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Related papers: Retrieval-Free Knowledge-Grounded Dialogue Respons…

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End-to-end neural models for intelligent dialogue systems suffer from the problem of generating uninformative responses. Various methods were proposed to generate more informative responses by leveraging external knowledge. However, few…

Computation and Language · Computer Science 2019-05-22 Rongzhong Lian , Min Xie , Fan Wang , Jinhua Peng , Hua Wu

Conversational question answering systems often rely on semantic parsing to enable interactive information retrieval, which involves the generation of structured database queries from a natural language input. For information-seeking…

Computation and Language · Computer Science 2024-01-04 Phillip Schneider , Manuel Klettner , Kristiina Jokinen , Elena Simperl , Florian Matthes

Task-oriented dialogue generation is challenging since the underlying knowledge is often dynamic and effectively incorporating knowledge into the learning process is hard. It is particularly challenging to generate both human-like and…

Computation and Language · Computer Science 2022-04-21 Md Rashad Al Hasan Rony , Ricardo Usbeck , Jens Lehmann

Conversational grounding is a collaborative mechanism for establishing mutual knowledge among participants engaged in a dialogue. This experimental study analyzes information-seeking conversations to investigate the capabilities of large…

Computation and Language · Computer Science 2024-06-05 Kristiina Jokinen , Phillip Schneider , Taiga Mori

Knowledge models are fundamental to dialogue systems for enabling conversational interactions, which require handling domain-specific knowledge. Ensuring effective communication in information-providing conversations entails aligning user…

Computation and Language · Computer Science 2024-08-13 Phillip Schneider , Nektarios Machner , Kristiina Jokinen , Florian Matthes

Large language models (LLMs) typically enhance their performance through either the retrieval of semantically similar information or the improvement of their reasoning capabilities. However, a significant challenge remains in effectively…

Artificial Intelligence · Computer Science 2026-01-05 Shuqi Liu , Bowei He , Chen Ma , Linqi Song

Retrieving answers in a quick and low cost manner without hallucinations from a combination of structured and unstructured data using Language models is a major hurdle. This is what prevents employment of Language models in knowledge…

Information Retrieval · Computer Science 2023-10-31 Anupam Purwar , Rahul Sundar

Grounding dialogue on external knowledge and interpreting linguistic patterns in dialogue history context, such as ellipsis, anaphora, and co-references is critical for dialogue comprehension and generation. In this paper, we present a…

Computation and Language · Computer Science 2022-05-30 Deeksha Varshney , Akshara Prabhakar , Asif Ekbal

Large language models can produce fluent dialogue but often hallucinate factual inaccuracies. While retrieval-augmented models help alleviate this issue, they still face a difficult challenge of both reasoning to provide correct knowledge…

Computation and Language · Computer Science 2021-11-10 Leonard Adolphs , Kurt Shuster , Jack Urbanek , Arthur Szlam , Jason Weston

Despite showing increasingly human-like conversational abilities, state-of-the-art dialogue models often suffer from factual incorrectness and hallucination of knowledge (Roller et al., 2020). In this work we explore the use of…

Computation and Language · Computer Science 2021-04-16 Kurt Shuster , Spencer Poff , Moya Chen , Douwe Kiela , Jason Weston

In order to facilitate natural language understanding, the key is to engage commonsense or background knowledge. However, how to engage commonsense effectively in question answering systems is still under exploration in both research…

Computation and Language · Computer Science 2020-11-06 Qianglong Chen , Feng Ji , Haiqing Chen , Yin Zhang

Developing an efficient retriever to retrieve knowledge from a large-scale knowledge base (KB) is critical for task-oriented dialogue systems to effectively handle localized and specialized tasks. However, widely used generative models such…

Computation and Language · Computer Science 2023-10-23 Weizhou Shen , Yingqi Gao , Canbin Huang , Fanqi Wan , Xiaojun Quan , Wei Bi

Building dialog agents that can converse naturally with humans is a challenging yet intriguing problem of artificial intelligence. In open-domain human-computer conversation, where the conversational agent is expected to respond to human…

Artificial Intelligence · Computer Science 2018-02-13 Tom Young , Erik Cambria , Iti Chaturvedi , Minlie Huang , Hao Zhou , Subham Biswas

It remains an open question whether incorporating external knowledge benefits commonsense reasoning while maintaining the flexibility of pretrained sequence models. To investigate this question, we develop generated knowledge prompting,…

Computation and Language · Computer Science 2022-09-30 Jiacheng Liu , Alisa Liu , Ximing Lu , Sean Welleck , Peter West , Ronan Le Bras , Yejin Choi , Hannaneh Hajishirzi

Existing knowledge-grounded dialogue systems typically use finetuned versions of a pretrained language model (LM) and large-scale knowledge bases. These models typically fail to generalize on topics outside of the knowledge base, and…

Computation and Language · Computer Science 2022-03-17 Zihan Liu , Mostofa Patwary , Ryan Prenger , Shrimai Prabhumoye , Wei Ping , Mohammad Shoeybi , Bryan Catanzaro

Recent advances in large-scale pre-training such as GPT-3 allow seemingly high quality text to be generated from a given prompt. However, such generation systems often suffer from problems of hallucinated facts, and are not inherently…

Computation and Language · Computer Science 2022-02-25 Yizhe Zhang , Siqi Sun , Xiang Gao , Yuwei Fang , Chris Brockett , Michel Galley , Jianfeng Gao , Bill Dolan

Open domain response generation has achieved remarkable progress in recent years, but sometimes yields short and uninformative responses. We propose a new paradigm for response generation, that is response generation by editing, which…

Computation and Language · Computer Science 2018-11-19 Yu Wu , Furu Wei , Shaohan Huang , Yunli Wang , Zhoujun Li , Ming Zhou

Recently, utilizing deep neural networks to build the opendomain dialogue models has become a hot topic. However, the responses generated by these models suffer from many problems such as responses not being contextualized and tend to…

Computation and Language · Computer Science 2023-09-07 Mengjuan Liu , Chenyang Liu , Yunfan Yang , Jiang Liu , Mohan Jing

Collecting data for training dialog systems can be extremely expensive due to the involvement of human participants and need for extensive annotation. Especially in document-grounded dialog systems, human experts need to carefully read the…

Computation and Language · Computer Science 2021-12-16 Qingyang Wu , Song Feng , Derek Chen , Sachindra Joshi , Luis A. Lastras , Zhou Yu

For dialogue response generation, traditional generative models generate responses solely from input queries. Such models rely on insufficient information for generating a specific response since a certain query could be answered in…

Computation and Language · Computer Science 2020-03-02 Deng Cai , Yan Wang , Victoria Bi , Zhaopeng Tu , Xiaojiang Liu , Wai Lam , Shuming Shi