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	<title>Jia Xu</title>
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		<title>Shaped by Change: Resilience and Growth in a Global Research Career</title>
		<link>https://www.jiaxustevens.com/shaped-by-change-resilience-and-growth-in-a-global-research-career/</link>
		
		<dc:creator><![CDATA[Jia Xu]]></dc:creator>
		<pubDate>Tue, 23 Dec 2025 20:34:19 +0000</pubDate>
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		<guid isPermaLink="false">https://www.jiaxustevens.com/?p=78</guid>

					<description><![CDATA[<p>Resilience is a word we often hear in academia, but it is rarely taught. For me, resilience has not been a single dramatic event. Rather, it is a gradual, ongoing process shaped by experiences such as moving between research domains, tackling diverse tasks, and confronting challenges like adversarial attacks, all of which require continual adaptation [&#8230;]</p>
<p>The post <a href="https://www.jiaxustevens.com/shaped-by-change-resilience-and-growth-in-a-global-research-career/">Shaped by Change: Resilience and Growth in a Global Research Career</a> appeared first on <a href="https://www.jiaxustevens.com">Jia Xu</a>.</p>
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<p>Resilience is a word we often hear in academia, but it is rarely taught. For me, resilience has not been a single dramatic event. Rather, it is a gradual, ongoing process shaped by experiences such as moving between research domains, tackling diverse tasks, and confronting challenges like adversarial attacks, all of which require continual adaptation and learning. For example,&nbsp; learning new languages and adapting to very different research cultures. Building a global academic career has required flexibility, humility, and persistence, and it continues to shape how I approach research, teaching, and mentorship today.</p>



<h2 class="wp-block-heading">Starting Over in a New Language</h2>



<p>One of the earliest tests of resilience in my life came when I moved to Germany at the age of nineteen. I arrived with ambition and curiosity, but very limited knowledge of the language and academic system. Suddenly, every part of daily life required effort. Lectures, exams, and even casual conversations demanded concentration and patience.</p>



<p>Studying for my bachelor’s and master’s degrees entirely in German forced me to rediscover how to learn. I could no longer rely on speed or confidence; I had to slow down, ask questions, and embrace trials and errors as part of the process. Over time, what once felt like a barrier became a strength. That experience showed me that true growth often begins with discomfort, and that persistence can transform obstacles into stepping stones.</p>



<h2 class="wp-block-heading">Navigating Different Academic Cultures</h2>



<p>Each academic system has its own expectations, values, and unspoken rules. Moving between institutions and countries made this very clear to me. What counts as strong research, effective collaboration, or meaningful mentorship can vary with context, goals, and the people involved.</p>



<p>In Europe, I learned the importance of rigorous evaluation and long-term thinking. In Asia, I experienced a strong emphasis on discipline, collective effort, and high standards. In the United States, I saw how creativity, independence, and interdisciplinary work are often encouraged. None of these approaches is better or worse. Each offers valuable lessons.</p>



<p>Resilience, in this context, meant learning to listen before acting. It meant adapting communication styles, adjusting teaching methods, and being open to feedback. Over time, I realized that immersion in different environments did not dilute my identity as a researcher. It strengthened it.</p>



<h2 class="wp-block-heading">Research Is a Marathon, Not Only a Sprint</h2>



<p>Academic research is often highlighted for its major discoveries, but true progress usually comes from sustained effort over time. Working across cultures and institutions adds depth and perspective to the journey, even if it requires patience and persistence.</p>



<p>What has been most empowering for me is learning to focus on growth and engagement rather than immediate outcomes. Staying curious, adapting, and embracing each step of the journey builds resilience and confidence as a researcher.</p>



<h2 class="wp-block-heading">Consistency is key. Regularly reading, reflecting, mentoring, and refining ideas creates momentum that grows over time. Many of my most meaningful contributions have emerged from projects that evolved and matured over several years, showing that patience and steady effort are the foundations of lasting impact. Building Community Across Borders</h2>



<p>A global academic career is never a solo journey. Some of the most important moments in my path came through collaboration. Research visits, joint projects, and international competitions foster connections that combine diverse perspectives and collaborative creativity, creating solid ground for innovation.&nbsp;</p>



<p>Working with diverse teams taught me empathy and adaptability. People think differently depending on their training and cultural background. Learning to appreciate these differences made my research stronger and more creative. It also reinforced the importance of trust and respect in any collaboration.</p>



<p>Community also matters during difficult times. Mentors, colleagues, and students often provided perspective when challenges felt overwhelming. Resilience grows faster when it is shared.</p>



<h2 class="wp-block-heading">Mentorship as a Two-Way Process</h2>



<p>As I progressed in my career, mentorship became central to my work. Advising students from different backgrounds reminded me of my own early struggles. It also pushed me to be more patient and attentive.</p>



<p>Resilience is not about telling students to endure hardship silently. It is about helping them build confidence, develop skills, and see setbacks as part of learning. I encourage my students to focus on long-term growth rather than immediate validation. Research careers are shaped over decades, not semesters.</p>



<p>At the same time, I continue to learn from my students. Their questions, creativity, and perspectives challenge me to keep evolving. This exchange keeps my work grounded and meaningful.</p>



<h2 class="wp-block-heading">Finding Balance and Purpose</h2>



<p>An academic career can be demanding. Talks, deadlines, and high expectations require careful attention to balance over time. I have learned that resilience also involves maintaining perspective and well-being, which support sustained engagement and meaningful work.</p>



<p>I often remind myself why I chose this path. Research allows me to explore ideas, contribute to knowledge, and develop tools that benefit others. Teaching allows me to support and inspire the next generation. When challenges arise, reconnecting with this sense of purpose helps me move forward.</p>



<p>Building an academic career has taught me that resilience is not about being unbreakable. It is about remaining adaptable, reflective, and committed to growth. Each transition, challenge, and new environment has shaped how I think and who I am as a researcher, and this ongoing process continues to be one of the most rewarding aspects of my journey.</p>
<p>The post <a href="https://www.jiaxustevens.com/shaped-by-change-resilience-and-growth-in-a-global-research-career/">Shaped by Change: Resilience and Growth in a Global Research Career</a> appeared first on <a href="https://www.jiaxustevens.com">Jia Xu</a>.</p>
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		<title>Smaller, Smarter, and Sustainable: Rethinking the Future of Large Language Models</title>
		<link>https://www.jiaxustevens.com/smaller-smarter-and-sustainable-rethinking-the-future-of-large-language-models/</link>
		
		<dc:creator><![CDATA[Jia Xu]]></dc:creator>
		<pubDate>Tue, 23 Dec 2025 20:13:16 +0000</pubDate>
				<category><![CDATA[Uncategorized]]></category>
		<guid isPermaLink="false">https://www.jiaxustevens.com/?p=75</guid>

					<description><![CDATA[<p>For the past several years, large language models have captured the imagination of researchers, industry leaders, and the public. Bigger models, trained on more data with more parameters, have produced impressive results across translation, dialogue, reasoning, and creative tasks. I have worked in natural language processing long enough to appreciate how remarkable this progress is. [&#8230;]</p>
<p>The post <a href="https://www.jiaxustevens.com/smaller-smarter-and-sustainable-rethinking-the-future-of-large-language-models/">Smaller, Smarter, and Sustainable: Rethinking the Future of Large Language Models</a> appeared first on <a href="https://www.jiaxustevens.com">Jia Xu</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>For the past several years, large language models have captured the imagination of researchers, industry leaders, and the public. Bigger models, trained on more data with more parameters, have produced impressive results across translation, dialogue, reasoning, and creative tasks. I have worked in natural language processing long enough to appreciate how remarkable this progress is. At the same time, my research and practical experience have convinced me of something equally important: the future of impactful AI will not be defined by size alone.</p>



<p>In many real-world settings, smaller and smarter models can outperform larger ones in ways that truly matter. Efficiency, reliability, and sustainability are no longer optional. They are essential.</p>



<h2 class="wp-block-heading">Why Bigger Is Not Always Better</h2>



<p>The prevailing assumption in AI has often been that more parameters lead to better intelligence. While this has been true in many benchmarks, it comes with serious trade-offs. Large language models demand enormous computational resources, energy consumption, and specialized hardware. These costs limit who can build, deploy, and benefit from advanced AI systems.</p>



<p>In practice, many organizations do not need models with hundreds of billions of parameters. They need systems that are fast, affordable, and dependable. A hospital, a classroom, or a small startup cannot always rely on cloud-scale infrastructure. If AI is meant to serve society broadly, it must function where resources are limited.</p>



<p>Smaller models also allow for greater transparency and control. When systems become too large and complex, understanding their behavior becomes more difficult. This can increase risks related to bias, safety, and unintended consequences.</p>



<h2 class="wp-block-heading">What It Means to Make Models Smarter</h2>



<p>Making models smaller does not mean lowering standards. On the contrary, it demands better design. A smarter model is one that uses its capacity effectively. It learns meaningful patterns instead of memorizing surface-level correlations.</p>



<p>In my research, I focus on approaches that improve generalization. This includes better architectures, task-aware representations, and training strategies that encourage reasoning rather than repetition. A well-designed smaller model can often match or exceed the performance of a larger one on specific tasks.</p>



<p>Another key idea is specialization. Instead of building one massive model to do everything, we can create focused models that excel at defined tasks. This leads to better reliability and easier evaluation. It also allows us to combine systems in flexible ways, choosing the right tool for each job.</p>



<h2 class="wp-block-heading">Model Compression as a Design Philosophy</h2>



<p>Model compression is sometimes viewed as an afterthought, something applied once a large model is already trained. I see it differently. Compression should be a design principle from the start.</p>



<p>Techniques such as pruning, quantization, and knowledge distillation allow us to reduce model size while preserving performance. When done carefully, these methods do more than shrink models. They help reveal what knowledge truly matters. Distillation, for example, transfers insights from a large model into a smaller one, often resulting in cleaner and more stable behavior.</p>



<p>Compression also forces us to confront inefficiencies in our models. If a system loses performance when reduced, that often signals redundancy or overfitting. Addressing these issues leads to stronger models overall.</p>



<h2 class="wp-block-heading">Sustainability Is a Research Responsibility</h2>



<p>AI research has an environmental footprint. Training large models consumes significant energy and contributes to carbon emissions. As researchers and practitioners, we cannot ignore this reality.</p>



<p>Sustainability is not only about energy usage. It is also about long-term maintainability. Smaller models are easier to update, audit, and deploy securely. They reduce dependency on expensive infrastructure and lower barriers to entry for researchers around the world.</p>



<p>I believe sustainable AI is ethical AI. If progress in our field comes at the cost of excluding communities or exhausting resources, then we need to rethink our priorities.</p>



<h2 class="wp-block-heading">Real-World Impact Comes from Practical AI</h2>



<p>Some of the most rewarding moments in my career have come from seeing research ideas succeed outside the lab. In real applications, latency, cost, and robustness matter as much as accuracy. A model that responds in milliseconds can be more valuable than one that produces marginally better answers but takes seconds to run.</p>



<p>Smaller models also enable edge deployment. This opens the door to privacy-preserving applications where data does not need to leave a local device. In healthcare, education, and finance, this can make a meaningful difference.</p>



<p>Competitions and industry collaborations have reinforced this lesson for me. Systems that win in controlled environments must still function under real constraints. Efficiency is often the deciding factor between a promising prototype and a deployed solution.</p>



<h2 class="wp-block-heading">Rethinking Progress in AI</h2>



<p>Progress in AI should not be measured solely by parameter counts or leaderboard scores. It should be measured by usefulness, accessibility, and positive impact. Smaller, smarter models help move us in that direction.</p>



<p>As a researcher, I see my role as building tools that others can use and trust. This means designing models that respect resource limits and serve real needs. It also means mentoring the next generation of researchers to think critically about what success truly looks like in our field.</p>



<p>We have reached a point where scaling alone is no longer enough. The next phase of AI innovation will come from thoughtful design, efficiency, and responsibility. By making our models smaller and smarter, we can make their impact larger and more meaningful.</p>
<p>The post <a href="https://www.jiaxustevens.com/smaller-smarter-and-sustainable-rethinking-the-future-of-large-language-models/">Smaller, Smarter, and Sustainable: Rethinking the Future of Large Language Models</a> appeared first on <a href="https://www.jiaxustevens.com">Jia Xu</a>.</p>
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