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In this paper, we create benchmarks and assess the effectiveness of error correction methods for Japanese vouchers in OCR (Optical Character Recognition) systems. It is essential for automation processing to correctly recognize scanned…

计算与语言 · 计算机科学 2024-10-01 Masato Fujitake

The use of visually-rich documents (VRDs) in various fields has created a demand for Document AI models that can read and comprehend documents like humans, which requires the overcoming of technical, linguistic, and cognitive barriers.…

人机交互 · 计算机科学 2023-10-24 Hao Wang , Qingxuan Wang , Yue Li , Changqing Wang , Chenhui Chu , Rui Wang

Automated fact-checking benchmarks have largely ignored the challenge of verifying claims against real-world, high-volume structured data, instead focusing on small, curated tables. We introduce a new large-scale, multilingual dataset to…

计算与语言 · 计算机科学 2026-01-27 Jacob Devasier , Akshith Putta , Qing Wang , Alankrit Moses , Chengkai Li

Recently, considerable research efforts have been devoted to the design of methods to learn from data overcomplete dictionaries for sparse coding. However, learned dictionaries require the solution of an optimization problem for coding new…

机器学习 · 计算机科学 2010-11-17 Curzio Basso , Matteo Santoro , Alessandro Verri , Silvia Villa

Open-text (or open-domain) semantic parsers are designed to interpret any statement in natural language by inferring a corresponding meaning representation (MR). Unfortunately, large scale systems cannot be easily machine-learned due to…

人工智能 · 计算机科学 2011-07-20 Antoine Bordes , Xavier Glorot , Jason Weston , Yoshua Bengio

This research paper introduces a novel word-level Optical Character Recognition (OCR) model specifically designed for digital Urdu text, leveraging transformer-based architectures and attention mechanisms to address the distinct challenges…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Ahmed Mustafa , Muhammad Tahir Rafique , Muhammad Ijlal Baig , Hasan Sajid , Muhammad Jawad Khan , Karam Dad Kallu

In the era of MOOCs, online exams are taken by millions of candidates, where scoring short answers is an integral part. It becomes intractable to evaluate them by human graders. Thus, a generic automated system capable of grading these…

While scientists increasingly recognize the importance of metadata in describing their data, spreadsheets remain the preferred tool for supplying this information despite their limitations in ensuring compliance and quality. Various tools…

数字图书馆 · 计算机科学 2023-12-15 Martin J. O'Connor , Marcos Martínez-Romero , Mete Ugur Akdogan , Josef Hardi , Mark A. Musen

In many recommendation applications such as news recommendation, the items that can be rec- ommended come and go at a very fast pace. This is a challenge for recommender systems (RS) to face this setting. Online learning algorithms seem to…

机器学习 · 统计学 2014-05-15 Olivier Nicol , Jérémie Mary , Philippe Preux

Traditional online algorithms encapsulate decision making under uncertainty, and give ways to hedge against all possible future events, while guaranteeing a nearly optimal solution as compared to an offline optimum. On the other hand,…

数据结构与算法 · 计算机科学 2020-08-24 Thodoris Lykouris , Sergei Vassilvitskii

Given the recent proliferation of false claims online, there has been a lot of manual fact-checking effort. As this is very time-consuming, human fact-checkers can benefit from tools that can support them and make them more efficient. Here,…

计算与语言 · 计算机科学 2022-11-16 Shaden Shaar , Nikola Georgiev , Firoj Alam , Giovanni Da San Martino , Aisha Mohamed , Preslav Nakov

The offline reinforcement learning (RL) setting (also known as full batch RL), where a policy is learned from a static dataset, is compelling as progress enables RL methods to take advantage of large, previously-collected datasets, much…

机器学习 · 计算机科学 2021-02-09 Justin Fu , Aviral Kumar , Ofir Nachum , George Tucker , Sergey Levine

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…

Synthesizing unstructured research materials into manuscripts is an essential yet under-explored challenge in AI-driven scientific discovery. Existing autonomous writers are rigidly coupled to specific experimental pipelines, and produce…

人工智能 · 计算机科学 2026-04-08 Yiwen Song , Yale Song , Tomas Pfister , Jinsung Yoon

Query optimizers have long been considered as among the most complex components of a database engine, while the assessment of an optimizer's quality remains a challenging task. Indeed, existing performance benchmarks for database engines…

数据库 · 计算机科学 2016-08-10 Zhan Li , Olga Papaemmanouil , Mitch Cherniack

Existing machine reading comprehension (MRC) models do not scale effectively to real-world applications like web-level information retrieval and question answering (QA). We argue that this stems from the nature of MRC datasets: most of…

计算与语言 · 计算机科学 2020-04-17 Xingdi Yuan , Jie Fu , Marc-Alexandre Cote , Yi Tay , Christopher Pal , Adam Trischler

This paper explores the application of synthetic data in the post-OCR domain on multiple fronts by conducting experiments to assess the impact of data volume, augmentation, and synthetic data generation methods on model performance.…

计算与语言 · 计算机科学 2024-08-14 Shuhao Guan , Derek Greene

Modern decision-making systems, from robots to web recommendation engines, are expected to adapt: to user preferences, changing circumstances or even new tasks. Yet, it is still uncommon to deploy a dynamically learning agent (rather than a…

A fundamental component of modern trackers is an online learned tracking model, which is typically modeled either globally or locally. The two kinds of models perform differently in terms of effectiveness and robustness under different…

计算机视觉与模式识别 · 计算机科学 2016-09-12 Yao Sui , Guanghui Wang , Yafei Tang , Li Zhang

Online map matching is a fundamental problem in location-based services, aiming to incrementally match trajectory data step-by-step onto a road network. However, existing methods fail to meet the needs for efficiency, robustness, and…

机器学习 · 计算机科学 2025-03-21 Minxiao Chen , Haitao Yuan , Nan Jiang , Zhihan Zheng , Sai Wu , Ao Zhou , Shangguang Wang
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