CharmBana: A Charming Social Bot

The social bot will be able to hold interesting discussions on contemporary events related to the entity that is central to the conversation.

We aim to use psychological theories about interestingness, curiosity, and empathy as a basis to design a general model-based conversation framework and use the framework to build a social bot that can hold informative, coherent, engaging conversations adapted to each user dynamically using real-time information from the web.

CharmBana: A Charming Social Bot (2022)
Team CharmBana (2022)

Revanth Gangi Reddy - Team leader

Reddy is a first year PhD student at UIUC whose research interests are in natural language understanding, more specifically in question answering and information retrieval. He has published more than 10 research papers in these areas at multiple top-tier conferences, such as AAAI, EMNLP, ACL, SIGIR and COLING. More recently, his research is aimed at addressing the information need in news, with a goal of improving comprehension for news readers, that include public health analysts, defense experts and journalists.

Karan Aggarwal

Aggarwal is a first-year master's student, studying computer science at University of Illinois, Urbana- Champaign. His research interests lie in the area of natural language processing, parallel systems and networking. In the past he has worked on high compute cloud-based applications as well as recommender systems in the e-commerce space. More recently his research has been focused on application development catered towards effective use of cloud resources and recommendation algorithms popular in the advertising space.

Stuti Agrawal

Stuti Agrawal is a second-year undergraduate student studying computer science at the University of Illinois Urbana-Champaign. Her research interests lie in the field of natural language processing and machine learning. In the past, she has worked on research in natural language processing specifically, information retrieval.

Hao (Jack) Bai

Bai is a senior computer engineering student at Zhejiang University and University of Illinois Urbana-Champaign. He has researched topics in gradient-based methods, including NLP, CV, frameworks, and quantitative finance. He studied (NLP) task-oriented dialog systems, code generation models, (CV) multi-object tracking, surface registration, fine-grained instance segmentation and (Framework) distributed deep learning frameworks. He is currently (NLP) researching on open domain question answering and (Quants) earning Certificate in Quantitative Finance (CQF).

Sharath Chandra

Chandra is a first-year master’s student studying Computer Science at the University of Illinois Urbana-Champaign. His research interests lie in the field of Natural Language Processing and Human Computer Interaction. In the past, he has tech lead experience working in a SaaS and B2B based company exploring the field of NLP and also text/chat automation. Motivated by his experience, he plans to find ways of offering NLP as a more accessible tool to the people for everyday use.

Varun Goyal

Goyal is a first year master's student pursuing computer science at the University of Illinois Urbana-Champaign. His research interests are in Natural Language Processing, more specifically in Information Extraction and Text Summarization. He has previously also worked on Data Mining and Computer Vision techniques. He has researched on and experimented with convolutional time series modelling, image segmentation, object detection, and image captioning. Motivated by his experience, he wants to research multimodal information extraction for the better comprehension of the diverse and gigantic amounts of text and visual data available.

Keyu Han

Han is a second year master's student majoring in information management in the School of Information Sciences at University of Illinois at Urbana-Champaign in Champaign, Illinois, United States. She has experience in e-commerce projects.

Liliang Ren

Ren is a third-year PhD candidate in the Text Information Management and Analysis Group, affiliated with the Data and Information Systems Laboratory at University of Illinois Urbana-Champaign. Ren earned her master's degree at University of California San Diego in 2020, and her undergraduate degree at Shanghai Jiao Tong University in 2018.

Prathamesh Sonawane

Sonawane is a first year master's student, studying computer science at University of Illinois, Urbana- Champaign. His research interests lie in the area of natural language processing and computer vision, particularly information retrieval and understanding. In the past he has worked on named-entity recognition, sentiment analysis, entity resolution, object tracking, and generative models, among other topics in the field of artificial intelligence. More recently his research has been focused on model architectures for efficient information retrieval and applications of Computer vision in autonomous systems.

Mankeerat Sidhu

Sidhu is currently studying computer engineering as a second year undergraduate student at UIUC. His research interests are in natural language processing and audio digital signal processing, more specifically in long document summarization. In the future, he wishes to do a PhD and work on a long term goal of a better access to information, providing a structured knowledge sense that is easily adaptable, explainable and capable of reasoning. In his previous works, he has dealt with deploying the machine learning models onto various platforms and and providing a smooth user interface along a vast domain of applications.

Wentao Yao

Yao is a senior student majoring in computer engineering at Zhejiang University and University of Illinois Urbana- Champaign. His research interests include QA system design, Chatbot, big model deployment and optimization. He has done multiple projects in AI Teaching Chatbot design and AI model systems based on open-domain question answering. He has also participated in NVIDIA TensorRT Hackathon 2022 Transformer Model Optimization Contest, working on Transformer- based model optimization for AI inference.

ChengXiang Zhai - Faculty advisor

Zhai is a Donald Biggar Willett Professor in Engineering in the Department of Computer Science. His general interests are in developing all kinds of novel intelligent information systems to help people manage and exploit large amounts of data and augment human intelligence, especially text data.

Latest news

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US, CA, San Francisco
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US, MA, Boston
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US, MA, Boston
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US, WA, Bellevue
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CA, ON, Toronto
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US, MA, N.reading
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US, WA, Seattle
As part of the AWS Solutions organization, we have a vision to provide business applications, leveraging Amazon’s unique experience and expertise, that are used by millions of companies worldwide to manage day-to-day operations. We will accomplish this by accelerating our customers’ businesses through delivery of intuitive and differentiated technology solutions that solve enduring business challenges. We blend vision with curiosity and Amazon’s real-world experience to build opinionated, turnkey solutions. Where customers prefer to buy over build, we become their trusted partner with solutions that are no-brainers to buy and easy to use. The Team Just Walk Out (JWO) is a new kind of store with no lines and no checkout—you just grab and go! Customers simply use the Amazon Go app to enter the store, take what they want from our selection of fresh, delicious meals and grocery essentials, and go! Our checkout-free shopping experience is made possible by our Just Walk Out Technology, which automatically detects when products are taken from or returned to the shelves and keeps track of them in a virtual cart. When you’re done shopping, you can just leave the store. Shortly after, we’ll charge your account and send you a receipt. Check it out at amazon.com/go. Designed and custom-built by Amazonians, our Just Walk Out Technology uses a variety of technologies including computer vision, sensor fusion, and advanced machine learning. Innovation is part of our DNA! Our goal is to be Earths’ most customer centric company and we are just getting started. We need people who want to join an ambitious program that continues to push the state of the art in computer vision, machine learning, distributed systems and hardware design. Key job responsibilities Everyone on the team needs to be entrepreneurial, wear many hats and work in a highly collaborative environment that’s more startup than big company. We’ll need to tackle problems that span a variety of domains: computer vision, image recognition, machine learning, real-time and distributed systems. As an Applied Scientist, you will help solve a variety of technical challenges and mentor other scientists. You will tackle challenging, novel situations every day and given the size of this initiative, you’ll have the opportunity to work with multiple technical teams at Amazon in different locations. You should be comfortable with a degree of ambiguity that’s higher than most projects and relish the idea of solving problems that, frankly, haven’t been solved at scale before - anywhere. Along the way, we guarantee that you’ll learn a ton, have fun and make a positive impact on millions of people. A key focus of this role will be developing and implementing advanced visual reasoning systems that can understand complex spatial relationships and object interactions in real-time. You'll work on designing autonomous AI agents that can make intelligent decisions based on visual inputs, understand customer behavior patterns, and adapt to dynamic retail environments. This includes developing systems that can perform complex scene understanding, reason about object permanence, and predict customer intentions through visual cues. About the team AWS Solutions As part of the AWS solutions organization, we have a vision to provide business applications, leveraging Amazon's unique experience and expertise, that are used by millions of companies worldwide to manage day-to-day operations. We will accomplish this by accelerating our customers' businesses through delivery of intuitive and differentiated technology solutions that solve enduring business challenges. we blend vision with curiosity and Amazon's real-world experience to build opinionated, turnkey solutions. Where customers prefer to buy over build, we become their trusted partner with solutions that are no-brainers to buy and easy to use. About AWS Diverse Experiences AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying. Why AWS? Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. Inclusive Team Culture AWS values curiosity and connection. Our employee-led and company-sponsored affinity groups promote inclusion and empower our people to take pride in what makes us unique. Our inclusion events foster stronger, more collaborative teams. Our continual innovation is fueled by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do. Mentorship & Career Growth We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional. Work/Life Balance We value work-life harmony. 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US, MA, Boston
We're a new research lab based in San Francisco and Boston focused on developing foundational capabilities for useful AI agents. We're pursuing several key research bets that will enable AI agents to perform real-world actions, learn from human feedback, self-course-correct, and infer human goals. We're particularly excited about combining large language models (LLMs) with reinforcement learning (RL) to solve reasoning and planning, learned world models, and generalizing agents to physical environments. We're a small, talent-dense team with the resources and scale of Amazon. Each team has the autonomy to move fast and the long-term commitment to pursue high-risk, high-payoff research. AI agents are the next frontier—the right research bets can reinvent what's possible. Join us and help build this lab from the ground up. Key job responsibilities * Define the product vision and roadmap for our agentic developer platform, translating research into products developers love * Partner deeply with research and engineering to identify which capabilities are ready for productization and shape how they're exposed to customers * Own the developer experience end-to-end from API design and SDK ergonomics to documentation, sample apps, and onboarding flows * Understand our customers deeply by engaging directly with developers and end-users, synthesizing feedback, and using data to drive prioritization * Shape how the world builds AI agents by defining new primitives, patterns, and best practices for agentic applications About the team Our team brings the AGI Lab's agent capabilities to customers. We build accessible, usable products: interfaces, frameworks, and solutions, that turn our platform and model capabilities into AI agents developers can use. We own the Nova Act agent playground, Nova Act IDE extension, Nova Act SDK, Nova Act AWS Console, reference architectures, sample applications, and more.
US, WA, Bellevue
This is currently a 12 month temporary contract opportunity with the possibility to extend to 24 months based on business needs. The Artificial General Intelligence (AGI) team is seeking a dedicated, skilled, and innovative Applied Scientist with a robust background in machine learning, statistics, quality assurance, auditing methodologies, and automated evaluation systems to ensure the highest standards of data quality, to build industry-leading technology with Large Language Models (LLMs) and multimodal systems. Key job responsibilities As part of the AGI team, an Applied Scientist will collaborate closely with core scientist team developing Amazon Nova models. They will lead the development of comprehensive quality strategies and auditing frameworks that safeguard the integrity of data collection workflows. This includes designing auditing strategies with detailed SOPs, quality metrics, and sampling methodologies that help Nova improve performances on benchmarks. The Applied Scientist will perform expert-level manual audits, conduct meta-audits to evaluate auditor performance, and provide targeted coaching to uplift overall quality capabilities. A critical aspect of this role involves developing and maintaining LLM-as-a-Judge systems, including designing judge architectures, creating evaluation rubrics, and building machine learning models for automated quality assessment. The Applied Scientist will also set up the configuration of data collection workflows and communicate quality feedback to stakeholders. An Applied Scientist will also have a direct impact on enhancing customer experiences through high-quality training and evaluation data that powers state-of-the-art LLM products and services. A day in the life An Applied Scientist with the AGI team will support quality solution design, conduct root cause analysis on data quality issues, research new auditing methodologies, and find innovative ways of optimizing data quality while setting examples for the team on quality assurance best practices and standards. Besides theoretical analysis and quality framework development, an Applied Scientist will also work closely with talented engineers, domain experts, and vendor teams to put quality strategies and automated judging systems into practice.
US, WA, Seattle
Amazon Music is an immersive audio entertainment service that deepens connections between fans, artists, and creators. From personalized music playlists to exclusive podcasts, concert livestreams to artist merch, Amazon Music is innovating at some of the most exciting intersections of music and culture. We offer experiences that serve all listeners with our different tiers of service: Prime members get access to all the music in shuffle mode, and top ad-free podcasts, included with their membership; customers can upgrade to Amazon Music Unlimited for unlimited, on-demand access to 100 million songs, including millions in HD, Ultra HD, and spatial audio; and anyone can listen for free by downloading the Amazon Music app or via Alexa-enabled devices. Join us for the opportunity to influence how Amazon Music engages fans, artists, and creators on a global scale. We are seeking a highly skilled and analytical Research Scientist. You will play an integral part in the measurement and optimization of Amazon Music marketing activities. You will have the opportunity to work with a rich marketing dataset together with the marketing managers. This role will focus on developing and implementing causal models and randomized controlled trials to assess marketing effectiveness and inform strategic decision-making. This role is suitable for candidates with strong background in causal inference, statistical analysis, and data-driven problem-solving, with the ability to translate complex data into actionable insights. As a key member of our team, you will work closely with cross-functional partners to optimize marketing strategies and drive business growth. Key job responsibilities Develop Causal Models Design, build, and validate causal models to evaluate the impact of marketing campaigns and initiatives. Leverage advanced statistical methods to identify and quantify causal relationships. Conduct Randomized Controlled Trials Design and implement randomized controlled trials (RCTs) to rigorously test the effectiveness of marketing strategies. Ensure robust experimental design and proper execution to derive credible insights. Statistical Analysis and Inference Perform complex statistical analyses to interpret data from experiments and observational studies. Use statistical software and programming languages to analyze large datasets and extract meaningful patterns. Data-Driven Decision Making Collaborate with marketing teams to provide data-driven recommendations that enhance campaign performance and ROI. Present findings and insights to stakeholders in a clear and actionable manner. Collaborative Problem Solving Work closely with cross-functional teams, including marketing, product, and engineering, to identify key business questions and develop analytical solutions. Foster a culture of data-informed decision-making across the organization. Stay Current with Industry Trends Keep abreast of the latest developments in data science, causal inference, and marketing analytics. Apply new methodologies and technologies to improve the accuracy and efficiency of marketing measurement. Documentation and Reporting Maintain comprehensive documentation of models, experiments, and analytical processes. Prepare reports and presentations that effectively communicate complex analyses to non-technical audiences.