Search Results for author: Jiahua Liu

Found 4 papers, 3 papers with code

Parameter-Efficient Prompt Tuning Makes Generalized and Calibrated Neural Text Retrievers

2 code implementations14 Jul 2022 Weng Lam Tam, Xiao Liu, Kaixuan Ji, Lilong Xue, Xingjian Zhang, Yuxiao Dong, Jiahua Liu, Maodi Hu, Jie Tang

By updating only 0. 1% of the model parameters, the prompt tuning strategy can help retrieval models achieve better generalization performance than traditional methods in which all parameters are updated.

Retrieval Text Retrieval +1

Few-Shot Generative Conversational Query Rewriting

1 code implementation9 Jun 2020 Shi Yu, Jiahua Liu, Jingqin Yang, Chenyan Xiong, Paul Bennett, Jianfeng Gao, Zhiyuan Liu

Conversational query rewriting aims to reformulate a concise conversational query to a fully specified, context-independent query that can be effectively handled by existing information retrieval systems.

Information Retrieval Retrieval +2

XQA: A Cross-lingual Open-domain Question Answering Dataset

1 code implementation ACL 2019 Jiahua Liu, Yankai Lin, Zhiyuan Liu, Maosong Sun

Experimental results show that the multilingual BERT model achieves the best results in almost all target languages, while the performance of cross-lingual OpenQA is still much lower than that of English.

Machine Translation Open-Domain Question Answering +3

A Multi-answer Multi-task Framework for Real-world Machine Reading Comprehension

no code implementations EMNLP 2018 Jiahua Liu, Wan Wei, Maosong Sun, Hao Chen, Yantao Du, Dekang Lin

The task of machine reading comprehension (MRC) has evolved from answering simple questions from well-edited text to answering real questions from users out of web data.

Information Retrieval Machine Reading Comprehension +2

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