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Entity resolution, the task of identifying and merging records that refer to the same real-world entity, is crucial in sectors like e-commerce, healthcare, and law enforcement. Large Language Models (LLMs) introduce an innovative approach…

Computation and Language · Computer Science 2024-09-13 Huahang Li , Longyu Feng , Shuangyin Li , Fei Hao , Chen Jason Zhang , Yuanfeng Song

Answering real-world tourism questions that seek Point-of-Interest (POI) recommendations is challenging, as it requires both spatial and non-spatial reasoning, over a large candidate pool. The traditional method of encoding each pair of…

Computation and Language · Computer Science 2024-01-05 Haonan Li , Martin Tomko , Timothy Baldwin

Deep learning underpins most of the currently advanced natural language processing (NLP) tasks such as textual classification, neural machine translation (NMT), abstractive summarization and question-answering (QA). However, the robustness…

Computation and Language · Computer Science 2024-11-14 Jiyao Li , Mingze Ni , Yongshun Gong , Wei Liu

Reranking is a critical stage in contemporary information retrieval (IR) systems, improving the relevance of the user-presented final results by honing initial candidate sets. This paper is a thorough guide to examine the changing reranker…

Information Retrieval · Computer Science 2025-12-19 Tejul Pandit , Sakshi Mahendru , Meet Raval , Dhvani Upadhyay

Deep research has emerged as an important task that aims to address hard queries through extensive open-web exploration. To tackle it, most prior work equips large language model (LLM)-based agents with opaque web search APIs, enabling…

Information Retrieval · Computer Science 2026-02-26 Chuan Meng , Litu Ou , Sean MacAvaney , Jeff Dalton

Deep research agents have emerged as LLM-based systems designed to perform multi-step information seeking and reasoning over large, open-domain sources to answer complex questions by synthesizing information from multiple information…

Information Retrieval · Computer Science 2026-03-20 Mahta Rafiee , Heydar Soudani , Zahra Abbasiantaeb , Mohammad Aliannejadi , Faegheh Hasibi , Hamed Zamani

Building a question-answering agent currently requires large annotated datasets, which are prohibitively expensive. This paper proposes Schema2QA, an open-source toolkit that can generate a Q&A system from a database schema augmented with a…

Computation and Language · Computer Science 2023-05-03 Silei Xu , Giovanni Campagna , Jian Li , Monica S. Lam

Open book question answering is a type of natural language based QA (NLQA) where questions are expected to be answered with respect to a given set of open book facts, and common knowledge about a topic. Recently a challenge involving such…

Computation and Language · Computer Science 2019-07-26 Pratyay Banerjee , Kuntal Kumar Pal , Arindam Mitra , Chitta Baral

Large Language Models (LLMs) excel at tackling various natural language tasks. However, due to the significant costs involved in re-training or fine-tuning them, they remain largely static and difficult to personalize. Nevertheless, a…

Information Retrieval · Computer Science 2024-02-20 Jinheon Baek , Nirupama Chandrasekaran , Silviu Cucerzan , Allen herring , Sujay Kumar Jauhar

Large Language Models (LLMs) excel in natural language tasks but still face challenges in Question Answering (QA) tasks requiring complex, multi-step reasoning. We outline the types of reasoning required in some of these tasks, and reframe…

Computation and Language · Computer Science 2025-02-17 Nick Ferguson , Liane Guillou , Alan Bundy , Kwabena Nuamah

Answer selection (answer ranking) is one of the key steps in many kinds of question answering (QA) applications, where deep models have achieved state-of-the-art performance. Among these deep models, recurrent neural network (RNN) based…

Computation and Language · Computer Science 2019-05-28 Dong Xu , Jianhui Ji , Haikuan Huang , Hongbo Deng , Wu-Jun Li

"High Quality Related Search Query Suggestions" task aims at recommending search queries which are real, accurate, diverse, relevant and engaging. Obtaining large amounts of query-quality human annotations is expensive. Prior work on…

Information Retrieval · Computer Science 2021-08-11 Praveen Kumar Bodigutla

We present an open deep research system for long-form question answering, selected as a winning system in the text-to-text track of the MMU-RAG competition at NeurIPS 2025. The system combines an open-source large language model (LLM) with…

Computation and Language · Computer Science 2025-12-16 Ikuya Yamada , Wataru Ikeda , Ko Yoshida , Mengyu Ye , Hinata Sugimoto , Masatoshi Suzuki , Hisanori Ozaki , Jun Suzuki

Question Answering System (QAS) is used for information retrieval and natural language processing (NLP) to reduce human effort. There are numerous QAS based on the user documents present today, but they all are limited to providing…

Computation and Language · Computer Science 2017-01-02 Ahlam Ansari , Moonish Maknojia , Altamash Shaikh

Personalization in Information Retrieval is a topic studied for a long time. Nevertheless, there is still a lack of high-quality, real-world datasets to conduct large-scale experiments and evaluate models for personalized search. This paper…

Information Retrieval · Computer Science 2024-03-18 Pranav Kasela , Marco Braga , Gabriella Pasi , Raffaele Perego

The emergence of structured databases for Question Answering (QA) systems has led to developing methods, in which the problem of learning the correct answer efficiently is based on a linking task between the constituents of the question and…

Machine Learning · Computer Science 2020-03-05 Hamid Zafar , Maryam Tavakol , Jens Lehmann

Multi-hop question answering (QA) requires an information retrieval (IR) system that can find \emph{multiple} supporting evidence needed to answer the question, making the retrieval process very challenging. This paper introduces an IR…

Computation and Language · Computer Science 2019-09-18 Ameya Godbole , Dilip Kavarthapu , Rajarshi Das , Zhiyu Gong , Abhishek Singhal , Hamed Zamani , Mo Yu , Tian Gao , Xiaoxiao Guo , Manzil Zaheer , Andrew McCallum

Extracting valuable facts or informative summaries from multi-dimensional tables, i.e. insight mining, is an important task in data analysis and business intelligence. However, ranking the importance of insights remains a challenging and…

Computation and Language · Computer Science 2018-11-15 Qi Zeng , Liangchen Luo , Wenhao Huang , Yang Tang

The emergence of Large Language Models (LLMs) has boosted performance and possibilities in various NLP tasks. While the usage of generative AI models like ChatGPT opens up new opportunities for several business use cases, their current…

Computation and Language · Computer Science 2023-09-27 Matthias Engelbach , Dennis Klau , Felix Scheerer , Jens Drawehn , Maximilien Kintz

Accurate question answering (QA) in disaster management requires reasoning over uncertain and conflicting information, a setting poorly captured by existing benchmarks built on clean evidence. We introduce DisastQA, a large-scale benchmark…

Computation and Language · Computer Science 2026-01-08 Zhitong Chen , Kai Yin , Xiangjue Dong , Chengkai Liu , Xiangpeng Li , Yiming Xiao , Bo Li , Junwei Ma , Ali Mostafavi , James Caverlee