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    政大機構典藏 > 理學院 > 資訊科學系 > 學位論文 >  Item 140.119/113296
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/113296

    Title: 社群協同合作平台之推薦問題研究-以GitHub為例
    A study of recommendations on social collaboration platforms : using GitHub as an example
    Authors: 崔嘉祐
    Tsui, Chia-Yu
    Contributors: 蔡銘峰

    Tsai, Ming-Feng
    Wang, Chuan-Ju

    Tsui, Chia-Yu
    Keywords: 推薦
    Collaborative filtering
    Content-based filtering
    Factorizaction machine
    Date: 2017
    Issue Date: 2017-10-02 10:16:50 (UTC+8)
    Abstract: 本論文提出一種在社群協作平台 GitHub 上的推薦方法,利用社群 協作平台上的資訊於分解機器 ( Factorizaction Machines ,簡稱 FM ) 模 型中。 首先,我們抽取專案的協作關係、專案內的文字與程式碼,當 作是特徵資訊加入模型中訓練,進而以模型的訓練結果去做推薦。我 們利用 GitHub 平台上, 開發者對專案的行為 ( 如,給予的星號、關 注、開分支編輯與貢獻 ) ,去建立開發者對專案感興趣評級,並產生 使用者與專案的關係矩陣來當作我們的學習目標。 藉由這樣的方法, 我們不僅能夠幫助模型收斂還能提升推薦的結果,而這種透過不同 數量的相似特徵方法還可幫助使用者接觸到更多面向的物品。在實驗 中, 不論是加入文字特徵還是程式碼特徵, 相較於傳統的推薦方法協 同過濾,我們在平均精確均值 ( Mean Average Precision, MAP) 、 召回 率 ( Recall ) 與 F1 分數 ( F1 score ) 三個評估下都有較優秀的表現。 最 後,實驗結果顯示,在這種協作開發專案的 GitHub 社群協作平台上, 除了一般文字資訊外,程式碼資訊在推薦上是更有幫助的特徵資訊。
    This paper proposes a recommendation approach based on Factorization Machines (FM) for GitHub, a social collaborative platform for program de- velopment. This work first extracts several features related to collaboration relationship and textual information within the project and the codes, and then incorporates the features into the model for training and learning. Lastly, the learned models are utilized for recommendation. This work skillfully uti- lizes the behaviors of developers toward a project, such as the star labeling, watch, fork, and contribution, to establish the degree of interest of a devel- oper has toward a project. Then, the proposed approach follows the con- struction of User-Item matrix for conducting the FM learning process. This approach not only expedites the convergence speed and the accuracy of FM, but it also enables users to explore the objects from different aspects. In the experiments, we compare the proposed approach with the traditional collab- oration filtering methods in terms of Mean Average Precision (MAP), Recall and F1 measures. The experimental results show that the proposed method outperforms the traditional user-based and item-based collaboration filtering methods. Furthermore, the experiment shows that, for social collaboration platform for program development, the incorporation of code feature is of greater enhancement than textual feature in the task of recommendation.
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    Description: 碩士
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0104753034
    Data Type: thesis
    Appears in Collections:[資訊科學系] 學位論文

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