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Can you explain the main distinction between graph-oriented question answering and question answering achieved through semantic parsing?

asked 2022-09-02 11:00:00 +0000

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answered 2021-09-30 14:00:00 +0000

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Graph-oriented question answering (QA) and question answering achieved through semantic parsing are two different approaches to answering questions.

Graph-oriented QA represents knowledge as a graph structure, where nodes represent entities and edges represent relationships between them. Questions are also represented as graphs, and answers are obtained by traversing the graph and finding the relevant nodes and edges that answer the question. For example, given the question “Who directed The Godfather?” the graph would have nodes for the movie “The Godfather” and for directors, and an edge between them representing the relationship “directed”. The answer would be the director node linked to the movie node via the “directed” edge.

On the other hand, question answering achieved through semantic parsing involves mapping questions to formal representations, such as logical forms, using natural language understanding (NLU) techniques. These representations capture the meaning of the question in a structured form that can be used to query a database or knowledge base to obtain the answer. For example, the question “Who directed The Godfather?” would be mapped to a logical form like “directed(X, The Godfather), where X is a variable representing the director, and the answer can be obtained by querying a database of directors.

In summary, the main distinction between graph-oriented QA and question answering achieved through semantic parsing is the way in which knowledge and questions are represented and processed to obtain answers. Graph-oriented QA uses a graph structure to represent knowledge and questions, while question answering achieved through semantic parsing uses formal representations like logical forms.

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Asked: 2022-09-02 11:00:00 +0000

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Last updated: Sep 30 '21