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Generating natural language text from graph-structured data is essential for conversational information seeking. Semantic triples derived from knowledge graphs can serve as a valuable source for grounding responses from conversational…

Computation and Language · Computer Science 2024-02-05 Phillip Schneider , Manuel Klettner , Elena Simperl , Florian Matthes

Human dialogues are scenario-based and appropriate responses generally relate to the latent context knowledge entailed by the specific scenario. To enable responses that are more meaningful and context-specific, we propose to improve…

Computation and Language · Computer Science 2020-10-07 Shaoxiong Feng , Xuancheng Ren , Hongshen Chen , Bin Sun , Kan Li , Xu Sun

Open-domain dialogue systems aim to generate relevant, informative and engaging responses. Seq2seq neural response generation approaches do not have explicit mechanisms to control the content or style of the generated response, and…

Artificial Intelligence · Computer Science 2020-08-26 Behnam Hedayatnia , Karthik Gopalakrishnan , Seokhwan Kim , Yang Liu , Mihail Eric , Dilek Hakkani-Tur

Knowledge graph-based dialogue systems are capable of generating more informative responses and can implement sophisticated reasoning mechanisms. However, these models do not take into account the sparseness and incompleteness of knowledge…

Computation and Language · Computer Science 2020-04-21 Hongcai Xu , Junpeng Bao , Gaojie Zhang

End-to-end dialogue generation has achieved promising results without using handcrafted features and attributes specific for each task and corpus. However, one of the fatal drawbacks in such approaches is that they are unable to generate…

Computation and Language · Computer Science 2019-03-26 Hao-Tong Ye , Kai-Ling Lo , Shang-Yu Su , Yun-Nung Chen

In a conversational system, dynamically generating follow-up questions based on context can help users explore information and provide a better user experience. Humans are usually able to ask questions that involve some general life…

Artificial Intelligence · Computer Science 2025-06-30 Jianyu Liu , Yi Huang , Sheng Bi , Junlan Feng , Guilin Qi

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

Knowledge-grounded dialogue is a task of generating an informative response based on both discourse context and external knowledge. As we focus on better modeling the knowledge selection in the multi-turn knowledge-grounded dialogue, we…

Computation and Language · Computer Science 2020-06-17 Byeongchang Kim , Jaewoo Ahn , Gunhee Kim

Incorporating conversational context and knowledge into dialogue generation models has been essential for improving the quality of the generated responses. The context, comprising utterances from previous dialogue exchanges, is used as a…

Computation and Language · Computer Science 2023-05-30 Wen Zheng , Natasa Milic-Frayling , Ke Zhou

Existing open-domain dialogue generation models are usually trained to mimic the gold response in the training set using cross-entropy loss on the vocabulary. However, a good response does not need to resemble the gold response, since there…

Computation and Language · Computer Science 2020-10-06 Wei-Jen Ko , Avik Ray , Yilin Shen , Hongxia Jin

Knowledge graph-based dialogue systems can narrow down knowledge candidates for generating informative and diverse responses with the use of prior information, e.g., triple attributes or graph paths. However, most current knowledge graph…

Computation and Language · Computer Science 2020-04-21 Hongcai Xu , Junpeng Bao , Junqing Wang

The conversational search paradigm introduces a step change over the traditional search paradigm by allowing users to interact with search agents in a multi-turn and natural fashion. The conversation flows naturally and is usually centered…

Computation and Language · Computer Science 2021-04-15 Mariana Leite , Rafael Ferreira , David Semedo , João Magalhães

Recent advances in neural sequence-to-sequence models have led to promising results for several language generation-based tasks, including dialogue response generation, summarization, and machine translation. However, these models are known…

Computation and Language · Computer Science 2019-08-29 Semih Yavuz , Abhinav Rastogi , Guan-Lin Chao , Dilek Hakkani-Tur

Multimodal search-based dialogue is a challenging new task: It extends visually grounded question answering systems into multi-turn conversations with access to an external database. We address this new challenge by learning a neural…

Computation and Language · Computer Science 2018-11-22 Shubham Agarwal , Ondrej Dusek , Ioannis Konstas , Verena Rieser

Knowledge graph-grounded dialog generation requires retrieving a dialog-relevant subgraph from the given knowledge base graph and integrating it with the dialog history. Previous works typically represent the graph using an external…

Computation and Language · Computer Science 2024-10-15 Jinyoung Park , Minseok Joo , Joo-Kyung Kim , Hyunwoo J. Kim

We present GLM-Dialog, a large-scale language model (LLM) with 10B parameters capable of knowledge-grounded conversation in Chinese using a search engine to access the Internet knowledge. GLM-Dialog offers a series of applicable techniques…

Computation and Language · Computer Science 2023-03-01 Jing Zhang , Xiaokang Zhang , Daniel Zhang-Li , Jifan Yu , Zijun Yao , Zeyao Ma , Yiqi Xu , Haohua Wang , Xiaohan Zhang , Nianyi Lin , Sunrui Lu , Juanzi Li , Jie Tang

We present a novel natural language generation system for spoken dialogue systems capable of entraining (adapting) to users' way of speaking, providing contextually appropriate responses. The generator is based on recurrent neural networks…

Computation and Language · Computer Science 2017-09-18 Ondřej Dušek , Filip Jurčíček

Recent developments in pre-trained neural language modeling have led to leaps in accuracy on commonsense question-answering benchmarks. However, there is increasing concern that models overfit to specific tasks, without learning to utilize…

Computation and Language · Computer Science 2020-12-16 Kaixin Ma , Filip Ilievski , Jonathan Francis , Yonatan Bisk , Eric Nyberg , Alessandro Oltramari

Incorporating external graph knowledge into neural chatbot models has been proven effective for enhancing dialogue generation. However, in conventional graph neural networks (GNNs), message passing on a graph is independent from text,…

Computation and Language · Computer Science 2023-06-29 Chen Tang , Hongbo Zhang , Tyler Loakman , Chenghua Lin , Frank Guerin

We present a neural model for question generation from knowledge base triples in a "Zero-Shot" setup, that is generating questions for triples containing predicates, subject types or object types that were not seen at training time. Our…

Computation and Language · Computer Science 2018-02-21 Hady Elsahar , Christophe Gravier , Frederique Laforest