexis Conneau, Guillaume Lample, Marc'Aurelio Ranzato, Ludovic Denoyer, Hervé Jégou
      • ICLR 2018
      • 应用广泛的无监督跨语言词向量
    • Unsupervised Cross-lingual Representation Learning at Scale
      • Alexis Conneau, Kartikay Khandelwal, Naman Goyal, Vishrav Chaudhary, Guillaume Wenzek, Francisco Guzmán, Edouard Grave, Myle Ott, Luke Zettlemoyer, Veselin Stoyanov
      • ACL 2020
      • 提出XLM-R，使跨语言预训练模型达到与单语相近的结果
    • Multilingual Denoising Pre-training for Neural Machine Translation
      • Yinhan Liu, Jiatao Gu, Naman Goyal, Xian Li, Sergey Edunov, Marjan Ghazvininejad, Mike Lewis, Luke Zettlemoyer
      • TACL 2020
      • 多语言预训练的代表作之一。在多个对话任务，效果都很好
  • Representation Learning(Pre-Trained Model)
    • A Neural Probabilistic Language Model
      • Yoshua Bengio,Réjean Ducharme,Pascal Vincent,Christian Jauvin
      • JMLR 2003
      • 回顾bengio的经典论文：如何通过神经网络训练词向量
    • Efficient Estimation of Word Representations in Vector Space
      • Tomas Mikolov, Kai Chen, Greg Corrado, Jeffrey Dean
      • ICLR 2013
      • Word2Vec
    • Distributed Representations of Words and Phrases and their Compositionality
      • Tomas Mikolov, Ilya Sutskever, Kai Chen
      • NIPS 2013
      • 这篇文章之后，词向量真正变成了一个现实的应用
    • GloVe: Global Vectors for Word Representation
      • Jeffrey Pennington, Richard Socher, Christopher D. Manning
      • EMNLP 2014
      • 基于全局信息和上下文信息的词向量。
    • Generating Sentences from a Continuous Space
      • Samuel R. Bowman, Luke Vilnis, Oriol Vinyals, Andrew M. Dai, Rafal Jozefowicz & Samy Bengio
      • CoNLL 2016
      • 将VAE成功用于对自然语言的建模
    • Deep contextualized word representations
      • Matthew E. Peters, Mark Neumann, Mohit Iyyer, Matt Gardner, Christopher Clark, Kenton Lee, Luke Zettlemoyer
      • NAACL 2018
      • NAACL2018 best paper
    • Language Models as Knowledge Bases?
      • Fabio Petroni, Tim Rocktäschel, Patrick Lewis, Anton Bakhtin, Yuxiang Wu, Alexander H. Miller, Sebastian Riedel
      • EMNLP 2019
      • 预训练语言模型中的知识
    • BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding
      • Jacob Devlin, Ming-Wei Chang, Kenton Lee, Kristina Toutanova
      • NAACL 2019
      • 让pre-training + fine-tuning成为了NLP的新范式。
    • XLNet: Generalized Autoregressive Pretraining for Language Understanding
      • Zhilin Yang, Zihang Dai, Yiming Yang, Jaime Carbonell, Ruslan Salakhutdinov, Quoc V. Le
      • NIPS 2019
      • 对预训练方法的头脑风暴
    • Language Models are Unsupervised Multitask Learners
      • Alec Radford, Jeff Wu, R. Child, David Luan, Dario Amodei, Ilya Sutskever
      • Published 2019
      • GPT2
    • ELECTRA: Pre-training Text Encoders as Discriminators Rather Than Generators
      • Kevin Clark, Minh-Thang Luong, Quoc V. Le, Christopher D. Manning
      • ICLR 2020
      • 巧妙的设计基于generator-discrimintor二分类的loss，有效提升预训练模型收敛速度及效果。
    • Exploring the Limits of Transfer Learning with a Unified Text-to-Text Transformer
      • Colin Raffel, Noam Shazeer, Adam Roberts, Katherine Lee, Sharan Narang, Michael Matena, Yanqi Zhou, Wei Li, Peter J. Liu
      • JMLR 2020
      • 提出了T5，用text-to-text的**考虑所有NLP问题，论文详细介绍了设计决策依据。
  • Prompt-based Learning
    • Exploiting Cloze-Questions for Few-Shot Text Classification and Natural Language Inference
      • Timo Schick, Hinrich Schütze
      • EACL 2021
      • 提出cloze-style prompt-based fine-tuning方法Pet.
    • It’s Not Just Size That Matters:Small Language Models Are Also Few-Shot Learners
      • Timo Schick, Hinrich Schütze
      • NAACL 2021
      • 第一次证明Prompt-based方法的威力
  • MultiModal Machine Learning(MMML)
    • ViLBERT: Pretraining Task-Agnostic Visiolinguistic Representations for Vision-and-Language Tasks
      • Jiasen Lu, Dhruv Batra, Devi Parikh, Stefan Lee
      • NIPS 2019
      • Vision-and-Language 领域的经典双流模型
    • Oscar: Object-Semantics Aligned Pre-training for Vision-Language Tasks
      • Xiujun Li, Xi Yin, Chunyuan Li, Pengchuan Zhang, Xiaowei Hu, Lei Zhang, Lijuan Wang, Houdong Hu, Li Dong, Furu Wei, Yejin Choi, Jianfeng Gao
      • ECCV 2020
      • 提出 Object-Semantics Aligned Pre-training，把物体用作视觉和语言语义层面上的定位点 ，以简化图像和文本之间的语义对齐的学习任务
    • UNIMO: Towards Unified-Modal Understanding and Generation via Cross-Modal Contrastive Learning
      • Wei Li, Can Gao, Guocheng Niu, Xinyan Xiao, Hao Liu, Jiachen Liu, Hua Wu, Haifeng Wang
      • ACL 2021
      • 基于文本重写和文本/图像检索增强的跨模态对比学习来联合视觉和文本的语义空间，将多场景多模态数据作为输入，有效适应单模态和多模态的理解和生成任务
  • Lexical Analysis
    • Conditional random fields: Probabilistic models for segmenting and labeling sequence data
      • John Lafferty, Andrew McCallum, Fernando Pereira
      • ICML 2001
      • 把CRF 带入NLP 的工作。 理论和实际的结合非常值得学习。
    • Neural architectures for named entity recognition
      • Neural Architectures for Named Entity Recognition
      • NAACL 2016
      • NN序列标注之经典论文，简单易懂
  • Syntactic Parsing
    • A Fast and Accurate Dependency Parser using Neural Networks
      • Danqi Chen, Christopher D. Manning
      • EMNLP 2014
      • NN parser开山之作，简单易懂，入门必备
    • Transition-Based Dependency Parsing with Stack Long Short-Term Memory
      • Chris Dyer, Miguel Ballesteros, Wang Ling, Austin Matthews, Noah A. Smith
      • ACL 2015
      • 提出Stack-LSTM，对基于转移的依存分析的发展有较大影响
    • Deep Biaffine Attention for Neural Dependency Parsing
      • Timothy Dozat, Christopher D. Manning
      • ICLR 2017
      • 解决依存句法分析 Graph Based 的经典之作，Biaffine 模型不断在其他的 Parsing 任务上显现其能力
  • Semantic Parsing
    • Compositional Semantic Parsing on Semi-Structured Tables
      • Panupong Pasupat, Percy Liang
      • ACL 2015
      • 提出表格问答&语义解析经典数据集WikiTableQuestion
    • A Syntactic Neural Model for General-Purpose Code Generation
      • Pengcheng Yin, Graham Neubig
      • ACL 2017
      • 经典代码生成范式seq2tree：AST树的生成
    • Coarse-to-Fine Decoding for Neural Semantic Parsing
      • Li Dong, Mirella Lapata
      • ACL 2018
      • 经典代码生成范式seq2seq：先粗粒度后细粒度
    • Climbing towards NLU- On Meaning, Form, and Understanding in the Age of Data
      • Emily M. Bender, Alexander Koller
      • ACL 2020
      • NLP人的“不忘初心”
  • Grammatical Error Correction(GEC)
    • Encode, Tag, Realize: High-Precision Text Editing
      • Eric Malmi, Sebastian Krause, Sascha Rothe, Daniil Mirylenka, Aliaksei Severyn
      • EMNLP 2019
      • 创新性地将生成任务转换为text-editing任务，适合GEC等任务
    • SpellGCN: Incorporating Phonological and Visual Similarities into Language Models for Chinese Spelling Check
      • Xingyi Cheng, Weidi Xu, Kunlong Chen, Shaohua Jiang, Feng Wang, Taifeng Wang, Wei Chu, Yuan Qi
      • ACL 2020
      • 使用GCN模型将音近、形近信息引入BERT模型，CSC任务必读论文。
  • Dialogue
    • POMDP-based Statistical Spoken Dialogue Systems: a Review
      • Steve Young, Milica Gasic, Blaise Thomson, Jason Williams
      • IEEE Xplore 2013
      • 任务型对话的开山之作
    • MultiWOZ -- A Large-Scale Multi-Domain Wizard-of-Oz Dataset for Task-Oriented Dialogue Modelling
      • Paweł Budzianowski, Tsung-Hsien Wen, Bo-Hsiang Tseng, Iñigo Casanueva, Stefan Ultes, Osman Ramadan, Milica Gašić
      • EMNLP 2018
      • 任务对话影响力最大的数据集
    • DialoGPT: Large-Scale Generative Pre-training for Conversational Response Generation
      • Yizhe Zhang, Siqi Sun, Michel Galley, Yen-Chun Chen, Chris Brockett, Xiang Gao, Jianfeng Gao, Jingjing Liu, Bill Dolan
      • ACL 2020
      • 在对话领域影响力很大的预训练模型
    • Towards a Human-like Open-Domain Chatbot
      • Daniel Adiwardana, Minh-Thang Luong, David R. So, Jamie Hall, Noah Fiedel, Romal Thoppilan, Zi Yang, Apoorv Kulshreshtha, Gaurav Nemade, Yifeng Lu, Quoc V. Le
      • Published 2020
      • 开放对话的里程碑
    • Task-Oriented Dialogue as Dataflow Synthesis
      • Microsoft Semantic Machines组
      • TACL 2020
      • 有前途的任务对话语义理解
  • Question Answering(QA)
    • Bidirectional Attention Flow for Machine Comprehension
      • Minjoon Seo, Aniruddha Kembhavi, Ali Farhadi, Hannaneh Hajishirzi
      • ICLR 2017
      • 抽取式阅读理解（如SQuAD）方向的经典论文，很多**目前仍然沿用。
    • Neural Reading Comprehension and Beyond
      • Danqi Chen
      • Ph.D. thesis 2018
      • 陈丹琦的毕业论文，建议阅读理解、开放域问答方向人士阅读。
  • Neural Machine Translation(NMT)
    • Neural Machine Translation by Jointly Learning to Align and Translate
      • Dzmitry Bahdanau, Kyunghyun Cho, Yoshua Bengio
      • ICLR 2015
      • Attention在NLP应用成功的开篇之作
    • Neural machine translation of rare words with subword units.
      • Rico Sennrich, Barry Haddow, Alexandra Birch
      • ACL 2016
      • 处理OOV问题的经典方法，历久弥新
    • Attention Is All You Need
      • Ashish Vaswani, Noam Shazeer, Niki Parmar, Jakob Uszkoreit, Llion Jones, Aidan N. Gomez, Lukasz Kaiser, Illia Polosukhin
      • NIPS 2017
      • 提出了Transformer这样一个效果优异的特征抽取器，被广泛应用于后续的预训练模型
    • Levenshtein Transformer
      • Jiatao Gu, Changhan Wang, Jake Zhao
      • NIPS 2019
      • 非自回归机器翻译经典模型
    • Vocabulary Learning via Optimal Transport for Machine Translation
      • Jingjing Xu, Hao Zhou, Chun Gan, Zaixiang Zheng, Lei Li
      • ACL 2021
      • ICLR转投ACL 2021 Best Paper，展示如何修改论文
  • Sentiment Analysis
    • Document Modeling with Gated Recurrent Neural Networkfor Sentiment Classification
      • Duyu Tang, Bing Qin, Ting Liu
      • EMNLP 2015
      • NN分类相对比较经典的论文，容易理解，适合入门

• Sequence-Labeling任务
• 基于BiLSTM
• 包含了数据处理、搭建、训练、测试的完整过程
• 对基于深度学习的NLP框架有一个大体的认识，为完成Part4做准备

具体项目内容及要求见相关目录

• Sequence Labeling
• Graph-based Parser

• 机器学习基础
  • 吴恩达
• 一些推荐的博客/github库