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Fine-Grained Similarity Measurement between Educational Videos and Exercises

Published: 12 October 2020 Publication History
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  • Abstract

    In online learning systems, measuring the similarity between educational videos and exercises is a fundamental task with great application potentials. In this paper, we explore to measure the fine-grained similarity by leveraging multimodal information. The problem remains pretty much open due to several domain-specific characteristics. First, unlike general videos, educational videos contain not only graphics but also text and formulas, which have a fixed reading order. Both spatial and temporal information embedded in the frames should be modeled. Second, there are semantic associations between adjacent video segments. The semantic associations will affect the similarity and different exercises usually focus on the related context of different ranges. Third, the fine-grained labeled data for training the model is scarce and costly. To tackle the aforementioned challenges, we propose VENet to measure the similarity at both video-level and segment-level by just exploiting the video-level labeled data. Extensive experimental results on real-world data demonstrate the effectiveness of VENet.

    Supplementary Material

    MP4 File (3394171.3413783.mp4)
    This video starts with the background of the problem--fine-grained similarity measurement. It then briefly introduces the three challenges and our solutions. Finally, extensive experimental results on real-world data demonstrate the effectiveness of our approach.

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    cover image ACM Conferences
    MM '20: Proceedings of the 28th ACM International Conference on Multimedia
    October 2020
    4889 pages
    ISBN:9781450379885
    DOI:10.1145/3394171
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    Published: 12 October 2020

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    Author Tags

    1. educational videos
    2. exercises
    3. fine-grained similarity measurement
    4. multimodal information

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    Overall Acceptance Rate 995 of 4,171 submissions, 24%

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    • (2024)Multi-task Information Enhancement Recommendation model for educational Self-Directed Learning SystemExpert Systems with Applications10.1016/j.eswa.2024.124073(124073)Online publication date: May-2024
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    • (2023)Counterfactual Monotonic Knowledge Tracing for Assessing Students' Dynamic Mastery of Knowledge ConceptsProceedings of the 32nd ACM International Conference on Information and Knowledge Management10.1145/3583780.3614827(3236-3246)Online publication date: 21-Oct-2023
    • (2023)An Efficient and Robust Semantic Hashing Framework for Similar Text SearchACM Transactions on Information Systems10.1145/357072541:4(1-31)Online publication date: 30-Jan-2023
    • (2023)Audio de-noising and quality assessment for various noises in lecture videos2023 2nd International Conference on Paradigm Shifts in Communications Embedded Systems, Machine Learning and Signal Processing (PCEMS)10.1109/PCEMS58491.2023.10136057(1-6)Online publication date: 5-Apr-2023
    • (2023)A Deep Memory-Aware Attentive Model for Knowledge Tracing2023 IEEE International Conference on Data Mining Workshops (ICDMW)10.1109/ICDMW60847.2023.00201(1581-1590)Online publication date: 4-Dec-2023
    • (2023)NeurReview: A Neural Architecture Based Conformity Prediction of Peer ReviewsIEEE Access10.1109/ACCESS.2022.322401911(1407-1417)Online publication date: 2023
    • (2023)HMNet: a hierarchical multi-modal network for educational video concept predictionInternational Journal of Machine Learning and Cybernetics10.1007/s13042-023-01809-614:9(2913-2924)Online publication date: 19-Mar-2023
    • (2022)MAVT-FGProceedings of the 30th ACM International Conference on Multimedia10.1145/3503161.3548383(3811-3819)Online publication date: 10-Oct-2022
    • (2022)Class Gradient Projection For Continual LearningProceedings of the 30th ACM International Conference on Multimedia10.1145/3503161.3548054(5575-5583)Online publication date: 10-Oct-2022
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