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In this paper, we introduce CIBER (Claim Investigation Based on Evidence Retrieval), an extension of the Retrieval-Augmented Generation (RAG) framework designed to identify corroborating and refuting documents as evidence for scientific…

Artificial Intelligence · Computer Science 2025-03-12 Siyuan Wang , James R. Foulds , Md Osman Gani , Shimei Pan

Tabular data constitute a dominant form of information in modern data lakes and repositories, yet discovering the relevant tables to answer user questions remains challenging. Existing data discovery systems assume that each question can be…

Databases · Computer Science 2026-01-06 Wen-Zhi Li , Sainyam Galhotra

Synthetic tabular data generation has attracted growing attention due to its importance for data augmentation, foundation models, and privacy. However, real-world tabular datasets increasingly contain free-form text fields (e.g., reviews or…

Machine Learning · Computer Science 2026-05-13 Donghong Cai , Jiarui Feng , Yanbo Wang , Da Zheng , Yixin Chen , Muhan Zhang

The rapid advancement of large language models (LLMs) has opened new possibilities for automating the proposal of innovative scientific ideas. This process involves two key phases: literature retrieval and idea generation. However, existing…

Computation and Language · Computer Science 2025-02-18 Wenxiao Wang , Lihui Gu , Liye Zhang , Yunxiang Luo , Yi Dai , Chen Shen , Liang Xie , Binbin Lin , Xiaofei He , Jieping Ye

Taxonomy inference for tabular data is a critical task of schema inference, aiming at discovering entity types (i.e., concepts) of the tables and building their hierarchy. It can play an important role in data management, data exploration,…

Databases · Computer Science 2025-03-31 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

In enterprise search, building high-quality datasets at scale remains a central challenge due to the difficulty of acquiring labeled data. To resolve this challenge, we propose an efficient approach to fine-tune small language models (SLMs)…

Image search stands as a pivotal task in multimedia and computer vision, finding applications across diverse domains, ranging from internet search to medical diagnostics. Conventional image search systems operate by accepting textual or…

Multimedia · Computer Science 2024-04-30 Hongyi Zhu , Jia-Hong Huang , Stevan Rudinac , Evangelos Kanoulas

Large language models (LLMs) with in-context learning have significantly improved the performance of text-to-SQL task. Previous works generally focus on using exclusive SQL generation prompt to improve the LLMs' reasoning ability. However,…

Computation and Language · Computer Science 2024-07-15 Zhenhe Wu , Zhongqiu Li , Jie Zhang , Mengxiang Li , Yu Zhao , Ruiyu Fang , Zhongjiang He , Xuelong Li , Zhoujun Li , Shuangyong Song

Despite the recent advancement in Retrieval-Augmented Generation (RAG) systems, most retrieval methodologies are often developed for factual retrieval, which assumes query and positive documents are semantically similar. In this paper, we…

Information Retrieval · Computer Science 2025-04-10 Luo Ji , Feixiang Guo , Teng Chen , Qingqing Gu , Xiaoyu Wang , Ningyuan Xi , Yihong Wang , Peng Yu , Yue Zhao , Hongyang Lei , Zhonglin Jiang , Yong Chen

Relevance modeling between queries and items stands as a pivotal component in commercial search engines, directly affecting the user experience. Given the remarkable achievements of large language models (LLMs) in various natural language…

Artificial Intelligence · Computer Science 2025-02-19 Kaixin Wu , Yixin Ji , Zeyuan Chen , Qiang Wang , Cunxiang Wang , Hong Liu , Baijun Ji , Jia Xu , Zhongyi Liu , Jinjie Gu , Yuan Zhou , Linjian Mo

Data analysts working with relational data often start with vague or underspecified questions and refine them iteratively as they explore the data. To support this iterative process, we demonstrate Pneuma-Seeker, a system that reifies a…

Artificial Intelligence · Computer Science 2026-04-17 Muhammad Imam Luthfi Balaka , Raul Castro Fernandez

Reliable data quality is crucial for downstream analysis of tabular datasets, yet rule-based validation often struggles with inefficiency, human intervention, and high computational costs. We present a three-stage framework that combines…

Software Engineering · Computer Science 2025-09-23 Ashlesha Akella , Akshar Kaul , Krishnasuri Narayanam , Sameep Mehta

Deep Research agents driven by LLMs have automated the scholarly discovery pipeline, from planning and query formulation to iterative web exploration. Yet they remain constrained by a static, ``one-size-fits-all'' retrieval paradigm.…

Information Retrieval · Computer Science 2026-05-12 Xiaopeng Li , Wenlin Zhang , Yingyi Zhang , Pengyue Jia , Yejing Wang , Yichao Wang , Yong Liu , Huifeng Guo , Xiangyu Zhao

The advent of large language models (LLMs) brings an opportunity to minimize the effort in search engine result page (SERP) organization. In this paper, we propose GenSERP, a framework that leverages LLMs with vision in a few-shot setting…

Information Retrieval · Computer Science 2024-04-18 Zhenning Zhang , Yunan Zhang , Suyu Ge , Guangwei Weng , Mridu Narang , Xia Song , Saurabh Tiwary

Index plays an essential role in modern database engines to accelerate the query processing. The new paradigm of "learned index" has significantly changed the way of designing index structures in DBMS. The key insight is that indexes could…

Databases · Computer Science 2021-04-14 Jiacheng Wu , Yong Zhang , Shimin Chen , Jin Wang , Yu Chen , Chunxiao Xing

Retrieving answers in a quick and low cost manner without hallucinations from a combination of structured and unstructured data using Language models is a major hurdle. This is what prevents employment of Language models in knowledge…

Information Retrieval · Computer Science 2023-10-31 Anupam Purwar , Rahul Sundar

In this paper, we explore the question of whether large language models can support cost-efficient information extraction from tables. We introduce schema-driven information extraction, a new task that transforms tabular data into…

Computation and Language · Computer Science 2024-11-22 Fan Bai , Junmo Kang , Gabriel Stanovsky , Dayne Freitag , Mark Dredze , Alan Ritter

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by incorporating external knowledge. Recently, some works have incorporated iterative knowledge accumulation processes into RAG models to progressively accumulate…

Computation and Language · Computer Science 2026-01-15 Xinze Li , Zhenghao Liu , Haidong Xin , Yukun Yan , Shuo Wang , Zheni Zeng , Sen Mei , Ge Yu , Maosong Sun

Peer-to-peer (P2P) Data-sharing systems now generate a significant portion of Internet traffic. P2P systems have emerged as an accepted way to share enormous volumes of data. Needs for widely distributed information systems supporting…

Databases · Computer Science 2011-08-08 Anis Ismail , Mohamed Quafafou , Nicolas Durand , Mohammad Hajjar

Literature analysis facilitates researchers better understanding the development of science and technology. The conventional literature analysis focuses on the topics, authors, abstracts, keywords, references, etc., and rarely pays…

Machine Learning · Computer Science 2019-12-02 Rujing Yao , Linlin Hou , Yingchun Ye , Ou Wu , Ji Zhang , Jian Wu