شماره مدرك
21220
شماره راهنما
18177
پديد آورنده
تركي، ليلا
عنوان
ﺗﺤﻠﯿﻞ اﺣﺴﺎﺳﺎت در ﺳﯿﺴﺘﻢ ﺗﻮﺻﯿﻪ ﮔﺮ ﻣﺠﺎزي ﺑﺎ اﺳﺘﻔﺎده از روش ﻫﺎي ﯾﺎدﮔﯿﺮي ﻋﻤﯿﻖ
مقطع تحصيلي
كارشناسي ارشد
گرايش تحصيلي
علوم داده
محل تحصيل
اصفهان : دانشگاه صنعتي اصفهان
سال دفاع
1405
صفحه شمار
نه، 72ص
توصيفگر ها
ﺳﯿﺴﺘﻢ ﻫﺎي ﺗﻮﺻﯿﻪ ﮔﺮ , ﯾﺎدﮔﯿﺮي ﻋﻤﯿﻖ , ﺷﺒﮑﻪ ﺣﺎﻓﻈﻪ ﻃﻮﻻﻧﯽ -ﮐﻮﺗﺎه ﻣﺪت دوﻃﺮﻓﻪ , ﻣﮑﺎﻧﯿﺰم ﺧﻮد ﺗﻮﺟﻬﯽ
تاريخ ورود اطلاعات
1405/06/09
كتابنامه
كتابنامه
رشته تحصيلي
رياضي كاربردي
دانشكده
رياضي
تاريخ ويرايش اطلاعات
1405/06/10
كد ايرانداك
23242152
چكيده فارسي
ﺑﺎ رﺷﺪ ﺳﺮﯾﻊ داده ﻫﺎي ﺗﻮﻟﯿﺪﺷﺪه ﺗﻮﺳﻂ ﮐﺎرﺑﺮان در ﺣﻮزه ﺗﺠﺎرت اﻟﮑﺘﺮوﻧﯿﮏ، ﺳﯿﺴﺘﻢ ﻫﺎي ﺗﻮﺻﯿﻪ ﮔﺮ ﺑﻪ اﺑﺰاري ﺿﺮوري
ﺑﺮاي اﻓﺰاﯾﺶ رﺿﺎﯾﺖ ﻣﺸﺘﺮي، ﺷﺨﺼﯽ ﺳﺎزي ﺗﺠﺮﺑﻪ ﮐﺎرﺑﺮي و ﺑﻬﺒﻮد ﺳﻮدآوري ﮐﺴﺐ وﮐﺎر ﺗﺒﺪﯾﻞ ﺷﺪه اﻧﺪ. ﺑﺎ اﯾﻦ ﺣﺎل، اﯾﻦ
ﺳﯿﺴﺘﻢ ﻫﺎ ﻫﻤﭽﻨﺎن ﺑﺎ ﭼﺎﻟﺶ ﻫﺎﯾﯽ ﻧﻈﯿﺮ ﭘﺮاﮐﻨﺪﮔﯽ داده ﻫﺎ، ﻣﺸﮑﻞ ﺷﺮوع ﺳﺮد ﺑﺮاي ﮐﺎرﺑﺮان ﯾﺎ ﮐﺎﻻﻫﺎي ﺟﺪﯾﺪ، ﻣﺪل ﺳﺎزي ﻧﺎﮐﺎﻓﯽ
از اﺣﺴﺎﺳﺎت ﻧﻬﻔﺘﻪ در ﺑﺮرﺳﯽ ﻫﺎي ﻣﺘﻨﯽ، و اﻧﻄﺒﺎق ﭘﺬﯾﺮي ﻣﺤﺪود ﺑﺎ اﻟﮕﻮﻫﺎي رﻓﺘﺎري ﭘﻮﯾﺎ ﻣﻮاﺟﻪ ﻫﺴﺘﻨﺪ. اﯾﻦ ﻣﺤﺪودﯾﺖ ﻫﺎ
دﻗﺖ و اﺛﺮﺑﺨﺸﯽ ﺗﻮﺻﯿﻪ ﻫﺎ را ﮐﺎﻫﺶ ﻣﯽ دﻫﻨﺪ و ﺿﺮورت روﯾﮑﺮدي ﺟﺎﻣﻊ، ﺗﻄﺒﯿﻖ ﭘﺬﯾﺮ و ﭼﻨﺪوﺟﻬﯽ را آﺷﮑﺎر ﻣﯽ ﺳﺎزﻧﺪ.
ﺑﺮاي ﻣﻘﺎﺑﻠﻪ ﺑﺎ اﯾﻦ ﭼﺎﻟﺶ ﻫﺎ، ﭘﮋوﻫﺶ ﺣﺎﺿﺮ ﯾﮏ ﻣﺪل ﺗﺮﮐﯿﺒﯽ ﻣﺒﺘﻨﯽ ﺑﺮ ﺷﺒﮑﻪ ﺣﺎﻓﻈﻪ ﮐﻮﺗﺎه ﻣﺪت ﺑﻠﻨﺪﻣﺪت دوﻃﺮﻓﻪ
)BiLSTM( ﺗﻘﻮﯾﺖ ﺷﺪه ﺑﺎ ﺳﺎزوﮐﺎر ﺧﻮدﺗﻮﺟﻬﯽ ﭼﻨﺪﺳﺮ )Multi‑Head Self‑Attention( را ﺑﻪ ﻫﻤﺮاه ﯾﮑﭙﺎرﭼﻪ ﺳﺎزي ﺑﺎ
ﻓﯿﻠﺘﺮﯾﻨﮓ ﻣﺸﺎرﮐﺘﯽ )Collaborative Filtering( و ﯾﺎدﮔﯿﺮي اﻧﮕﯿﺰﺷﯽ Learning) (Incentive اراﺋﻪ ﻣﯽ دﻫﺪ. در ﺣﺎﻟﯽ
ﮐﻪ ﻓﯿﻠﺘﺮﯾﻨﮓ ﻣﺸﺎرﮐﺘﯽ ﺑﺎ ﺗﺤﻠﯿﻞ ﺗﻌﺎﻣﻼت ﮐﺎرﺑﺮ–ﮐﺎﻻ ﺑﻪ ﺷﻨﺎﺳﺎﯾﯽ اﻟﮕﻮﻫﺎي رﻓﺘﺎري ﻣﺸﺘﺮك ﻣﯽ ﭘﺮدازد، ﯾﺎدﮔﯿﺮي اﻧﮕﯿﺰﺷﯽ ﺑﺮ
اﺳﺘﺨﺮاج ﻋﻮاﻣﻞ اﻧﮕﯿﺰﺷﯽ ﭘﻨﻬﺎن –ﻣﺎﻧﻨﺪ رأي، زﻣﺎن ﺑﺮرﺳﯽ و ﺗﺄﯾﯿﺪﺷﺪه ﺑﻮدن –ﻣﺘﻤﺮﮐﺰ ﻣﯽ ﺷﻮد ﺗﺎ اﺑﻌﺎد رﻓﺘﺎري ﻋﻤﯿﻖ ﺗﺮي
را آﺷﮑﺎر ﺳﺎزد.
GloVe و ﺗﻌﺒﯿﻪ ﻫﺎي ﻣﻌﻨﺎﯾﯽ TF‐IDF در ﻣﺆﻟﻔﻪ ﭘﺮدازش زﺑﺎن ﻃﺒﯿﻌﯽ، ﻣﺘﻮن ﺑﺮرﺳﯽ ﻫﺎي ﮐﺎرﺑﺮان ﺑﺎ اﺳﺘﻔﺎده ازﭘﺮدازش ﺷﺪﻧﺪ و ﺑﻪ ﻃﻮر ﻣﻮازي، وﯾﮋﮔﯽ ﻫﺎي ﻋﺪدي ﺣﺎﺻﻞ از ﻓﯿﻠﺘﺮﯾﻨﮓ ﻣﺸﺎرﮐﺘﯽ و ﯾﺎدﮔﯿﺮي اﻧﮕﯿﺰﺷﯽ ﺑﻪ ﻋﻨﻮان ورودي ﻫﺎي
ﺳﺎﺧﺘﺎرﯾﺎﻓﺘﻪ ﮐﻤﮑﯽ در ﻣﺪل ﮔﻨﺠﺎﻧﺪه ﺷﺪﻧﺪ. ﺑﺮاي اﻓﺰاﯾﺶ ﭘﺎﯾﺪاري آﻣﻮزش و ﮐﺎﻫﺶ ﺑﯿﺶ ﺑﺮازش، از ﺗﮑﻨﯿﮏ ﻫﺎي ﻣﻨﻈﻤﺴﺎزي
ﺷﺎﻣﻞ ﻣﻨﻈﻢ ﺳﺎزي ،dropout L2 و ﻧﺮﻣﺎل ﺳﺎزي دﺳﺘﻪ اي )Batch Normalization( اﺳﺘﻔﺎده ﮔﺮدﯾﺪ.
ﻣﺪل ﭘﯿﺸﻨﻬﺎدي ﺑﺮ روي ﯾﮏ ﻣﺠﻤﻮﻋﻪ داده ﺑﺰرگ ﻣﻘﯿﺎس ﻣﺘﺸﮑﻞ از ﺑﺮرﺳﯽ ﻫﺎي ﮐﺎرﺑﺮان، ﺗﻌﺎﻣﻼت و ﺑﺎزﺧﻮردﻫﺎ ارزﯾﺎﺑﯽ
ﺷﺪ. ﻧﺘﺎﯾﺞ ﻧﺸﺎن ﻣﯽ دﻫﺪ ﮐﻪ ﻣﺪل ﺑﻪ ﻋﻤﻠﮑﺮدي ﭘﺎﯾﺪار، دﻗﯿﻖ و ﻣﺘﻮازن دﺳﺖ ﻣﯽ ﯾﺎﺑﺪ. ﺑﻪ ﻃﻮر ﻣﺸﺨﺺ، ﻣﺪل ﺑﻪ دﻗﺖ
)Accuracy( ٪85٫32، ﺻﺤﺖ )Precision( ٪85٫27، ﯾﺎدآوري )Recall( ٪85٫32 و اﻣﺘﯿﺎز F1 ﻣﻌﺎدل ٪85٫27
دﺳﺖ ﯾﺎﻓﺖ ﮐﻪ ﺣﺎﮐﯽ از ﺗﻮاﻧﺎﯾﯽ آن در ﮐﺸﻒ اﻟﮕﻮﻫﺎي رﻓﺘﺎري ﭘﻨﻬﺎن و اراﺋﻪ ﺗﻮﺻﯿﻪ ﻫﺎي ﺷﺨﺼﯽ ﺳﺎزي ﺷﺪه ﻫﻤﺴﻮ ﺑﺎ ﻧﯿﺎزﻫﺎ
و ﺗﺮﺟﯿﺤﺎت ﮐﺎرﺑﺮان اﺳﺖ.
ﺳﻬﻢ اﺻﻠﯽ اﯾﻦ ﭘﮋوﻫﺶ در ﺗﻠﻔﯿﻖ ﻫﻢ زﻣﺎن ﺗﺤﻠﯿﻞ ﻋﻤﯿﻖ ﻣﺘﻨﯽ )BiLSTM + ﺧﻮدﺗﻮﺟﻬﯽ( ﺑﺎ وﯾﮋﮔﯽ ﻫﺎي ﺗﻌﺎﻣﻠﯽ آﻣﺎري
و ﺷﺎﺧﺺ ﻫﺎي اﻧﮕﯿﺰﺷﯽ ﭘﻨﻬﺎن ﻧﻬﻔﺘﻪ اﺳﺖ. اﯾﻦ ﺗﻠﻔﯿﻖ ﭼﻨﺪﺑﻌﺪي ﻧﻪ ﺗﻨﻬﺎ دﻗﺖ و اﺳﺘﺤﮑﺎم ﻣﺪل را ﺑﻬﺒﻮد ﻣﯽ ﺑﺨﺸﺪ، ﺑﻠﮑﻪ
اﻣﮑﺎن اﻧﻄﺒﺎق ﭘﻮﯾﺎ ﺑﺎ رﻓﺘﺎرﻫﺎي در ﺣﺎل ﺗﻐﯿﯿﺮ ﻣﺸﺘﺮﯾﺎن را ﻓﺮاﻫﻢ ﻣﯽ آورد و ﻗﺎﺑﻠﯿﺖ ﮐﺎرﺑﺮد آن را ﺑﻪ ﺣﻮزه ﻫﺎﯾﯽ ﻧﻈﯿﺮ ﻣﺪﯾﺮﯾﺖ
ﻣﻮﺟﻮدي، ﺑﻬﯿﻨﻪ ﺳﺎزي زﻧﺠﯿﺮه ﺗﺄﻣﯿﻦ، ﺑﺎزارﯾﺎﺑﯽ ﻫﻮﺷﻤﻨﺪ و اﻓﺰاﯾﺶ وﻓﺎداري ﻣﺸﺘﺮﯾﺎن ﮔﺴﺘﺮش ﻣﯽ دﻫﺪ
چكيده انگليسي
With the rapid growth of user-generated data in e-commerce, recommender systems have become essential tools
for enhancing customer satisfaction, personalizing user experience, and improving business profitability. However,
these systems still face challenges such as data sparsity, the cold-start problem for new users or items, insufficient
modeling of latent sentiments in textual reviews, and limited adaptability to dynamic behavioral patterns. These
limitations reduce the accuracy and effectiveness of recommendations and highlight the need for a comprehensive,
adaptive, and multi-faceted approach.
To address these challenges, the present study proposes a hybrid model based on a Bidirectional Long Short-Term
Memory network augmented with a Multi-Head Self-Attention mechanism, integrated with Collaborative Filtering
and Incentive Learning. While Collaborative Filtering identifies shared behavioral patterns by analyzing user–item
interactions, Incentive Learning focuses on extracting latent motivational factors—such as vote, review time, and
verified— in order to reveal deeper behavioral dimensions.
In the natural language processing component, user review texts were processed using TF-IDF and GloVe semantic
embeddings, and in parallel, numerical features derived from Collaborative Filtering and Incentive Learning were
incorporated into the model as auxiliary structured inputs. To enhance training stability and mitigate overfitting,
regularization techniques including L2 regularization, dropout, and Batch Normalization were employed.
The proposed model was evaluated on a large-scale dataset consisting of user reviews, interactions, and feedback.
The results demonstrate that the model achieves stable, accurate, and well-balanced performance. Specifically, the
model attained an Accuracy of 85.32
The primary contribution of this study lies in the joint integration of deep textual analysis (BiLSTM + Self-Attention)
with statistical interaction features and latent incentive indicators. This multi-dimensional fusion not only improves
the accuracy and robustness of the model, but also enables dynamic adaptation to evolving customer behaviors, ex
tending its applicability to domains such as inventory management, supply-chain optimization, intelligent marketing,
and customer loyalty enhancement
استاد راهنما
منصوره ميرزايي , ساره گلي فروشاني
استاد داور
رامين جوادي , محدثه رمضاني بوزاني