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Minhao Zhang

2 accepted papers

2022

Crake: Causal-Enhanced Table-Filler for Question Answering over Large Scale Knowledge Base

NAACL 2022findings

Semantic parsing solves knowledge base (KB) question answering (KBQA) by composing a KB query, which generally involves node extraction (NE) and graph composition (GC) to detect and connect related nodes in a query. Despite the strong causal effects between NE and GC, previous works fail to directly…

2021

NAMER: A Node-Based Multitasking Framework for Multi-Hop Knowledge Base Question Answering

NAACL 2021system demonstrations

We present NAMER, an open-domain Chinese knowledge base question answering system based on a novel node-based framework that better grasps the structural mapping between questions and KB queries by aligning the nodes in a query with their corresponding mentions in question. Equipped with techniques…