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- W4323520149 abstract "This paper proposes a Joint-BERT method to solve the knowledge base question answering (KBQA) task involved a single fact. It divides it into two subtasks, topic entity recognition and relation detection. For the entity recognition subtask, instead of treating it as a sequence labeling task, a simpler approach of applying a pointer network on the BERT encoder is used to predict the start and end positions of the topic entity. The subtask of relation detection, sharing the BERT encoder, computes candidate predicates rankings from both local and global matching perspectives, and finally trains the two tasks jointly in a multi-task learning framework, so that the two tasks benefit from each other. Experiments show that: Joint-BERT model achieves competitive results on the SimpleQuestions benchmark." @default.
- W4323520149 created "2023-03-09" @default.
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- W4323520149 date "2022-12-23" @default.
- W4323520149 modified "2023-09-26" @default.
- W4323520149 title "A Joint-BERT Method for Knowledge Base Question Answering" @default.
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- W4323520149 doi "https://doi.org/10.1145/3578741.3578749" @default.
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