no code implementations • COLING 2022 • Meiguo Wang, Benjamin Yao, Bin Guo, Xiaohu Liu, Yu Zhang, Tuan-Hung Pham, Chenlei Guo
To evaluate the performance of a multi-domain goal-oriented Dialogue System (DS), it is important to understand what the users’ goals are for the conversations and whether those goals are successfully achieved.
no code implementations • EMNLP (NLP4ConvAI) 2021 • Eunah Cho, Ziyan Jiang, Jie Hao, Zheng Chen, Saurabh Gupta, Xing Fan, Chenlei Guo
Query rewrite (QR) is an emerging component in conversational AI systems, reducing user defect.
no code implementations • EMNLP 2021 • Zhuoyi Wang, Saurabh Gupta, Jie Hao, Xing Fan, Dingcheng Li, Alexander Hanbo Li, Chenlei Guo
Rephrase detection is used to identify the rephrases and has long been treated as a task with pairwise input, which does not fully utilize the contextual information (e. g. users’ implicit feedback).
no code implementations • NAACL 2022 • Dingcheng Li, Zheng Chen, Eunah Cho, Jie Hao, Xiaohu Liu, Fan Xing, Chenlei Guo, Yang Liu
Seq2seq language generation models that are trained offline with multiple domains in a sequential fashion often suffer from catastrophic forgetting.
1 code implementation • 11 Mar 2024 • Yichuan Li, Xiyao Ma, Sixing Lu, Kyumin Lee, Xiaohu Liu, Chenlei Guo
Large Language models (LLMs) have demonstrated impressive in-context learning (ICL) capabilities, where a LLM makes predictions for a given test input together with a few input-output pairs (demonstrations).
no code implementations • 13 Jun 2023 • Xu Han, Bin Guo, Yoon Jung, Benjamin Yao, Yu Zhang, Xiaohu Liu, Chenlei Guo
Personalized dialogue agents (DAs) powered by large pre-trained language models (PLMs) often rely on explicit persona descriptions to maintain personality consistency.
no code implementations • 26 Feb 2023 • Ruolin Su, Zhongkai Sun, Sixing Lu, Chengyuan Ma, Chenlei Guo
Recent advances in cross-lingual commonsense reasoning (CSR) are facilitated by the development of multilingual pre-trained models (mPTMs).
no code implementations • 21 Feb 2023 • Jinglun Cai, Mingda Li, Ziyan Jiang, Eunah Cho, Zheng Chen, Yang Liu, Xing Fan, Chenlei Guo
Query Rewriting (QR) plays a critical role in large-scale dialogue systems for reducing frictions.
no code implementations • 22 Oct 2022 • Niranjan Uma Naresh, Ziyan Jiang, Ankit, Sungjin Lee, Jie Hao, Xing Fan, Chenlei Guo
Conversational understanding is an integral part of modern intelligent devices.
no code implementations • NAACL (ACL) 2022 • Pragaash Ponnusamy, Clint Solomon Mathialagan, Gustavo Aguilar, Chengyuan Ma, Chenlei Guo
Self-learning paradigms in large-scale conversational AI agents tend to leverage user feedback in bridging between what they say and what they mean.
no code implementations • RepL4NLP (ACL) 2022 • Md Mofijul Islam, Gustavo Aguilar, Pragaash Ponnusamy, Clint Solomon Mathialagan, Chengyuan Ma, Chenlei Guo
Additionally, the dependency on a fixed vocabulary limits the subword models' adaptability across languages and domains.
no code implementations • 22 Feb 2022 • Zhongkai Sun, Sixing Lu, Chengyuan Ma, Xiaohu Liu, Chenlei Guo
However, these methods rarely focus on query expansion and entity weighting simultaneously, which may limit the scope and accuracy of the query reformulation retrieval.
no code implementations • 13 Feb 2022 • Ruixue Lian, Che-Wei Huang, Yuqing Tang, Qilong Gu, Chengyuan Ma, Chenlei Guo
Individual user profiles and interaction histories play a significant role in providing customized experiences in real-world applications such as chatbots, social media, retail, and education.
1 code implementation • ICON 2021 • Haoran Xu, Sixing Lu, Zhongkai Sun, Chengyuan Ma, Chenlei Guo
Text Style Transfer (TST) aims to alter the underlying style of the source text to another specific style while keeping the same content.
no code implementations • EMNLP 2021 • Kaize Ding, Dingcheng Li, Alexander Hanbo Li, Xing Fan, Chenlei Guo, Yang Liu, Huan Liu
In this work, we go beyond the existing paradigms and propose a novel approach to generate high-quality paraphrases with weak supervision data.
no code implementations • 21 Dec 2020 • Yunmo Chen, Sixing Lu, Fan Yang, Xiaojiang Huang, Xing Fan, Chenlei Guo
Query rewriting (QR) systems are widely used to reduce the friction caused by errors in a spoken language understanding pipeline.
no code implementations • 9 Nov 2020 • Alireza Roshan-Ghias, Clint Solomon Mathialagan, Pragaash Ponnusamy, Lambert Mathias, Chenlei Guo
Spoken language understanding (SLU) systems in conversational AI agents often experience errors in the form of misrecognitions by automatic speech recognition (ASR) or semantic gaps in natural language understanding (NLU).
Automatic Speech Recognition Automatic Speech Recognition (ASR) +5
no code implementations • 13 Feb 2020 • Zheng Chen, Xing Fan, Yuan Ling, Lambert Mathias, Chenlei Guo
Then, inspired by the wide success of pre-trained contextual language embeddings, and also as a way to compensate for insufficient QR training data, we propose a language-modeling (LM) based approach to pre-train query embeddings on historical user conversation data with a voice assistant.
no code implementations • 6 Nov 2019 • Pragaash Ponnusamy, Alireza Roshan Ghias, Chenlei Guo, Ruhi Sarikaya
Typically, the accuracy of the ML models in these components are improved by manually transcribing and annotating data.
no code implementations • 8 Oct 2019 • Gustavo Aguilar, Yuan Ling, Yu Zhang, Benjamin Yao, Xing Fan, Chenlei Guo
In this paper, we propose to distill the internal representations of a large model such as BERT into a simplified version of it.