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We introduce MemSum-DQA, an efficient system for document question answering (DQA) that leverages MemSum, a long document extractive summarizer. By prefixing each text block in the parsed document with the provided question and question…

Computation and Language · Computer Science 2023-10-11 Nianlong Gu , Yingqiang Gao , Richard H. R. Hahnloser

In this paper, we introduce a novel framework, SIMSEEK, (Simulating information-Seeking conversation from unlabeled documents), and compare its two variants. In our baseline SIMSEEK-SYM, a questioner generates follow-up questions upon the…

Computation and Language · Computer Science 2022-10-25 Gangwoo Kim , Sungdong Kim , Kang Min Yoo , Jaewoo Kang

We aim to develop a retrieval-augmented generation (RAG) framework that answers questions over a corpus of visually-rich documents presented in mixed modalities (e.g., charts, tables) and diverse formats (e.g., PDF, PPTX). In this paper, we…

Computation and Language · Computer Science 2025-04-15 Ryota Tanaka , Taichi Iki , Taku Hasegawa , Kyosuke Nishida , Kuniko Saito , Jun Suzuki

Identifying relevant knowledge to be used in conversational systems that are grounded in long documents is critical to effective response generation. We introduce a knowledge identification model that leverages the document structure to…

Computation and Language · Computer Science 2021-09-13 Zeqiu Wu , Bo-Ru Lu , Hannaneh Hajishirzi , Mari Ostendorf

Complex knowledge base question answering can be achieved by converting questions into sequences of predefined actions. However, there is a significant semantic and structural gap between natural language and action sequences, which makes…

Computation and Language · Computer Science 2022-12-27 Yechun Tang , Xiaoxia Cheng , Weiming Lu

We describe a Question Answering (QA) dataset that contains complex questions with conditional answers, i.e. the answers are only applicable when certain conditions apply. We call this dataset ConditionalQA. In addition to conditional…

Computation and Language · Computer Science 2021-10-14 Haitian Sun , William W. Cohen , Ruslan Salakhutdinov

The Science Consultant Agent is a web-based Artificial Intelligence (AI) tool that helps practitioners select and implement the most effective modeling strategy for AI-based solutions. It operates through four core components:…

Artificial Intelligence · Computer Science 2025-12-19 Karthikeyan K , Philip Wu , Xin Tang , Alexandre Alves

Ambiguous user queries in search engines result in the retrieval of documents that often span multiple topics. One potential solution is for the search engine to generate multiple refined queries, each of which relates to a subset of the…

Computation and Language · Computer Science 2019-10-28 Woon Sang Cho , Yizhe Zhang , Sudha Rao , Chris Brockett , Sungjin Lee

Large reasoning models have demonstrated strong problem-solving abilities, yet real-world tasks often require external tools and long-horizon interactions. Existing agent frameworks typically follow predefined workflows, which limit…

Artificial Intelligence · Computer Science 2026-02-06 Xiaoxi Li , Wenxiang Jiao , Jiarui Jin , Guanting Dong , Jiajie Jin , Yinuo Wang , Hao Wang , Yutao Zhu , Ji-Rong Wen , Yuan Lu , Zhicheng Dou

Despite widespread interests in reinforcement-learning for task-oriented dialogue systems, several obstacles can frustrate research and development progress. First, reinforcement learners typically require interaction with the environment,…

Machine Learning · Computer Science 2017-11-15 Xiujun Li , Zachary C. Lipton , Bhuwan Dhingra , Lihong Li , Jianfeng Gao , Yun-Nung Chen

In the last few years, open-domain question answering (ODQA) has advanced rapidly due to the development of deep learning techniques and the availability of large-scale QA datasets. However, the current datasets are essentially designed for…

Computation and Language · Computer Science 2022-02-23 Jiexin Wang , Adam Jatowt , Masatoshi Yoshikawa

Knowledge Graph Question Answering (KGQA) aims to improve factual accuracy by leveraging structured knowledge. However, real-world Knowledge Graphs (KGs) are often incomplete, leading to the problem of Incomplete KGQA (IKGQA). A common…

Artificial Intelligence · Computer Science 2025-12-08 Jilong Liu , Pengyang Shao , Wei Qin , Fei Liu , Yonghui Yang , Richang Hong

Recent developments in Large Language Model (LLM)-based agents have shown impressive capabilities spanning multiple domains, exemplified by deep research systems that demonstrate superior performance on complex information-seeking and…

Computation and Language · Computer Science 2025-09-03 Ailing Yu , Lan Yao , Jingnan Liu , Zhe Chen , Jiajun Yin , Yuan Wang , Xinhao Liao , Zhiling Ye , Ji Li , Yun Yue , Hansong Xiao , Hualei Zhou , Chunxiao Guo , Peng Wei , Junwei Liu , Jinjie Gu

Document Visual Question Answering (DocVQA) requires vision-language models to reason not only about what information in a document is relevant to a question, but also where the answer is grounded on the page. Existing DocVQA models…

Machine Learning · Computer Science 2026-05-08 Kjetil Indrehus , Adrian Duric , Changkyu Choi , Ali Ramezani-Kebrya

General AI Agents are increasingly recognized as foundational frameworks for the next generation of artificial intelligence, enabling complex reasoning, web interaction, coding, and autonomous research capabilities. However, current agent…

Open-domain question answering (QA) aims to find the answer to a question from a large collection of documents.Though many models for single-document machine comprehension have achieved strong performance, there is still much room for…

Computation and Language · Computer Science 2020-06-11 Mantong Zhou , Zhouxing Shi , Minlie Huang , Xiaoyan Zhu

Textbook Question Answering is a complex task in the intersection of Machine Comprehension and Visual Question Answering that requires reasoning with multimodal information from text and diagrams. For the first time, this paper taps on the…

Computation and Language · Computer Science 2020-10-02 Jose Manuel Gomez-Perez , Raul Ortega

Long document summarization remains a significant challenge for current large language models (LLMs), as existing approaches commonly struggle with information loss, factual inconsistencies, and coherence issues when processing excessively…

Computation and Language · Computer Science 2026-02-06 Weixuan Wang , Minghao Wu , Barry Haddow , Alexandra Birch

The rise of multi-agent systems powered by large language models (LLMs) and specialized reasoning agents exposes fundamental limitations in today's data management architectures. Traditional databases and data fabrics were designed for…

Multiagent Systems · Computer Science 2025-12-11 Ioana Giurgiu , Michael E. Nidd

Table-based question answering (TableQA) is an important task in natural language processing, which requires comprehending tables and employing various reasoning ways to answer the questions. This paper introduces TableQAKit, the first…

Computation and Language · Computer Science 2023-10-24 Fangyu Lei , Tongxu Luo , Pengqi Yang , Weihao Liu , Hanwen Liu , Jiahe Lei , Yiming Huang , Yifan Wei , Shizhu He , Jun Zhao , Kang Liu