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In view of the gap in the current large language model in sharing memory across dialogues, this research proposes a wormhole memory module (WMM) to realize memory as a Rubik's cube that can be arbitrarily retrieved between different…

机器学习 · 计算机科学 2025-04-15 Libo Wang

Conversational Query Reformulation (CQR) has significantly advanced in addressing the challenges of conversational search, particularly those stemming from the latent user intent and the need for historical context. Recent works aimed to…

计算与语言 · 计算机科学 2025-01-06 Yilong Lai , Jialong Wu , Congzhi Zhang , Haowen Sun , Deyu Zhou

Many important questions (e.g. "How to eat healthier?") require conversation to establish context and explore in depth. However, conversational question answering (ConvQA) systems have long been stymied by scarce training data that is…

计算与语言 · 计算机科学 2022-06-02 Zhuyun Dai , Arun Tejasvi Chaganty , Vincent Zhao , Aida Amini , Qazi Mamunur Rashid , Mike Green , Kelvin Guu

Long-form question answering (LFQA) poses a challenge as it involves generating detailed answers in the form of paragraphs, which go beyond simple yes/no responses or short factual answers. While existing QA models excel in questions with…

计算与语言 · 计算机科学 2023-11-17 Pritom Saha Akash , Kashob Kumar Roy , Lucian Popa , Kevin Chen-Chuan Chang

Large language models (LLMs) have made significant advancements in various natural language processing tasks, including question answering (QA) tasks. While incorporating new information with the retrieval of relevant passages is a…

计算与语言 · 计算机科学 2024-04-23 Jaehyung Kim , Jaehyun Nam , Sangwoo Mo , Jongjin Park , Sang-Woo Lee , Minjoon Seo , Jung-Woo Ha , Jinwoo Shin

Training machines to understand natural language and interact with humans is one of the major goals of artificial intelligence. Recent years have witnessed an evolution from matching networks to pre-trained language models (PrLMs). In…

计算与语言 · 计算机科学 2023-01-12 Zhuosheng Zhang , Hai Zhao , Longxiang Liu

Open-domain multi-turn conversations mainly have three features, which are hierarchical semantic structure, redundant information, and long-term dependency. Grounded on these, selecting relevant context becomes a challenge step for…

计算与语言 · 计算机科学 2021-02-19 Lei Shen , Haolan Zhan , Xin Shen , Yang Feng

Conversational context understanding aims to recognize the real intention of user from the conversation history, which is critical for building the dialogue system. However, the multi-turn conversation understanding in open domain is still…

计算与语言 · 计算机科学 2020-04-14 Shuangyong Song , Chao Wang , Qianqian Xie , Xinxing Zu , Huan Chen , Haiqing Chen

When provided with sufficient explanatory context, smaller Language Models have been shown to exhibit strong reasoning ability on challenging short-answer question-answering tasks where the questions are unseen in training. We evaluate two…

计算与语言 · 计算机科学 2023-10-16 Tim Hartill , Diana Benavides-Prado , Michael Witbrock , Patricia J. Riddle

In-Car Conversational Question Answering (ConvQA) systems significantly enhance user experience by enabling seamless voice interactions. However, assessing their accuracy and reliability remains a challenge. This paper explores the use of…

计算与语言 · 计算机科学 2025-12-16 Philipp Habicht , Lev Sorokin , Abdullah Saydemir , Ken E. Friedl , Andrea Stocco

Question answering (QA) over text passages is a problem of long-standing interest in information retrieval. Recently, the conversational setting has attracted attention, where a user asks a sequence of questions to satisfy her information…

信息检索 · 计算机科学 2020-05-26 Magdalena Kaiser , Rishiraj Saha Roy , Gerhard Weikum

We present Contextual Query Rewrite (CQR) a dataset for multi-domain task-oriented spoken dialogue systems that is an extension of the Stanford dialog corpus (Eric et al., 2017a). While previous approaches have addressed the issue of…

计算与语言 · 计算机科学 2019-04-02 Michael Regan , Pushpendre Rastogi , Arpit Gupta , Lambert Mathias

Recently, large language models (LLMs), such as GPT-4, stand out remarkable conversational abilities, enabling them to engage in dynamic and contextually relevant dialogues across a wide range of topics. However, given a long conversation,…

计算与语言 · 计算机科学 2025-08-26 Qingyue Wang , Yanhe Fu , Yanan Cao , Shuai Wang , Zhiliang Tian , Liang Ding

Fact-centric information needs are rarely one-shot; users typically ask follow-up questions to explore a topic. In such a conversational setting, the user's inputs are often incomplete, with entities or predicates left out, and…

信息检索 · 计算机科学 2019-11-06 Philipp Christmann , Rishiraj Saha Roy , Abdalghani Abujabal , Jyotsna Singh , Gerhard Weikum

In large-scale construction projects, the continuous evolution of decisions generates extensive records, most often captured in meeting minutes. Since decisions may override previous ones, professionals often need to reconstruct the history…

计算与语言 · 计算机科学 2026-04-17 Ioannis-Aris Kostis , Natalia Sanchiz , Steeve De Schryver , François Denis , Pierre Schaus

The rise of personal assistants has made conversational question answering (ConvQA) a very popular mechanism for user-system interaction. State-of-the-art methods for ConvQA over knowledge graphs (KGs) can only learn from crisp…

信息检索 · 计算机科学 2021-08-23 Magdalena Kaiser , Rishiraj Saha Roy , Gerhard Weikum

With the improvements in speech recognition and voice generation technologies over the last years, a lot of companies have sought to develop conversation understanding systems that run on mobile phones or smart home devices through natural…

计算与语言 · 计算机科学 2020-02-03 Mohammad Aliannejadi , Manajit Chakraborty , Esteban Andrés Ríssola , Fabio Crestani

Long-term conversational agents face a fundamental scalability challenge as interactions extend over time: repeatedly processing entire conversation histories becomes computationally prohibitive. Current approaches attempt to solve this…

计算与语言 · 计算机科学 2026-01-13 Yue Zhou , Xiaobo Guo , Belhassen Bayar , Srinivasan H. Sengamedu

State-of-the-art Machine Reading Comprehension (MRC) models for Open-domain Question Answering (QA) are typically trained for span selection using distantly supervised positive examples and heuristically retrieved negative examples. This…

计算与语言 · 计算机科学 2020-10-22 Srinivasan Iyer , Sewon Min , Yashar Mehdad , Wen-tau Yih

This paper challenges a cross-genre document retrieval task, where the queries are in formal writing and the target documents are in conversational writing. In this task, a query, is a sentence extracted from either a summary or a plot of…

计算与语言 · 计算机科学 2017-07-17 Tomasz Jurczyk , Jinho D. Choi