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Published on Oct 7, 2016
Collective and Multi-relational Models for Network Mining
Abstract: Our world is becoming increasingly connected, and so is the data collected from it. To represent, reason about, and model the real-world data, it is essential to develop computational models capable of representing the underlying network structures and their characteristics. Domains such as scholarly networks, biology, online social networks, the World Wide Web and information networks, and recommender systems are just a few examples that include explicit or implicit network structures. I have studied and developed computational models for representing and reasoning about rich, heterogeneous, and interlinked data that span over feature-based and embedding-based approaches to statistical relational methods that more explicitly model dependencies between interconnected entities. In this talk, I will discuss different methods of modeling node classification and link inference on networks in several domains, and highlight two important aspects: (1) Heterogeneous entities and multi-relational structures, (2) joint inference and collective classification of the unlabeled data. I will also introduce our model for link inference that serves as a template to encode a variety of information such as structural, biological, social, contextual interactions in different domains.