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Large Language Models (LLMs) often struggle with requests related to information retrieval and data manipulation that frequently arise in real-world scenarios under multiple conditions. In this paper, we demonstrate that leveraging tabular…

Artificial Intelligence · Computer Science 2026-01-09 Jio Oh , Geon Heo , Seungjun Oh , Hyunjin Kim , JinYeong Bak , Jindong Wang , Xing Xie , Steven Euijong Whang

Tables are common and important in scientific documents, yet most text-based document search systems do not capture structures and semantics specific to tables. How to bridge different types of mismatch between keywords queries and…

Information Retrieval · Computer Science 2017-07-13 Kyle Yingkai Gao , Jamie Callan

Text-based Person Retrieval (TPR) aims to retrieve person images that match the description given a text query. The performance improvement of the TPR model relies on high-quality data for supervised training. However, it is difficult to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Zheng Li , Lijia Si , Caili Guo , Yang Yang , Qiushi Cao

Recent advances in open-domain QA have led to strong models based on dense retrieval, but only focused on retrieving textual passages. In this work, we tackle open-domain QA over tables for the first time, and show that retrieval can be…

Computation and Language · Computer Science 2021-06-10 Jonathan Herzig , Thomas Müller , Syrine Krichene , Julian Martin Eisenschlos

Pivot tables are ubiquitous in data lakes of modern data ecosystems, making accurate schema matching over pivot tables a key prerequisite for data integration. In this paper, we focus on matching for pivot table schema, which is a novel…

Databases · Computer Science 2026-04-30 Yunjun Gao , Chuangyu Ouyang , Congcong Ge , Yifan Zhu

Retrieving code functions, classes or files that are relevant in order to solve a given user query, bug report or feature request from large codebases is a fundamental challenge for Large Language Model (LLM)-based coding agents. Agentic…

Software Engineering · Computer Science 2026-02-09 Shravan Chaudhari , Rahul Thomas Jacob , Mononito Goswami , Jiajun Cao , Shihab Rashid , Christian Bock

Open data portals are essential for providing public access to open datasets. However, their search interfaces typically rely on keyword-based mechanisms and a narrow set of metadata fields. This design makes it difficult for users to find…

Information Retrieval · Computer Science 2025-09-19 Lisa-Yao Gan , Arunav Das , Johanna Walker , Elena Simperl

Recent advances in large language models (LLMs) have opened new opportunities for academic literature retrieval. However, existing systems often rely on rigid pipelines and exhibit limited reasoning capabilities. We introduce SPAR, a…

Information Retrieval · Computer Science 2025-07-22 Xiaofeng Shi , Yuduo Li , Qian Kou , Longbin Yu , Jinxin Xie , Hua Zhou

A large amount of information is stored in data tables. Users can search for data tables using a keyword-based query. A table is composed primarily of data values that are organized in rows and columns providing implicit structural…

Information Retrieval · Computer Science 2022-03-29 Mohamed Trabelsi , Zhiyu Chen , Shuo Zhang , Brian D. Davison , Jeff Heflin

Table reasoning, which aims to generate the corresponding answer to the question following the user requirement according to the provided table, and optionally a text description of the table, effectively improving the efficiency of…

Computation and Language · Computer Science 2024-02-14 Xuanliang Zhang , Dingzirui Wang , Longxu Dou , Qingfu Zhu , Wanxiang Che

Tables have gained significant attention in large language models (LLMs) and multimodal large language models (MLLMs) due to their complex and flexible structure. Unlike linear text inputs, tables are two-dimensional, encompassing formats…

Computation and Language · Computer Science 2025-08-04 Xiaofeng Wu , Alan Ritter , Wei Xu

With the exponential increase in online scientific literature, identifying reliable domain-specific data has become increasingly important but also very challenging. Manual data collection and filtering for domain-specific scientific…

Information Retrieval · Computer Science 2026-03-10 Nikita Gautam , Doina Caragea , Ignacio Ciampitti , Federico Gomez

The advent of Large Language Models (LLMs) heralds a pivotal shift in online user interactions with information. Traditional Information Retrieval (IR) systems primarily relied on query-document matching, whereas LLMs excel in comprehending…

Information Retrieval · Computer Science 2023-11-22 Samira Ghodratnama , Mehrdad Zakershahrak

While extensive research has explored the use of large language models (LLMs) for table-based reasoning, most approaches struggle with scalability when applied to large tables. To maintain the superior comprehension abilities of LLMs in…

Computation and Language · Computer Science 2024-07-04 Han Zhang , Yuheng Ma , Hanfang Yang

Large Language Models (LLMs)-based text retrieval retrieves documents relevant to search queries based on vector similarities. Documents are pre-encoded offline, while queries arrive in real-time, necessitating an efficient online query…

Information Retrieval · Computer Science 2026-02-02 Guangyuan Ma , Yongliang Ma , Xuanrui Gou , Zhenpeng Su , Ming Zhou , Songlin Hu

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…

Information Retrieval · Computer Science 2025-04-15 Pengcheng Jiang , Jiacheng Lin , Lang Cao , Runchu Tian , SeongKu Kang , Zifeng Wang , Jimeng Sun , Jiawei Han

Table reasoning tasks have shown remarkable progress with the development of large language models (LLMs), which involve interpreting and drawing conclusions from tabular data based on natural language (NL) questions. Existing solutions…

Computation and Language · Computer Science 2024-10-11 Yuan Sui , Jiaru Zou , Mengyu Zhou , Xinyi He , Lun Du , Shi Han , Dongmei Zhang

Tabular data is frequently captured in image form across a wide range of real-world scenarios such as financial reports, handwritten records, and document scans. These visual representations pose unique challenges for machine understanding,…

Artificial Intelligence · Computer Science 2026-02-10 Zhuoyan Xu , Haoyang Fang , Boran Han , Bonan Min , Bernie Wang , Cuixiong Hu , Shuai Zhang

Retrieval-augmented large language models (LLMs) have demonstrated efficacy in knowledge-intensive tasks such as open-domain QA, addressing inherent challenges in knowledge update and factual inadequacy. However, inconsistencies between…

Computation and Language · Computer Science 2024-05-31 Jiajie Jin , Yutao Zhu , Yujia Zhou , Zhicheng Dou