181 citations · 325 across the 23 of their papers we have counts for
27 papers
Live Artifacts: Authoring Dynamic Media via Live Layers Encapsulating Generative Specifications
Leixian Shen, Haotian Li, Hugo Romat +3
We frame Live Artifacts as a class of persistent generative media between static assets and interactive software. Unlike conventional generative outputs that collapse into static f…
TACT: Taxonomy-Aligned Post-Training for Pedagogically Adaptive English Tutoring
Dongjie Yang, Siyan Lin, Leixian Shen +3
Large language models (LLMs) are increasingly used to provide conversational practice for English-as-a-second-language (ESL) learners. Effective ESL tutoring, however, requires mor…
Exploring Agentic Visual Analytics: A Co-Evolutionary Framework of Roles and Workflows
Tianqi Luo, Leixian Shen, Yuyu Luo
Agentic visual analytics (VA) represents an emerging class of systems in which large language model (LLM)-driven agents autonomously plan, execute, evaluate, and iterate across the…
StoryLensEdu: Personalized Learning Report Generation through Narrative-Driven Multi-Agent Systems
Leixian Shen, Yan Luo, Rui Sheng +4
Personalized feedback plays an important role in self-regulated learning (SRL), helping students track progress and refine their strategies. However, current common solutions, such…
Interaction-Augmented Instruction: Modeling the Synergy of Prompts and Interactions in Human-GenAI Collaboration
Leixian Shen, Yifang Wang, Huamin Qu +2
Text prompt is the most common way for human-generative AI (GenAI) communication. Though convenient, it is challenging to convey fine-grained and referential intent. One promising…
NeuroSync: Intent-Aware Code-Based Problem Solving via Direct LLM Understanding Modification
Wenshuo Zhang, Leixian Shen, Shuchang Xu +4
Conversational LLMs have been widely adopted by domain users with limited programming experience to solve domain problems. However, these users often face misalignment between thei…
ChartMark: A Structured Grammar for Chart Annotation
Yiyu Chen, Yifan Wu, Shuyu Shen +4
Chart annotations enhance visualization accessibility but suffer from fragmented, non-standardized representations that limit cross-platform reuse. We propose ChartMark, a structur…
SceneLoom: Communicating Data with Scene Context
Lin Gao, Leixian Shen, Yuheng Zhao +3
In data-driven storytelling contexts such as data journalism and data videos, data visualizations are often presented alongside real-world imagery to support narrative context. How…
How Does Empirical Research Facilitate Creation Tool Design? A Data Video Perspective
Leixian Shen, Leni Yang, Haotian Li +3
Empirical research in creative design deepens our theoretical understanding of design principles and perceptual effects, offering valuable guidance for innovating creation tools. H…
ChartCards: A Chart-Metadata Generation Framework for Multi-Task Chart Understanding
Yifan Wu, Lutao Yan, Leixian Shen +3
The emergence of Multi-modal Large Language Models (MLLMs) presents new opportunities for chart understanding. However, due to the fine-grained nature of these tasks, applying MLLM…
Prompting Generative AI with Interaction-Augmented Instructions
Leixian Shen, Haotian Li, Yifang Wang +2
The emergence of generative AI (GenAI) models, including large language models and text-to-image models, has significantly advanced the synergy between humans and AI with not only…
nvBench 2.0: Resolving Ambiguity in Text-to-Visualization through Stepwise Reasoning
Tianqi Luo, Chuhan Huang, Leixian Shen +5
Text-to-Visualization (Text2VIS) enables users to create visualizations from natural language queries, making data insights more accessible. However, Text2VIS faces challenges in i…
Reflecting on Design Paradigms of Animated Data Video Tools
Leixian Shen, Haotian Li, Yun Wang +1
Animated data videos have gained significant popularity in recent years. However, authoring data videos remains challenging due to the complexity of creating and coordinating diver…
Composing Data Stories with Meta Relations
Haotian Li, Lu Ying, Leixian Shen +3
To facilitate the creation of compelling and engaging data stories, AI-powered tools have been introduced to automate the three stages in the workflow: analyzing data, organizing f…
Debugging Defective Visualizations: Empirical Insights Informing a Human-AI Co-Debugging System
Shuyu Shen, Sirong Lu, Leixian Shen +1
Visualization authoring is an iterative process requiring users to adjust parameters to achieve desired aesthetics. Due to its complexity, users often create defective visualizatio…
Data Playwright: Authoring Data Videos with Annotated Narration
Leixian Shen, Haotian Li, Yun Wang +3
Creating data videos that effectively narrate stories with animated visuals requires substantial effort and expertise. A promising research trend is leveraging the easy-to-use natu…
Narrative Player: Reviving Data Narratives with Visuals
Zekai Shao, Leixian Shen, Haotian Li +4
Data-rich documents are commonly found across various fields such as business, finance, and science. However, a general limitation of these documents for reading is their reliance…
From Data to Story: Towards Automatic Animated Data Video Creation with LLM-based Multi-Agent Systems
Leixian Shen, Haotian Li, Yun Wang +1
Creating data stories from raw data is challenging due to humans' limited attention spans and the need for specialized skills. Recent advancements in large language models (LLMs) o…
NotePlayer: Engaging Jupyter Notebooks for Dynamic Presentation of Analytical Processes
Yang Ouyang, Leixian Shen, Yun Wang +1
Diverse presentation formats play a pivotal role in effectively conveying code and analytical processes during data analysis. One increasingly popular format is tutorial videos, pa…
PyGWalker: On-the-fly Assistant for Exploratory Visual Data Analysis
Yue Yu, Leixian Shen, Fei Long +2
Exploratory visual data analysis tools empower data analysts to efficiently and intuitively explore data insights throughout the entire analysis cycle. However, the gap between com…
ChartInsights: Evaluating Multimodal Large Language Models for Low-Level Chart Question Answering
Yifan Wu, Lutao Yan, Leixian Shen +3
Chart question answering (ChartQA) tasks play a critical role in interpreting and extracting insights from visualization charts. While recent advancements in multimodal large langu…
Data Player: Automatic Generation of Data Videos with Narration-Animation Interplay
Leixian Shen, Yizhi Zhang, Haidong Zhang +1
Data visualizations and narratives are often integrated to convey data stories effectively. Among various data storytelling formats, data videos have been garnering increasing atte…
WonderFlow: Narration-Centric Design of Animated Data Videos
Yun Wang, Leixian Shen, Zhengxin You +5
Creating an animated data video enriched with audio narration takes a significant amount of time and effort and requires expertise. Users not only need to design complex animations…
Graph Exploration with Embedding-Guided Layouts
Leixian Shen, Zhiwei Tai, Enya Shen +1
Node-link diagrams are widely used to visualize graphs. Most graph layout algorithms only use graph topology for aesthetic goals (e.g., minimize node occlusions and edge crossings)…