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Xirui Ke

3 accepted papers

2024

Diversifying Question Generation over Knowledge Base via External Natural Questions

COLING 2024main

Previous methods on knowledge base question generation (KBQG) primarily focus on refining the quality of a single generated question. However, considering the remarkable paraphrasing ability of humans, we believe that diverse texts can express identical semantics through varied expressions. The abov…

2022

Knowledge-augmented Self-training of A Question Rewriter for Conversational Knowledge Base Question Answering

EMNLP 2022finding

The recent rise of conversational applications such as online customer service systems and intelligent personal assistants has promoted the development of conversational knowledge base question answering (ConvKBQA). Different from the traditional single-turn KBQA, ConvKBQA usually explores multi-tur…

2021

P-INT: A Path-based Interaction Model for Few-shot Knowledge Graph Completion

EMNLP 2021finding

Few-shot knowledge graph completion is to infer the unknown facts (i.e., query head-tail entity pairs) of a given relation with only a few observed reference entity pairs. Its general process is to first encode the implicit relation of an entity pair and then match the relation of a query entity pai…