تشخیص روبات‌های وب با استفاده از نظریه مجموعه‌های فازی ناهموار
الموضوعات :
سمانه رحیمی
1
(دانشگاه بین‌المللی امام رضا علیه‌السلام)
جواد حمیدزاده
2
(دانشگاه صنعتی سجاد)
الکلمات المفتاحية: پیش‌پردازش فایل ثبت وقایع تشخیص روبات‌های وب شناسایی نشستهای بازدیدکنندگان وب نظریه مجموعه‌های فازی ناهموار,
ملخص المقالة :
روبات‌های وب، برنامه‌های نرم‌افزاری هستند که به طور خودکار در اینترنت اجرا می‌شوند و مهمترین وظیفه آنها واکشی اطلاعات و ارسال آنها به سرویس‌دهنده مبدأ است. مصرف زیاد پهنای باند شبکه توسط آنها و کاهش کارایی سرویس‌دهنده باعث شده تا مسأله تشخیص روبات‌های وب مطرح شود. در این مقاله از نظریه مجموعه‌های فازی ناهموار برای تشخیص روبات‌های وب استفاده شده است. روش پیشنهادی شامل چهار مرحله است. در مرحله اول، نشستهای کاربران وب توسط خوشه‌بندی مجموعه‌های فازی ناهموار شناسایی می‌شود. در مرحله دوم، برداری شامل 10 ویژگی متمایز برای هر نشست استخراج می‌گردد. در مرحله سوم نشستهای شناسایی‌شده توسط یک روش مکاشفه‌ای برچسب‌گذاری می‌شود. در مرحله چهارم این برچسب‌ها با استفاده از طبقه‌بندی مجموعه‌های فازی ناهموار بهبود می‌یابد. کارایی روش پیشنهادی بر روی مجموعه داده‌های واقعی ارزیابی شده است. نتایج آزمایشها نشان‌دهنده برتری روش پیشنهادی نسبت به سایر روش‌های مطرح از نظر معیار F است.
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