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Many documents, that we call templatized documents, are programmatically generated by populating fields in a visual template. Effective data extraction from these documents is crucial to supporting downstream analytical tasks. Current data…

Databases · Computer Science 2025-01-14 Yiming Lin , Mawil Hasan , Rohan Kosalge , Alvin Cheung , Aditya G. Parameswaran

LLMs have shown impressive progress in natural language processing. However, they still face significant challenges in TableQA, where real-world complexities such as diverse table structures, multilingual data, and domain-specific reasoning…

Computation and Language · Computer Science 2025-09-23 Junnan Zhu , Jingyi Wang , Bohan Yu , Xiaoyu Wu , Junbo Li , Lei Wang , Nan Xu

Extracting information from tables in documents presents a significant challenge in many industries and in academic research. Existing methods which take a bottom-up approach of integrating lines into cells and rows or columns neglect the…

Neural and Evolutionary Computing · Computer Science 2019-04-04 Nataliya Le Vine , Matthew Zeigenfuse , Mark Rowan

Analytical information needs, such as trend analysis and causal impact assessment, are prevalent across various domains including law, finance, science, and much more. However, existing information retrieval paradigms, whether based on…

Information Retrieval · Computer Science 2026-02-13 Yiteng Tu , Shuo Miao , Weihang Su , Yiqun Liu , Qingyao Ai

User queries in real-world recommendation systems often combine structured constraints (e.g., category, attributes) with unstructured preferences (e.g., product descriptions or reviews). We introduce HyST (Hybrid retrieval over…

Information Retrieval · Computer Science 2025-08-26 Jiyoon Myung , Jihyeon Park , Joohyung Han

The ubiquity of dynamic data in domains such as weather, healthcare, and energy underscores a growing need for effective interpretation and retrieval of time-series data. These data are inherently tied to domain-specific contexts, such as…

Machine Learning · Computer Science 2026-02-03 Jialin Chen , Ziyu Zhao , Gaukhar Nurbek , Aosong Feng , Ali Maatouk , Leandros Tassiulas , Yifeng Gao , Rex Ying

Existing query languages for data discovery exhibit system-driven designs that emphasize database features and functionality over user needs. We propose a re-prioritization of the client through an introduction of a language-driven approach…

Databases · Computer Science 2025-08-12 Andrew Kang , Sainyam Galhotra

Applying language models (LMs) to tables is challenging due to the inherent structural differences between two-dimensional tables and one-dimensional text for which the LMs were originally designed. Furthermore, when applying linearized…

Computation and Language · Computer Science 2025-02-20 Wonjin Lee , Kyumin Kim , Sungjae Lee , Jihun Lee , Kwang In Kim

Generative retrieval introduces a groundbreaking paradigm to document retrieval by directly generating the identifier of a pertinent document in response to a specific query. This paradigm has demonstrated considerable benefits and…

Information Retrieval · Computer Science 2024-10-28 Mingming Li , Huimu Wang , Zuxu Chen , Guangtao Nie , Yiming Qiu , Guoyu Tang , Lin Liu , Jingwei Zhuo

Formalized mathematics has recently garnered significant attention for its ability to assist mathematicians across various fields. Premise retrieval, as a common step in mathematical formalization, has been a challenge, particularly for…

Computation and Language · Computer Science 2025-07-17 Yicheng Tao , Haotian Liu , Shanwen Wang , Hongteng Xu

Document-level relation extraction aims to categorize the association between any two entities within a document. We find that previous methods for document-level relation extraction are ineffective in exploiting the full potential of large…

Computation and Language · Computer Science 2024-06-11 Chufan Gao , Xuan Wang , Jimeng Sun

Numerical tables are widely used to present experimental results in scientific papers. For table understanding, a metric-type is essential to discriminate numbers in the tables. We introduce a new information extraction task, metric-type…

Computation and Language · Computer Science 2021-02-02 Lya Hulliyyatus Suadaa , Hidetaka Kamigaito , Manabu Okumura , Hiroya Takamura

Data integration tasks such as the creation and extension of knowledge graphs involve the fusion of heterogeneous entities from many sources. Matching and fusion of such entities require to also match and combine their properties…

Databases · Computer Science 2020-10-06 Daniel Ayala , Inma Hernández , David Ruiz , Erhard Rahm

Table Question Answering (TableQA) benefits significantly from table pruning, which extracts compact sub-tables by eliminating redundant cells to streamline downstream reasoning. However, existing pruning methods typically rely on…

Computation and Language · Computer Science 2026-05-19 Yu Guo , Shenghao Ye , Shuangwu Chen , Zijian Wen , Tao Zhang , Qirui Bai , Dong Jin , Yunpeng Hou , Huasen He , Jian Yang , Xiaobin Tan

Table Question Answering (Table QA) in real-world settings must operate over both structured databases and semi-structured tables containing textual fields. However, existing benchmarks are tied to fixed data formats and have not…

Computation and Language · Computer Science 2026-02-10 Yue Zhang , Seiji Maekawa , Nikita Bhutani

Table processing-including cleaning, transformation, augmentation, and matching-is a foundational yet error-prone stage in real-world data pipelines. While recent LLM-based approaches show promise for automating such tasks, they often…

Artificial Intelligence · Computer Science 2026-05-13 Wei Liu , Yang Gu , Xi Yan , Zihan Nan , Beicheng Xu , Keyao Ding , Bin Cui , Wentao Zhang

Tabular data synthesis is crucial in machine learning, yet existing general methods-primarily based on statistical or deep learning models-are highly data-dependent and often fall short in recommender systems. This limitation arises from…

Information Retrieval · Computer Science 2025-02-12 Jingtong Gao , Zhaocheng Du , Xiaopeng Li , Yichao Wang , Xiangyang Li , Huifeng Guo , Ruiming Tang , Xiangyu Zhao

Citation recommendation systems aim to recommend citations for either a complete paper or a small portion of text called a citation context. The process of recommending citations for citation contexts is called local citation recommendation…

Information Retrieval · Computer Science 2020-06-02 Michael Färber , Ashwath Sampath

Most research on data discovery has so far focused on improving individual discovery operators such as join, correlation, or union discovery. However, in practice, a combination of these techniques and their corresponding indexes may be…

Databases · Computer Science 2024-12-02 Mahdi Esmailoghli , Christoph Schnell , Renée J. Miller , Ziawasch Abedjan

With today's public data sets containing billions of data items, more and more companies are looking to integrate external data with their traditional enterprise data to improve business intelligence analysis. These distributed data sources…

Databases · Computer Science 2012-05-16 Ahmad Assaf , Eldad Louw , Aline Senart , Corentin Follenfant , Raphaël Troncy , David Trastour
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