KnowledgeTrail: Generative Timeline for Exploration and Sensemaking of Historical Events and Knowledge Formation
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866914104825872384 |
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| author | Suh, Sangho Hingorani, Rahul Wang, Bryan Grossman, Tovi |
| author_facet | Suh, Sangho Hingorani, Rahul Wang, Bryan Grossman, Tovi |
| contents | The landscape of interactive systems is shifting toward dynamic, generative experiences that empower users to explore and construct knowledge in real time. Yet, timelines -- a fundamental tool for representing historical and conceptual development -- remain largely static, limiting user agency and curiosity. We introduce the concept of a generative timeline: an AI-powered timeline that adapts to users' evolving questions by expanding or contracting in response to input. We instantiate this concept through KnowledgeTrail, a system that enables users to co-construct timelines of historical events and knowledge formation processes. Two user studies showed that KnowledgeTrail fosters curiosity-driven exploration, serendipitous discovery, and the ability to trace complex relationships between ideas and events, while citation features supported verification yet revealed fragile trust shaped by perceptions of source credibility. We contribute a vision for generative timelines as a new class of exploratory interface, along with design insights for balancing serendipity and credibility. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_12113 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | KnowledgeTrail: Generative Timeline for Exploration and Sensemaking of Historical Events and Knowledge Formation Suh, Sangho Hingorani, Rahul Wang, Bryan Grossman, Tovi Human-Computer Interaction The landscape of interactive systems is shifting toward dynamic, generative experiences that empower users to explore and construct knowledge in real time. Yet, timelines -- a fundamental tool for representing historical and conceptual development -- remain largely static, limiting user agency and curiosity. We introduce the concept of a generative timeline: an AI-powered timeline that adapts to users' evolving questions by expanding or contracting in response to input. We instantiate this concept through KnowledgeTrail, a system that enables users to co-construct timelines of historical events and knowledge formation processes. Two user studies showed that KnowledgeTrail fosters curiosity-driven exploration, serendipitous discovery, and the ability to trace complex relationships between ideas and events, while citation features supported verification yet revealed fragile trust shaped by perceptions of source credibility. We contribute a vision for generative timelines as a new class of exploratory interface, along with design insights for balancing serendipity and credibility. |
| title | KnowledgeTrail: Generative Timeline for Exploration and Sensemaking of Historical Events and Knowledge Formation |
| topic | Human-Computer Interaction |
| url | https://arxiv.org/abs/2510.12113 |