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Humans continuously make new discoveries, and understanding temporal sequence of events leading to these breakthroughs is essential for advancing science and society. This ability to reason over time allows us to identify future steps and…

Computation and Language · Computer Science 2025-04-03 Abhilash Shankarampeta , Harsh Mahajan , Tushar Kataria , Dan Roth , Vivek Gupta

Large language models (LLMs) have shown nearly saturated performance on many natural language processing (NLP) tasks. As a result, it is natural for people to believe that LLMs have also mastered abilities such as time understanding and…

Computation and Language · Computer Science 2023-10-10 Yifan Wei , Yisong Su , Huanhuan Ma , Xiaoyan Yu , Fangyu Lei , Yuanzhe Zhang , Jun Zhao , Kang Liu

Knowledge Base Question Answering (KBQA) has been a long-standing field to answer questions based on knowledge bases. Recently, the evolving dynamics of knowledge have attracted a growing interest in Temporal Knowledge Graph Question…

Computation and Language · Computer Science 2026-01-15 Miao Su , Zixuan Li , Zhuo Chen , Long Bai , Xiaolong Jin , Jiafeng Guo

Knowledge Base Question Answering (KBQA) systems have the goal of answering complex natural language questions by reasoning over relevant facts retrieved from Knowledge Bases (KB). One of the major challenges faced by these systems is their…

Computation and Language · Computer Science 2022-03-22 Nithish Kannen , Udit Sharma , Sumit Neelam , Dinesh Khandelwal , Shajith Ikbal , Hima Karanam , L Venkata Subramaniam

Closed-book question answering (QA) requires a model to directly answer an open-domain question without access to any external knowledge. Prior work on closed-book QA either directly finetunes or prompts a pretrained language model (LM) to…

Computation and Language · Computer Science 2023-04-28 Dan Su , Mostofa Patwary , Shrimai Prabhumoye , Peng Xu , Ryan Prenger , Mohammad Shoeybi , Pascale Fung , Anima Anandkumar , Bryan Catanzaro

Community question-answering (CQA) platforms have become very popular forums for asking and answering questions daily. While these forums are rich repositories of community knowledge, they present challenges for finding relevant answers and…

Information Retrieval · Computer Science 2019-04-18 Muhammad Mahbubur Rahman , Sorami Hisamoto , Kevin Duh

Recent advances have enabled the extraction of vectorized features from digital historical maps. To fully leverage this information, however, the extracted features must be organized in a structured and meaningful way that supports…

Information Retrieval · Computer Science 2025-12-09 Ziyi Liu , Sidi Wu , Lorenz Hurni

Recent advances in multimodal question answering have primarily focused on combining heterogeneous modalities or fine-tuning multimodal large language models. While these approaches have shown strong performance, they often rely on a…

Computation and Language · Computer Science 2026-04-22 Krishna Singh Rajput , Tejas Anvekar , Chitta Baral , Vivek Gupta

The rapid proliferation of Large Language Models (LLMs) has significantly contributed to the development of equitable AI systems capable of factual question-answering (QA). However, no known study tests the LLMs' robustness when presented…

Computation and Language · Computer Science 2026-03-05 Shubhra Ghosh , Abhilekh Borah , Aditya Kumar Guru , Kripabandhu Ghosh

Recently, multilingual question answering became a crucial research topic, and it is receiving increased interest in the NLP community. However, the unavailability of large-scale datasets makes it challenging to train multilingual QA…

Computation and Language · Computer Science 2019-12-13 Casimiro Pio Carrino , Marta R. Costa-jussà , José A. R. Fonollosa

Question Answering (QA) is a challenging topic since it requires tackling the various difficulties of natural language understanding. Since evaluation is important not only for identifying the strong and weak points of the various…

Computation and Language · Computer Science 2021-02-09 Katerina Papantoniou , Yannis Tzitzikas

Question answering (QA) tasks have been posed using a variety of formats, such as extractive span selection, multiple choice, etc. This has led to format-specialized models, and even to an implicit division in the QA community. We argue…

Computation and Language · Computer Science 2020-10-08 Daniel Khashabi , Sewon Min , Tushar Khot , Ashish Sabharwal , Oyvind Tafjord , Peter Clark , Hannaneh Hajishirzi

Question Answering (QA) systems have traditionally relied on structured text data, but the rapid growth of multimedia content (images, audio, video, and structured metadata) has introduced new challenges and opportunities for…

Information Retrieval · Computer Science 2025-10-24 Rahul Raja , Arpita Vats

Open-domain complex Question Answering (QA) is a difficult task with challenges in evidence retrieval and reasoning. The complexity of such questions could stem from questions being compositional, hybrid evidence, or ambiguity in questions.…

Computation and Language · Computer Science 2024-06-26 Venktesh V. Deepali Prabhu , Avishek Anand

Large Language Models (LMs) have achieved state-of-the-art performance on many Natural Language Processing (NLP) benchmarks. With the growing number of new benchmarks, we build bigger and more complex LMs. However, building new LMs may not…

Computation and Language · Computer Science 2022-10-28 Pruthvi Patel , Swaroop Mishra , Mihir Parmar , Chitta Baral

We present the results of the Workshop on Multilingual Information Access (MIA) 2022 Shared Task, evaluating cross-lingual open-retrieval question answering (QA) systems in 16 typologically diverse languages. In this task, we adapted two…

Computation and Language · Computer Science 2022-07-05 Akari Asai , Shayne Longpre , Jungo Kasai , Chia-Hsuan Lee , Rui Zhang , Junjie Hu , Ikuya Yamada , Jonathan H. Clark , Eunsol Choi

Recent advances in tabular question answering (QA) with large language models are constrained in their coverage and only answer questions over a single table. However, real-world queries are complex in nature, often over multiple tables in…

Computation and Language · Computer Science 2023-08-09 Vaishali Pal , Andrew Yates , Evangelos Kanoulas , Maarten de Rijke

Retrieval augmented language models have recently become the standard for knowledge intensive tasks. Rather than relying purely on latent semantics within the parameters of large neural models, these methods enlist a semi-parametric memory…

Computation and Language · Computer Science 2023-01-24 Wenhu Chen , Pat Verga , Michiel de Jong , John Wieting , William Cohen

Table Question Answering (Table QA) refers to providing precise answers from tables to answer a user's question. In recent years, there have been a lot of works on table QA, but there is a lack of comprehensive surveys on this research…

Computation and Language · Computer Science 2022-07-13 Nengzheng Jin , Joanna Siebert , Dongfang Li , Qingcai Chen

This paper proposes CQ-VQA, a novel 2-level hierarchical but end-to-end model to solve the task of visual question answering (VQA). The first level of CQ-VQA, referred to as question categorizer (QC), classifies questions to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Aakansha Mishra , Ashish Anand , Prithwijit Guha