تعبیه‌سازی شبکه‌های اجتماعی مبتنی بر کاربست روش‌های تشخیص جوامع و استخراج ویژگی‌های معنایی نهفته
محورهای موضوعی : مهندسی برق و کامپیوتر
محدثه طاهرپرور
1
(گروه مهندسی کامپیوتر، دانشگاه آزاد اسلامی واحد رشت)
فاطمه احمدی آبکناری
2
(دانشکده مهندسی کامپیوتر و فناوری اطلاعات، دانشگاه پیام نور)
پیمان بیات
3
(گروه مهندسی کامپیوتر، دانشگاه آزاد اسلامی واحد رشت)
کلید واژه: تعبیه‌سازی شبکه, شبکه‌های اجتماعی همپوشان, مدل‌های موضوعی جفت‌کلمه, یادگیری عمیق,
چکیده مقاله :
هدف از تعبیه‌سازی شبکه‌های اجتماعی که اخیراً توجه زیادی را به خود جلب کرده، یادگیری نمایش در ابعاد پایین برای هر گره در شبکه با حفظ ساختار و خصوصیات شبکه است. در این مقاله، تأثیر نحوه تشخیص جوامع در حالت‌های مختلف مانند تشخیص جامعه حین یا قبل از روند پیاده‌روی تصادفی و هچنین تأثیر معنایی اطلاعات متنی هر گره بر روی تعبیه‌سازی شبکه مورد بررسی قرار گرفته و دو چارچوب اصلی با نام‌های تعبیه‌سازی شبکه آگاه به جامعه و متن و تعبیه‌سازی شبکه مبتنی بر جامعه و ویژگی‌های معنایی پیشنهاد شده است. در این مقاله، در تعبیه‌سازی شبکه آگاه به جامعه و متن، تشخیص جوامع قبل از روند پیاده‌روی تصادفی با به‌کارگیری روش غیرهمپوشان ادموت و همپوشان اگونت‌اسپلیتر انجام گرفته است. با این حال در تعبیه‌سازی شبکه مبتنی بر جامعه و ویژگی‌های معنایی، تشخیص جوامع حین رخداد پیاده‌روی تصادفی و با استفاده از مدل موضوعی جفت‌کلمه اعمال شده است. در تمامی روش‌های ارائه‌شده، تحلیل متنی مورد بررسی قرار گرفته و نهایتاً نمایش نهایی با به‌کارگیری مدل Skip-Gram در شبکه انجام می‌گردد. آزمایش‌های انجام‌شده نشان داده‌اند که روش‌های پیشنهادی این مقاله از روش‌های با نام‌های پیاده‌روی عمیق، CARE، CONE و COANE بهتر عمل کرده‌اند.
The purpose of embedding social networks, which has recently attracted a lot of attention, is to learn to display in small dimensions for each node in the network while maintaining the structure and characteristics of the network. In this paper, we propose the effect of identifying communities in different situations such as community detection during or before the process of random walking and also the effect of semantic textual information of each node on network embedding. Then two main frameworks have been proposed with community and context aware network embedding and community and semantic feature-oriented network embedding. In this paper, in community and context aware network embedding, the detection of communities before the random walk process, is performed through using the EdMot non-overlapping method and EgoNetSplitter overlapping method. However, in community and semantic feature-oriented network embedding, the recognition of communities during a random walk event is conducted using a Biterm topic model. In all the proposed methods, text analysis is examined and finally, the final display is performed using the Skip-Gram model in the network. Experiments have shown that the methods proposed in this paper work better than the superior network embedding methods such as Deepwalk, CARE, CONE, and COANE and have reached an accuracy of nearly 0.9 and better than other methods in terms of edge prediction criteria in the network.
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