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Table detection within document images is a crucial task in document processing, involving the identification and localization of tables. Recent strides in deep learning have substantially improved the accuracy of this task, but it still…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Tahira Shehzadi , Shalini Sarode , Didier Stricker , Muhammad Zeshan Afzal

Upon the significant performance of the supervised deep neural networks, conventional procedures of developing ML system are \textit{task-centric}, which aims to maximize the task accuracy. However, we scrutinized this \textit{task-centric}…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Kyung Ho Park , Hyunhee Chung , Soonwoo Kwon

Recently, there is an effort to extend fine-grained entity typing by using a richer and ultra-fine set of types, and labeling noun phrases including pronouns and nominal nouns instead of just named entity mentions. A key challenge for this…

Computation and Language · Computer Science 2021-06-09 Hongliang Dai , Yangqiu Song , Haixun Wang

Entity alignment, aiming to identify equivalent entities across different knowledge graphs (KGs), is a fundamental problem for constructing Web-scale KGs. Over the course of its development, the label supervision has been considered…

Machine Learning · Computer Science 2022-03-03 Xiao Liu , Haoyun Hong , Xinghao Wang , Zeyi Chen , Evgeny Kharlamov , Yuxiao Dong , Jie Tang

Entity Linking is one of the most common Natural Language Processing tasks in practical applications, but so far efficient end-to-end solutions with multilingual coverage have been lacking, leading to complex model stacks. To fill this gap,…

This paper explores entity embedding effectiveness in ad-hoc entity retrieval, which introduces distributed representation of entities into entity retrieval. The knowledge graph contains lots of knowledge and models entity semantic…

Information Retrieval · Computer Science 2019-08-29 Zhenghao Liu , Chenyan Xiong , Maosong Sun , Zhiyuan Liu

Table integration aims to create a comprehensive table by consolidating tuples containing relevant information. In this work, we investigate the challenge of integrating multiple tables from a data lake, focusing on three core tasks: 1)…

Databases · Computer Science 2025-04-15 Daomin Ji , Hui Luo , Zhifeng Bao , Shane Culpepper

In this paper, we present an end-to-end multi-source Entity Matching problem, which we call entity group matching, where the goal is to assign to the same group, records originating from multiple data sources but representing the same…

To enhance research on multimodal knowledge base and multimodal information processing, we propose a new task called multimodal entity tagging (MET) with a multimodal knowledge base (MKB). We also develop a dataset for the problem using an…

Information Retrieval · Computer Science 2022-07-29 Hao Peng , Hang Li , Lei Hou , Juanzi Li , Chao Qiao

Multimodal Entity Linking (MEL) is a task that aims to link ambiguous mentions within multimodal contexts to referential entities in a multimodal knowledge base. Recent methods for MEL adopt a common framework: they first interact and fuse…

Computation and Language · Computer Science 2023-10-10 Shangyu Xing , Fei Zhao , Zhen Wu , Chunhui Li , Jianbing Zhang , Xinyu Dai

Existing work on Entity Linking mostly assumes that the reference knowledge base is complete, and therefore all mentions can be linked. In practice this is hardly ever the case, as knowledge bases are incomplete and because novel concepts…

Computation and Language · Computer Science 2022-05-26 Nora Kassner , Fabio Petroni , Mikhail Plekhanov , Sebastian Riedel , Nicola Cancedda

Entity alignment (EA) is a fundamental data integration task that identifies equivalent entities between different knowledge graphs (KGs). Temporal Knowledge graphs (TKGs) extend traditional knowledge graphs by introducing timestamps, which…

Information Retrieval · Computer Science 2023-02-09 Xiaoze Liu , Junyang Wu , Tianyi Li , Lu Chen , Yunjun Gao

Entity resolution (ER), an important and common data cleaning problem, is about detecting data duplicate representations for the same external entities, and merging them into single representations. Relatively recently, declarative rules…

Databases · Computer Science 2017-01-19 Zeinab Bahmani , Leopoldo Bertossi , Nikolaos Vasiloglou

The Expectation Maximization (EM) algorithm is widely used as an iterative modification to maximum likelihood estimation when the data is incomplete. We focus on a semi-supervised case to learn the model from labeled and unlabeled samples.…

Machine Learning · Computer Science 2023-01-26 Erixhen Sula , Lizhong Zheng

Machine learning-based Deepfake detection models have achieved impressive results on benchmark datasets, yet their performance often deteriorates significantly when evaluated on out-of-distribution data. In this work, we investigate an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Haroon Wahab , Hassan Ugail , Lujain Jaleel

Entity linking (EL) is the process of linking entity mentions appearing in web text with their corresponding entities in a knowledge base. EL plays an important role in the fields of knowledge engineering and data mining, underlying a…

Computation and Language · Computer Science 2021-09-28 Wei Shen , Yuhan Li , Yinan Liu , Jiawei Han , Jianyong Wang , Xiaojie Yuan

Entity Recognition (ER) within a text is a fundamental exercise in Natural Language Processing, enabling further depending tasks such as Knowledge Extraction, Text Summarisation, or Keyphrase Extraction. An entity consists of single words…

Computation and Language · Computer Science 2021-06-14 Andreas Waldis , Luca Mazzola

Named entity recognition and relation extraction are two important fundamental problems. Joint learning algorithms have been proposed to solve both tasks simultaneously, and many of them cast the joint task as a table-filling problem.…

Computation and Language · Computer Science 2020-10-09 Jue Wang , Wei Lu

Unsupervised ensemble learning emerged to address the challenge of combining multiple learners' predictions without access to ground truth labels or additional data. This paradigm is crucial in scenarios where evaluating individual…

Machine Learning · Computer Science 2026-01-29 Ariel Maymon , Yanir Buznah , Uri Shaham

The Entity Set Expansion (ESE) task aims to expand a handful of seed entities with new entities belonging to the same semantic class. Conventional ESE methods are based on mono-modality (i.e., literal modality), which struggle to deal with…

Computation and Language · Computer Science 2023-07-28 Yangning Li , Tingwei Lu , Yinghui Li , Tianyu Yu , Shulin Huang , Hai-Tao Zheng , Rui Zhang , Jun Yuan