NoTeeline: Supporting Real-Time Notetaking from Keypoints with Large Language Models
Faria Huq, Abdus Samee, David Chuan-en Lin, Xiaodi Alice Tang, Jeffrey P. Bigham
2024-09-26

Summary
This paper talks about NoTeeline, an innovative system designed to help users take notes in real-time while watching videos. It allows users to write quick key points, called micronotes, which are then automatically expanded into detailed notes that match the user's writing style.
What's the problem?
Taking notes while watching videos can be very time-consuming and mentally exhausting. Traditional note-taking methods require a lot of effort to capture all the important information without missing anything. This can lead to incomplete or poorly organized notes, making it hard for students to study effectively later on.
What's the solution?
NoTeeline addresses this problem by letting users quickly jot down short key points (micronotes) during a video. The system then uses advanced technology to expand these micronotes into full notes that accurately reflect the content and the user’s writing style. In a study with participants, NoTeeline was shown to produce high-quality notes with a factual accuracy of 93.2%, while also reducing the amount of text users had to write by 47% and the time spent on note-taking by nearly 44% compared to traditional methods.
Why it matters?
This research is important because it makes the process of taking notes much easier and more efficient for students and anyone else who needs to learn from videos. By allowing users to focus on capturing key ideas instead of writing everything down, NoTeeline can help improve learning outcomes and reduce cognitive load, making studying more effective.
Abstract
Video has become a popular media form for information sharing and consumption. However, taking notes while watching a video requires significant time and effort. To address this, we propose a novel interactive system, NoTeeline, for taking real-time, personalized notes. NoTeeline lets users quickly jot down keypoints (micronotes), which are automatically expanded into full-fledged notes that capture the content of the user's micronotes and are consistent with the user's writing style. In a within-subjects study (N=12), we found that NoTeeline helps users create high-quality notes that capture the essence of their micronotes with a higher factual correctness (93.2%) while accurately reflecting their writing style. While using NoTeeline, participants experienced significantly reduced mental effort, captured satisfactory notes while writing 47% less text, and completed notetaking with 43.9% less time compared to a manual notetaking baseline.