A Study on User Behavior Analysis with Graph-Structured Representations

Publication Type:
Thesis
Issue Date:
2023
Full metadata record
Nowadays, the development of Web 2.0 technology brings a huge change in the way of human's life styles. Variant e-commerce websites, e.g., Yelp, eBay and Amazon, provide internet user with a convenient, efficient and relatively reliable online trading environment. More and more merchants prefer to build their virtual shop through different online platforms. Meanwhile, an increasing number of consumers gradually get used to this way of shopping, and automatically share their shop experiences by using online platform which applied by the e-commerce website. This trend generates huge amount of user behavior information and product attributes during purchasing process. We define this online shopping scenario as a special kind of social network, named e-commerce Social Networks (ESNs) in this thesis. Online ESNs poses an interesting problem: how to best characterize the different classes of user behavior. Traditionally, user behavior representation methods, based on user individual features, are not appropriate for online networking platforms. In these complex social networks, users interact with other users through multiple interfaces that allow them to upload multimedia content and have many other interactions. Different behavior patterns can be observed for different individuals and groups. In this thesis, we will propose graph-structured methodologies for characterizing and identifying user behaviors in online social networks. This thesis will help the achievement of more strategic objectives on large-scale node classification tasks in graph-structured social network datasets.
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