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相关论文: MURRE: Multi-Hop Table Retrieval with Removal for …

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Contrastive language-image pre-training (CLIP) has demonstrated remarkable zero-shot classification ability, namely image classification using novel text labels. Existing works have attempted to enhance CLIP by fine-tuning on downstream…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Seongha Eom , Namgyu Ho , Jaehoon Oh , Se-Young Yun

Text-to-SQL aims to automate the process of generating SQL queries on a database from natural language text. In this work, we propose "SQLPrompt", tailored to improve the few-shot prompting capabilities of Text-to-SQL for Large Language…

计算与语言 · 计算机科学 2023-11-07 Ruoxi Sun , Sercan Ö. Arik , Rajarishi Sinha , Hootan Nakhost , Hanjun Dai , Pengcheng Yin , Tomas Pfister

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

Information Retrieval (IR) methods aim to identify documents relevant to a query, which have been widely applied in various natural language tasks. However, existing approaches typically consider only the textual content within documents,…

计算与语言 · 计算机科学 2026-01-26 Jaewoo Lee , Joonho Ko , Jinheon Baek , Soyeong Jeong , Sung Ju Hwang

Multi-hop Question Answering (QA) necessitates complex reasoning by integrating multiple pieces of information to resolve intricate questions. However, existing QA systems encounter challenges such as outdated information, context window…

计算与语言 · 计算机科学 2024-08-23 Xiaoming Zhang , Ming Wang , Xiaocui Yang , Daling Wang , Shi Feng , Yifei Zhang

Retrieval-augmented generation (RAG) grounds large language models in external medical knowledge, yet standard retrievers frequently surface hard negatives that are semantically close to the query but describe clinically distinct…

信息检索 · 计算机科学 2026-04-07 Byeolhee Kim , Min-Kyung Kim , Young-Hak Kim , Tae-Joon Jeon

Information retrieval systems are crucial for enabling effective access to large document collections. Recent approaches have leveraged Large Language Models (LLMs) to enhance retrieval performance through query augmentation, but often rely…

信息检索 · 计算机科学 2025-04-15 Pengcheng Jiang , Jiacheng Lin , Lang Cao , Runchu Tian , SeongKu Kang , Zifeng Wang , Jimeng Sun , Jiawei Han

Relation extraction (RE) is the task of extracting relations between entities in text. Most RE methods extract relations from free-form running text and leave out other rich data sources, such as tables. We explore RE from the perspective…

计算与语言 · 计算机科学 2023-07-13 Arif Shahriar , Rohan Saha , Denilson Barbosa

Sorted Table Search Procedures are the quintessential query-answering tool, with widespread usage that now includes also Web Applications, e.g, Search Engines (Google Chrome) and ad Bidding Systems (AppNexus). Speeding them up, at very…

机器学习 · 计算机科学 2020-07-31 Domenico Amato , Giosué Lo Bosco , Raffaele Giancarlo

Data augmentation has attracted a lot of research attention in the deep learning era for its ability in alleviating data sparseness. The lack of labeled data for unseen evaluation databases is exactly the major challenge for cross-domain…

计算与语言 · 计算机科学 2022-11-16 Kun Wu , Lijie Wang , Zhenghua Li , Ao Zhang , Xinyan Xiao , Hua Wu , Min Zhang , Haifeng Wang

Natural language understanding's relation extraction makes innovative and encouraging novel business concepts possible and facilitates new digitilized decision-making processes. Current approaches allow the extraction of relations with a…

计算与语言 · 计算机科学 2021-11-18 Lars Klöser , Philipp Kohl , Bodo Kraft , Albert Zündorf

Most state-of-the-art open-domain question answering systems use a neural retrieval model to encode passages into continuous vectors and extract them from a knowledge source. However, such retrieval models often require large memory to run…

计算与语言 · 计算机科学 2021-06-03 Ikuya Yamada , Akari Asai , Hannaneh Hajishirzi

Structured (tabular) data in the preclinical and clinical domains contains valuable information about individuals and an efficient table-to-text summarization system can drastically reduce manual efforts to condense this data into reports.…

计算与语言 · 计算机科学 2022-07-15 Heng-Yi Wu , Jingqing Zhang , Julia Ive , Tong Li , Vibhor Gupta , Bingyuan Chen , Yike Guo

In recent research, contrastive learning has proven to be a highly effective method for representation learning and is widely used for dense retrieval. However, we identify that relying solely on contrastive learning can lead to suboptimal…

信息检索 · 计算机科学 2024-03-22 Yang Bai , Anthony Colas , Christan Grant , Daisy Zhe Wang

Text-to-SQLs enables non-expert users to effortlessly retrieve desired information from relational databases using natural language queries. While recent advancements, particularly with Large Language Models (LLMs) like GPT and T5, have…

数据库 · 计算机科学 2024-10-04 Shouvon Sarker , Xishuang Dong , Xiangfang Li , Lijun Qian

Multi-hop question answering (QA) requires models to retrieve and reason over multiple pieces of evidence. While Retrieval-Augmented Generation (RAG) has made progress in this area, existing methods often suffer from two key limitations:…

计算与语言 · 计算机科学 2025-04-01 Yuelyu Ji , Rui Meng , Zhuochun Li , Daqing He

Converting natural language (NL) questions into SQL queries, referred to as Text-to-SQL, has emerged as a pivotal technology for facilitating access to relational databases, especially for users without SQL knowledge. Recent progress in…

计算与语言 · 计算机科学 2025-06-02 Yiming Huang , Jiyu Guo , Wenxin Mao , Cuiyun Gao , Peiyi Han , Chuanyi Liu , Qing Ling

In relation extraction for knowledge-based question answering, searching from one entity to another entity via a single relation is called "one hop". In related work, an exhaustive search from all one-hop relations, two-hop relations, and…

计算与语言 · 计算机科学 2019-04-03 Zi-Yuan Chen , Chih-Hung Chang , Yi-Pei Chen , Jijnasa Nayak , Lun-Wei Ku

Evaluating open-domain dialogue systems is challenging for reasons such as the one-to-many problem, i.e., many appropriate responses other than just the golden response. As of now, automatic evaluation methods need better consistency with…

计算与语言 · 计算机科学 2023-09-19 Zhengliang Shi , Weiwei Sun , Shuo Zhang , Zhen Zhang , Pengjie Ren , Zhaochun Ren

Despite advances in large language model (LLM)-based natural language interfaces for databases, scaling to enterprise-level data catalogs remains an under-explored challenge. Prior works addressing this challenge rely on domain-specific…

计算与语言 · 计算机科学 2025-08-01 Jeffrey Eben , Aitzaz Ahmad , Stephen Lau
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