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Large language models (LLMs) have shown promise in table Question Answering (Table QA). However, extending these capabilities to multi-table QA remains challenging due to unreliable schema linking across complex tables. Existing methods…

Artificial Intelligence · Computer Science 2025-11-25 Xixi Wang , Miguel Costa , Jordanka Kovaceva , Shuai Wang , Francisco C. Pereira

We present a novel graph-based neural network model for relation extraction. Our model treats multiple pairs in a sentence simultaneously and considers interactions among them. All the entities in a sentence are placed as nodes in a…

Computation and Language · Computer Science 2020-03-16 Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

Causal reasoning is a cornerstone of how humans interpret the world. To model and reason about causality, causal graphs offer a concise yet effective solution. Given the impressive advancements in language models, a crucial question arises:…

Computation and Language · Computer Science 2024-06-25 Sirui Chen , Mengying Xu , Kun Wang , Xingyu Zeng , Rui Zhao , Shengjie Zhao , Chaochao Lu

We focus on the task of reasoning over paragraph effects in situation, which requires a model to understand the cause and effect described in a background paragraph, and apply the knowledge to a novel situation. Existing works ignore the…

Computation and Language · Computer Science 2020-10-06 Mucheng Ren , Xiubo Geng , Tao Qin , Heyan Huang , Daxin Jiang

Discovering precise and interpretable rules from knowledge graphs is regarded as an essential challenge, which can improve the performances of many downstream tasks and even provide new ways to approach some Natural Language Processing…

Computation and Language · Computer Science 2022-06-14 Canlin Zhang , Chun-Nan Hsu , Yannis Katsis , Ho-Cheol Kim , Yoshiki Vazquez-Baeza

Recent works show that interactive documents connecting text with visualizations facilitate reading comprehension. However, creating this type of content requires specialized knowledge. We present ChartText, a method that links text with…

Human-Computer Interaction · Computer Science 2022-01-14 Joao Pinheiro , Jorge Poco

Table-based reasoning with large language models (LLMs) is a promising direction to tackle many table understanding tasks, such as table-based question answering and fact verification. Compared with generic reasoning, table-based reasoning…

To verify and validate networks, it is essential to gain insight into their decisions, limitations as well as possible shortcomings of training data. In this work, we propose a post-hoc, optimization based visual explanation method, which…

Computer Vision and Pattern Recognition · Computer Science 2019-08-08 Jörg Wagner , Jan Mathias Köhler , Tobias Gindele , Leon Hetzel , Jakob Thaddäus Wiedemer , Sven Behnke

In this paper, we present an end-to-end joint entity and relation extraction approach based on transformer-based language models. We apply the model to the task of linking mathematical symbols to their descriptions in LaTeX documents. In…

Computation and Language · Computer Science 2022-05-05 Nicholas Popovic , Walter Laurito , Michael Färber

Currently used metrics for assessing summarization algorithms do not account for whether summaries are factually consistent with source documents. We propose a weakly-supervised, model-based approach for verifying factual consistency and…

Computation and Language · Computer Science 2019-10-29 Wojciech Kryściński , Bryan McCann , Caiming Xiong , Richard Socher

In this paper, we investigate the effectiveness of various LLMs in interpreting tabular data through different prompting strategies and data formats. Our analyses extend across six benchmarks for table-related tasks such as…

Machine Learning · Computer Science 2024-10-18 Naihao Deng , Zhenjie Sun , Ruiqi He , Aman Sikka , Yulong Chen , Lin Ma , Yue Zhang , Rada Mihalcea

Vision-language models (VLMs) have revolutionized machine learning by leveraging large pre-trained models to tackle various downstream tasks. Although label, training, and data efficiency have improved, many state-of-the-art VLMs still…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Yushu Li , Yongyi Su , Adam Goodge , Kui Jia , Xun Xu

Document-level relation extraction is a challenging task which requires reasoning over multiple sentences in order to predict relations in a document. In this paper, we pro-pose a joint training frameworkE2GRE(Entity and Evidence Guided…

Computation and Language · Computer Science 2020-08-28 Kevin Huang , Guangtao Wang , Tengyu Ma , Jing Huang

Relation extraction (RE) aims to extract potential relations according to the context of two entities, thus, deriving rational contexts from sentences plays an important role. Previous works either focus on how to leverage the entity…

Computation and Language · Computer Science 2023-05-08 Xuming Hu , Zhaochen Hong , Chenwei Zhang , Irwin King , Philip S. Yu

To resolve the semantic ambiguity in texts, we propose a model, which innovatively combines a knowledge graph with an improved attention mechanism. An existing knowledge base is utilized to enrich the text with relevant contextual concepts.…

Computation and Language · Computer Science 2024-01-30 Siyu Li , Lu Chen , Chenwei Song , Xinyi Liu

Entity summarization has been a prominent task over knowledge graphs. While existing methods are mainly unsupervised, we present DeepLENS, a simple yet effective deep learning model where we exploit textual semantics for encoding triples…

Information Retrieval · Computer Science 2020-03-26 Qingxia Liu , Gong Cheng , Yuzhong Qu

Many real world systems need to operate on heterogeneous information networks that consist of numerous interacting components of different types. Examples include systems that perform data analysis on biological information networks; social…

Artificial Intelligence · Computer Science 2017-07-26 Parisa Kordjamshidi , Sameer Singh , Daniel Khashabi , Christos Christodoulopoulos , Mark Summons , Saurabh Sinha , Dan Roth

Span extraction, aiming to extract text spans (such as words or phrases) from plain texts, is a fundamental process in Information Extraction. Recent works introduce the label knowledge to enhance the text representation by formalizing the…

Computation and Language · Computer Science 2021-11-02 Pan Yang , Xin Cong , Zhenyun Sun , Xingwu Liu

We develop a shape analysis for reasoning about relational properties of data structures. Both the concrete and the abstract domain are represented by hypergraphs. The analysis is parameterized by user-supplied indexed graph grammars to…

Programming Languages · Computer Science 2018-04-20 Hannah Arndt , Christina Jansen , Christoph Matheja , Thomas Noll

Graph property prediction tasks are important and numerous. While each task offers a small size of labeled examples, unlabeled graphs have been collected from various sources and at a large scale. A conventional approach is training a model…

Machine Learning · Computer Science 2023-10-13 Gang Liu , Eric Inae , Tong Zhao , Jiaxin Xu , Tengfei Luo , Meng Jiang
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