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In recent years, huge amounts of unstructured textual data on the Internet are a big difficulty for AI algorithms to provide the best recommendations for users and their search queries. Since the Internet became widespread, a lot of…

机器学习 · 计算机科学 2019-11-04 Marko Mihajlovic , Ning Xiong

Recently, applying deep neural networks in IR has become an important and timely topic. For instance, Neural Ranking Models(NRMs) have shown promising performance compared to the traditional ranking models. However, explaining the ranking…

信息检索 · 计算机科学 2020-05-13 Jaekeol Choi , Jungin Choi , Wonjong Rhee

Tabular data builds the basis for a wide range of applications, yet real-world datasets are frequently incomplete due to collection errors, privacy restrictions, or sensor failures. As missing values degrade the performance or hinder the…

This paper studies semi-supervised graph classification, a crucial task with a wide range of applications in social network analysis and bioinformatics. Recent works typically adopt graph neural networks to learn graph-level representations…

机器学习 · 计算机科学 2023-04-25 Wei Ju , Xiao Luo , Meng Qu , Yifan Wang , Chong Chen , Minghua Deng , Xian-Sheng Hua , Ming Zhang

Acoustic word embeddings --- fixed-dimensional vector representations of arbitrary-length words --- have attracted increasing interest in query-by-example spoken term detection. Recently, on the fact that the orthography of text labels…

音频与语音处理 · 电气工程与系统科学 2019-10-02 Myunghun Jung , Hyungjun Lim , Jahyun Goo , Youngmoon Jung , Hoirin Kim

The ability to compute similarity scores between graphs based on metrics such as Graph Edit Distance (GED) is important in many real-world applications. Computing exact GED values is typically an NP-hard problem and traditional algorithms…

机器学习 · 计算机科学 2022-08-18 Haoyan Xu , Runjian Chen , Yueyang Wang , Ziheng Duan , Jie Feng

The Web is a rich source of structured data in the form of tables, from product catalogs and knowledge bases to scientific datasets. However, the heterogeneity of the structure and semantics of these tables makes it challenging to build a…

计算与语言 · 计算机科学 2026-02-19 Inwon Kang , Parikshit Ram , Yi Zhou , Horst Samulowitz , Oshani Seneviratne

Embeddings play a pivotal role in the efficacy of Large Language Models. They are the bedrock on which these models grasp contextual relationships and foster a more nuanced understanding of language and consequently perform remarkably on a…

计算与语言 · 计算机科学 2025-01-08 Aishik Rakshit , Smriti Singh , Shuvam Keshari , Arijit Ghosh Chowdhury , Vinija Jain , Aman Chadha

This paper introduces RETSim (Resilient and Efficient Text Similarity), a lightweight, multilingual deep learning model trained to produce robust metric embeddings for near-duplicate text retrieval, clustering, and dataset deduplication…

计算与语言 · 计算机科学 2023-11-30 Marina Zhang , Owen Vallis , Aysegul Bumin , Tanay Vakharia , Elie Bursztein

We present MedSim, a novel semantic SIMilarity method based on public well-established bio-MEDical knowledge graphs (KGs) and large-scale corpus, to study the therapeutic substitution of antibiotics. Besides hierarchy and corpus of KGs,…

计算与语言 · 计算机科学 2018-12-06 Kai Lei , Kaiqi Yuan , Qiang Zhang , Ying Shen

Recently, the topic of table pre-training has attracted considerable research interest. However, how to employ table pre-training to boost the performance of tabular prediction remains an open challenge. In this paper, we propose TapTap,…

机器学习 · 计算机科学 2023-05-18 Tianping Zhang , Shaowen Wang , Shuicheng Yan , Jian Li , Qian Liu

An automatic table recognition method for interpretation of tabular data in document images majorly involves solving two problems of table detection and table structure recognition. The prior work involved solving both problems…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Devashish Prasad , Ayan Gadpal , Kshitij Kapadni , Manish Visave , Kavita Sultanpure

Deep Metric Learning (DML) methods aim at learning an embedding space in which distances are closely related to the inherent semantic similarity of the inputs. Previous studies have shown that popular benchmark datasets often contain…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Oriol Barbany , Xiaofan Lin , Muhammet Bastan , Arnab Dhua

Deep learning has achieved impressive performance in many domains, such as computer vision and natural language processing, but its advantage over classical shallow methods on tabular datasets remains questionable. It is especially…

机器学习 · 计算机科学 2023-08-25 Witold Wydmański , Oleksii Bulenok , Marek Śmieja

This paper presents a novel approach for image retrieval and pattern spotting in document image collections. The manual feature engineering is avoided by learning a similarity-based representation using a Siamese Neural Network trained on a…

计算机视觉与模式识别 · 计算机科学 2019-06-25 Kelly L. Wiggers , Alceu S. Britto , Laurent Heutte , Alessandro L. Koerich , Luiz S. Oliveira

Graph classification is a significant problem in many scientific domains. It addresses tasks such as the classification of proteins and chemical compounds into categories according to their functions, or chemical and structural properties.…

机器学习 · 计算机科学 2019-02-25 Marcelo Daniel Gutierrez Mallea , Peter Meltzer , Peter J Bentley

Understanding the semantics of tables at scale is crucial for tasks like data integration, preparation, and search. Table understanding methods aim at detecting a table's topic, semantic column types, column relations, or entities. With the…

数据库 · 计算机科学 2021-09-14 Madelon Hulsebos , Sneha Gathani , James Gale , Isil Dillig , Paul Groth , Çağatay Demiralp

Table structure recognition (TSR) holds widespread practical importance by parsing tabular images into structured representations, yet encounters significant challenges when processing complex layouts involving merged or empty cells.…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Boming Chen , Zining Wang , Zhentao Guo , Jianqiang Liu , Chen Duan , Yu Gu , Kai zhou , Pengfei Yan

Entity resolution is a widely studied problem with several proposals to match records across relations. Matching textual content is a widespread task in many applications, such as question answering and search. While recent methods achieve…

数据库 · 计算机科学 2021-12-17 Naser Ahmadi , Hansjorg Sand , Paolo Papotti

The extraction and use of diverse knowledge from numerous documents is a pressing challenge in intelligent information retrieval. Documents contain elements that require different recognition methods. Table recognition typically consists of…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Takaya Kawakatsu