PhD Thesis Defense: Linfeng Song

By Hajim School of Engineering and Applied Sciences

Monday, April 29, 2019 9:30am to 10:30am

250 Hutchison Rd, Rochester, NY 14620
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Tackling Graphical NLP problems with Graph Recurrent Networks

How to properly model graphs is a long-existing and important problem in natural language processing, where several popular types of graphs are knowledge graphs, semantic graphs and dependency graphs. Comparing with other data structures, such as sequences and trees, graphs are generally more powerful in representing complex correlations among entities. For example, a knowledge graph stores real-word entities (such as “Barack Obama” and “U.S.”) and their relations (such as “live in” and “lead by”). Properly encoding a knowledge graph is beneficial to user applications, such as question answering and knowledge discovery. Modeling graphs is also very challenging, probably be-cause graphs usually contain massive and cyclic relations. For instance, a tree with n nodes has n − 1 edges (relations), while a complete graph with n nodes can have O(n2) edges (relations). Continue reading.  

Reception to follow at 12:30pm in Wegmans Hall 2506

Advisor: Prof. Daniel Gildea (Computer Science)

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