Lucy Lu Wang

<!DOCTYPE html> <html lang="en">  <head>   <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Lucy Lu Wang</title> <meta name="author" content="Lucy Lu Wang" /> <meta name="description" content="Lucy Lu Wang's website " />  <link href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha256-DF7Zhf293AJxJNTmh5zhoYYIMs2oXitRfBjY+9L//AY=" crossorigin="anonymous"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/mdbootstrap@4.20.0/css/mdb.min.css" integrity="sha256-jpjYvU3G3N6nrrBwXJoVEYI/0zw8htfFnhT9ljN3JJw=" crossorigin="anonymous" />  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@5.15.4/css/all.min.css" integrity="sha256-mUZM63G8m73Mcidfrv5E+Y61y7a12O5mW4ezU3bxqW4=" crossorigin="anonymous"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/academicons@1.9.1/css/academicons.min.css" integrity="sha256-i1+4qU2G2860dGGIOJscdC30s9beBXjFfzjWLjBRsBg=" crossorigin="anonymous"> <link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Roboto+Slab:100,300,400,500,700|Material+Icons">  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/jwarby/jekyll-pygments-themes@master/github.css" media="" id="highlight_theme_light" />  <link rel="shortcut icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>👾</text></svg>"> <link rel="stylesheet" href="/assets/css/main.css"> <link rel="canonical" href="http://localhost:4000/">  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/jwarby/jekyll-pygments-themes@master/native.css" media="none" id="highlight_theme_dark" /> <script src="/assets/js/theme.js"></script> <script src="/assets/js/dark_mode.js"></script> </head>  <body class="fixed-top-nav ">  <header>  <nav id="navbar" class="navbar navbar-light navbar-expand-sm fixed-top"> <div class="container">  <button class="navbar-toggler collapsed ml-auto" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar top-bar"></span> <span class="icon-bar middle-bar"></span> <span class="icon-bar bottom-bar"></span> </button> <div class="collapse navbar-collapse text-right" id="navbarNav"> <ul class="navbar-nav ml-auto flex-nowrap">  <li class="nav-item active"> <a class="nav-link" href="/">about<span class="sr-only">(current)</span></a> </li>  <li class="nav-item "> <a class="nav-link" href="/lab/">larch lab</a> </li> <li class="nav-item "> <a class="nav-link" href="/publications/">publications</a> </li> <li class="nav-item "> <a class="nav-link" href="/talks/">talks+panels</a> </li> <li class="nav-item "> <a class="nav-link" href="/teaching/">teaching</a> </li> <li class="nav-item "> <a class="nav-link" href="/faq/">faq</a> </li> <li class="nav-item "> <a class="nav-link" href="/other/">other</a> </li>  <li class="toggle-container"> <button id="light-toggle" title="Change theme"> <i class="fas fa-moon"></i> <i class="fas fa-sun"></i> </button> </li> </ul> </div> </div> </nav>  <progress id="progress" value="0"> <div class="progress-container"> <span class="progress-bar"></span> </div> </progress> </header>  <div class="container mt-5">  <div class="post"> <header class="post-header"> <h1 class="post-title"> Lucy Lu Wang </h1> <p class="desc" style="font-weight: bolder"></p> </header> <article> <div class="profile float-right"> <figure> <picture> <source class="responsive-img-srcset" media="(max-width: 480px)" srcset="/assets/img/profile12-480.webp"></source> <source class="responsive-img-srcset" media="(max-width: 800px)" srcset="/assets/img/profile12-800.webp"></source> <source class="responsive-img-srcset" media="(max-width: 1400px)" srcset="/assets/img/profile12-1400.webp"></source>  <img src="/assets/img/profile12.jpg" class="img-fluid z-depth-1 rounded" width="auto" height="auto" alt="portrait photo of a smiling east asian woman with chin-length black hair, wearing a black and white striped shirt, in front of a background of trees and dahlias" onerror="this.onerror=null; $('.responsive-img-srcset').remove();"> </picture> </figure> <div class="address"> <p>Allen Library 199D</p> <p>University of Washington</p> <p>Seattle, WA 98105</p> </div> <br> </div> <div class="clearfix"> <div><b>Assistant Professor, Information School, University of Washington</b></div> <div><b>Adjunct, Paul G. Allen School of Computer Science & Engineering</b></div> <div><b>Adjunct, Biomedical Informatics & Medical Education</b></div> <div><b>Adjunct, Human Centered Design & Engineering</b></div> <div><b>Research Scientist, Allen Institute for AI (Ai2)</b></div> <div> </div>  <p>Hello and welcome! I am an NLP and health informatics researcher, studying how to design and build language technologies to improve access to and understanding of information, especially in high-expertise domains like science and healthcare. My work has resulted in techniques and tools to improve access to scholarly content, synthesize scientific evidence, and support people to make better decisions about their health.</p> <p>I am an Assistant Professor at the University of Washington Information School, where I lead the <b>L</b>anguage <b>A</b>ccessibility <b>R</b>esear<b>ch</b> (LARCH<img src="assets/larch.jpg" style="vertical-align:top;" height="20px">) <a href="/lab/">lab</a>. You can find a list of our publications <a href="/publications/">here</a>.</p> <p>Curriculum vitae: <a href="/cv.pdf">PDF</a></p> <div> </div> </div>  <div class="news"> <h2>news</h2> <div class="table-responsive"> <table class="table table-sm table-borderless"> <tr>  <th scope="row">02/06</th> <td> New paper acceptances! “<a href="https://arxiv.org/abs/2407.18418" target="_blank" rel="noopener noreferrer">Know Your Limits: A Survey of Abstention in Large Language Models</a>” (led by <a href="https://bbwen.github.io/" target="_blank" rel="noopener noreferrer">Bingbing Wen</a> has been accepted to TACL and “<a href="https://arxiv.org/abs/2410.11055" target="_blank" rel="noopener noreferrer">Varying Shades of Wrong: Aligning LLMs with Wrong Answers Only</a>” (led by <a href="https://yaojh18.github.io/" target="_blank" rel="noopener noreferrer">Jihan Yao</a>) has been accepted to ICLR! </td> </tr> <tr>  <th scope="row">12/20</th> <td> Our paper “<a href="/assets/pdf/2025_hou_xaisurvey_amia.pdf">Explainable AI for Clinical Outcome Prediction: A Survey of Clinician Perceptions and Preferences</a>” led by lab alum <a href="https://sanghani.cs.vt.edu/person/jun-hou/" target="_blank" rel="noopener noreferrer">Jun Hou</a>, has been accepted to AMIA Informatics Summit! </td> </tr> <tr>  <th scope="row">11/05</th> <td> I received a <a href="https://research.google/programs-and-events/google-academic-research-awards/google-academic-research-award-program-recipients/" target="_blank" rel="noopener noreferrer">Google Academic Research Award</a> for “AI-Driven Accessibility Solutions for STEM Educational Materials: Bridging Accessibility Gaps for Blind and Visually Impaired Students”! </td> </tr> <tr>  <th scope="row">10/16</th> <td> New preprint: “<a href="https://arxiv.org/abs/2410.11055" target="_blank" rel="noopener noreferrer">Varying Shades of Wrong: Aligning LLMs with Wrong Answers Only</a>” showing the benefits of preference alignment between wrong answers only. </td> </tr> <tr>  <th scope="row">10/03</th> <td> Two 🌴EMNLP🌴 paper acceptances! <a href="https://arxiv.org/abs/2305.14341" target="_blank" rel="noopener noreferrer">“APPLS: Evaluating Evaluation Metrics for Plain Language Summarization”</a> to the main conference and <a href="https://arxiv.org/abs/2404.12452" target="_blank" rel="noopener noreferrer">“Characterizing LLM Abstention Behavior in Science QA with Context Perturbations”</a> to Findings. </td> </tr>  </table> </div> </div>  <div class="publications"> <h2>select recent publications</h2> <ol class="bibliography"> <li>  <div class="row"> <div class="col-sm-2 preview"><img class="preview z-depth-1 rounded" src="/assets/img/publication_preview/2024_abstention-survey_0.png"></div>  <div id="wen2024art" class="col-sm-8">  <div class="title">Know Your Limits: A Survey of Abstention in Large Language Models</div>  <div class="author"> Bingbing Wen, Jihan Yao, Shangbin Feng, Chenjun Xu, Yulia Tsvetkov, Bill Howe, and <em>Lucy Lu Wang</em> </div>  <div class="periodical"> <em>Transactions of the Association for Computational Linguistics (TACL)</em> 2025 </div>  <div class="links"> <a href="https://arxiv.org/abs/2407.18418" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">arXiv</a> <a href="/assets/pdf/2024_wen_abstention-survey_arxiv.pdf" class="btn btn-sm z-depth-0" role="button">PDF</a> <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a> </div>  <div class="bibtex hidden"> <figure class="highlight"><pre><code class="language-bibtex" data-lang="bibtex"><span class="nc">@article</span><span class="p">{</span><span class="nl">wen2024art</span><span class="p">,</span> <span class="na">title</span> <span class="p">=</span> <span class="s">{Know Your Limits: A Survey of Abstention in Large Language Models}</span><span class="p">,</span> <span class="na">author</span> <span class="p">=</span> <span class="s">{Wen, Bingbing and Yao, Jihan and Feng, Shangbin and Xu, Chenjun and Tsvetkov, Yulia and Howe, Bill and Wang, Lucy Lu}</span><span class="p">,</span> <span class="na">year</span> <span class="p">=</span> <span class="s">{2025}</span><span class="p">,</span> <span class="na">journal</span> <span class="p">=</span> <span class="s">{Transactions of the Association for Computational Linguistics (TACL)}</span><span class="p">,</span> <span class="p">}</span></code></pre></figure> </div> </div> </div> </li> <li>  <div class="row"> <div class="col-sm-2 preview"><img class="preview z-depth-1 rounded" src="/assets/img/publication_preview/2024_wow_1.png"></div>  <div id="yao2024wow" class="col-sm-8">  <div class="title">Varying Shades of Wrong: Aligning LLMs with Wrong Answers Only</div>  <div class="author"> Jihan Yao, Wenxuan Ding, Shangbin Feng, <em>Lucy Lu Wang</em>, and Yulia Tsvetkov</div>  <div class="periodical"> <em>ICLR</em> Apr 2025 </div>  <div class="links"> <a href="https://arxiv.org/abs/2410.11055" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">arXiv</a> <a href="/assets/pdf/2024_yao_wow_arxiv.pdf" class="btn btn-sm z-depth-0" role="button">PDF</a> <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a> </div>  <div class="bibtex hidden"> <figure class="highlight"><pre><code class="language-bibtex" data-lang="bibtex"><span class="nc">@article</span><span class="p">{</span><span class="nl">yao2024wow</span><span class="p">,</span> <span class="na">title</span> <span class="p">=</span> <span class="s">{Varying Shades of Wrong: Aligning LLMs with Wrong Answers Only}</span><span class="p">,</span> <span class="na">author</span> <span class="p">=</span> <span class="s">{Yao, Jihan and Ding, Wenxuan and Feng, Shangbin and Wang, Lucy Lu and Tsvetkov, Yulia}</span><span class="p">,</span> <span class="na">year</span> <span class="p">=</span> <span class="s">{2025}</span><span class="p">,</span> <span class="na">month</span> <span class="p">=</span> <span class="nv">apr</span><span class="p">,</span> <span class="na">journal</span> <span class="p">=</span> <span class="s">{ICLR}</span><span class="p">,</span> <span class="p">}</span></code></pre></figure> </div> </div> </div> </li> <li>  <div class="row"> <div class="col-sm-2 preview"><img class="preview z-depth-1 rounded" src="/assets/img/publication_preview/2025_xaisurvey_2.png"></div>  <div id="hou2025xaisurvey" class="col-sm-8">  <div class="title">Explainable AI for Clinical Outcome Prediction: A Survey of Clinician Perceptions and Preferences</div>  <div class="author"> Jun Hou, and <em>Lucy Lu Wang</em> </div>  <div class="periodical"> <em>AMIA Informatics Summit</em> Mar 2025 </div>  <div class="links"> <a href="/assets/pdf/2025_hou_xaisurvey_amia.pdf" class="btn btn-sm z-depth-0" role="button">PDF</a> <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a> </div>  <div class="bibtex hidden"> <figure class="highlight"><pre><code class="language-bibtex" data-lang="bibtex"><span class="nc">@article</span><span class="p">{</span><span class="nl">hou2025xaisurvey</span><span class="p">,</span> <span class="na">title</span> <span class="p">=</span> <span class="s">{Explainable AI for Clinical Outcome Prediction: A Survey of Clinician Perceptions and Preferences}</span><span class="p">,</span> <span class="na">author</span> <span class="p">=</span> <span class="s">{Hou, Jun and Wang, Lucy Lu}</span><span class="p">,</span> <span class="na">year</span> <span class="p">=</span> <span class="s">{2025}</span><span class="p">,</span> <span class="na">month</span> <span class="p">=</span> <span class="nv">mar</span><span class="p">,</span> <span class="na">journal</span> <span class="p">=</span> <span class="s">{AMIA Informatics Summit}</span><span class="p">,</span> <span class="p">}</span></code></pre></figure> </div> </div> </div> </li> <li>  <div class="row"> <div class="col-sm-2 preview"><img class="preview z-depth-1 rounded" src="/assets/img/publication_preview/2024_appls_2.png"></div>  <div id="guo2024appls" class="col-sm-8">  <div class="title">APPLS: Evaluating Evaluation Metrics for Plain Language Summarization</div>  <div class="author"> Yue Guo, Tal August, Gondy Leroy, Trevor Cohen, and <em>Lucy Lu Wang</em> </div>  <div class="periodical"> <em>EMNLP</em> Nov 2024 </div>  <div class="links"> <a href="https://arxiv.org/abs/2305.14341" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">arXiv</a> <a href="https://aclanthology.org/2024.emnlp-main.519" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">ACL</a> <a href="/assets/pdf/2024_guo_appls_emnlp.pdf" class="btn btn-sm z-depth-0" role="button">PDF</a> <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a> </div>  <div class="bibtex hidden"> <figure class="highlight"><pre><code class="language-bibtex" data-lang="bibtex"><span class="nc">@article</span><span class="p">{</span><span class="nl">guo2024appls</span><span class="p">,</span> <span class="na">title</span> <span class="p">=</span> <span class="s">{APPLS: Evaluating Evaluation Metrics for Plain Language Summarization}</span><span class="p">,</span> <span class="na">author</span> <span class="p">=</span> <span class="s">{Guo, Yue and August, Tal and Leroy, Gondy and Cohen, Trevor and Wang, Lucy Lu}</span><span class="p">,</span> <span class="na">journal</span> <span class="p">=</span> <span class="s">{EMNLP}</span><span class="p">,</span> <span class="na">year</span> <span class="p">=</span> <span class="s">{2024}</span><span class="p">,</span> <span class="na">month</span> <span class="p">=</span> <span class="nv">nov</span><span class="p">,</span> <span class="na">doi</span> <span class="p">=</span> <span class="s">{10.18653/v1/2024.emnlp-main.519}</span><span class="p">,</span> <span class="p">}</span></code></pre></figure> </div> </div> </div> </li> <li>  <div class="row"> <div class="col-sm-2 preview"><img class="preview z-depth-1 rounded" src="/assets/img/publication_preview/2024_abstentionqa_0.png"></div>  <div id="wen2024characterizing" class="col-sm-8">  <div class="title">Characterizing LLM Abstention Behavior in Science QA with Context Perturbations</div>  <div class="author"> Bingbing Wen, Bill Howe, and <em>Lucy Lu Wang</em> </div>  <div class="periodical"> <em>EMNLP Findings</em> Nov 2024 </div>  <div class="links"> <a href="https://arxiv.org/abs/2404.12452" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">arXiv</a> <a href="https://aclanthology.org/2024.findings-emnlp.197" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">ACL</a> <a href="/assets/pdf/2024_wen_abstentionqa_emnlp.pdf" class="btn btn-sm z-depth-0" role="button">PDF</a> <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a> </div>  <div class="bibtex hidden"> <figure class="highlight"><pre><code class="language-bibtex" data-lang="bibtex"><span class="nc">@article</span><span class="p">{</span><span class="nl">wen2024characterizing</span><span class="p">,</span> <span class="na">title</span> <span class="p">=</span> <span class="s">{Characterizing LLM Abstention Behavior in Science QA with Context Perturbations}</span><span class="p">,</span> <span class="na">author</span> <span class="p">=</span> <span class="s">{Wen, Bingbing and Howe, Bill and Wang, Lucy Lu}</span><span class="p">,</span> <span class="na">year</span> <span class="p">=</span> <span class="s">{2024}</span><span class="p">,</span> <span class="na">month</span> <span class="p">=</span> <span class="nv">nov</span><span class="p">,</span> <span class="na">journal</span> <span class="p">=</span> <span class="s">{EMNLP Findings}</span><span class="p">,</span> <span class="na">doi</span> <span class="p">=</span> <span class="s">{10.18653/v1/2024.findings-emnlp.197}</span><span class="p">,</span> <span class="p">}</span></code></pre></figure> </div> </div> </div> </li> <li>  <div class="row"> <div class="col-sm-2 preview"><img class="preview z-depth-1 rounded" src="/assets/img/publication_preview/2024_a11ydecline_0.png"></div>  <div id="kumar2024uncovering" class="col-sm-8">  <div class="title">Uncovering the New Accessibility Crisis in Scholarly PDFs: Publishing Model and Platform Changes Contribute to Declining Scholarly Document Accessibility in the Last Decade</div>  <div class="author"> Anukriti Kumar, and <em>Lucy Lu Wang</em> </div>  <div class="periodical"> <em>ASSETS</em> Oct 2024 </div>  <div class="links"> <a href="https://arxiv.org/abs/2410.03022" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">arXiv</a> <a href="https://dl.acm.org/doi/fullHtml/10.1145/3663548.3675634" class="btn btn-sm z-depth-0" role="button" target="_blank" rel="noopener noreferrer">HTML</a> <a href="/assets/pdf/2024_kumar_a11ydecline_assets.pdf" class="btn btn-sm z-depth-0" role="button">PDF</a> <a class="bibtex btn btn-sm z-depth-0" role="button">Bib</a> </div>  <div class="bibtex hidden"> <figure class="highlight"><pre><code class="language-bibtex" data-lang="bibtex"><span class="nc">@article</span><span class="p">{</span><span class="nl">kumar2024uncovering</span><span class="p">,</span> <span class="na">title</span> <span class="p">=</span> <span class="s">{Uncovering the New Accessibility Crisis in Scholarly PDFs: Publishing Model and Platform Changes Contribute to Declining Scholarly Document Accessibility in the Last Decade}</span><span class="p">,</span> <span class="na">author</span> <span class="p">=</span> <span class="s">{Kumar, Anukriti and Wang, Lucy Lu}</span><span class="p">,</span> <span class="na">year</span> <span class="p">=</span> <span class="s">{2024}</span><span class="p">,</span> <span class="na">month</span> <span class="p">=</span> <span class="nv">oct</span><span class="p">,</span> <span class="na">journal</span> <span class="p">=</span> <span class="s">{ASSETS}</span><span class="p">,</span> <span class="na">doi</span> <span class="p">=</span> <span class="s">{10.1145/3663548.3675634}</span><span class="p">,</span> <span class="p">}</span></code></pre></figure> </div> </div> </div> </li> </ol> </div> <div> </div>  <div class="social"> <div class="contact-icons"> <a href="mailto:%6C%75%63%79%6C%77@%75%77.%65%64%75" title="email"><i class="fas fa-envelope"></i></a> <a href="https://orcid.org/0000-0001-8752-6635" title="ORCID" target="_blank" rel="noopener noreferrer"><i class="ai ai-orcid"></i></a> <a href="https://scholar.google.com/citations?user=REBtJOYAAAAJ" title="Google Scholar" target="_blank" rel="noopener noreferrer"><i class="ai ai-google-scholar"></i></a> <a href="https://www.semanticscholar.org/author/31860505" title="Semantic Scholar" target="_blank" rel="noopener noreferrer"><i class="ai ai-semantic-scholar"></i></a> <a href="https://github.com/lucylw" title="GitHub" 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