中文
相关论文

相关论文: MTab: Matching Tabular Data to Knowledge Graph usi…

200 篇论文

Probabilistic graphical models (PGMs) are widely used to discover latent structure in data, but their success hinges on selecting an appropriate model design. In practice, model specification is difficult and often requires iterative…

机器学习 · 计算机科学 2026-04-08 Kevin Zhang , Yixin Wang

Knowledge graphs are used to represent relational information in terms of triples. To enable learning about domains, embedding models, such as tensor factorization models, can be used to make predictions of new triples. Often there is…

机器学习 · 计算机科学 2018-12-11 Bahare Fatemi , Siamak Ravanbakhsh , David Poole

Knowledge graphs have proven to be effective for modeling entities and their relationships through the use of ontologies. The recent emergence in interest for using knowledge graphs as a form of information modeling has led to their…

人工智能 · 计算机科学 2023-07-21 Ngoc Luyen Le , Marie-Hélène Abel , Philippe Gouspillou

Semantic vectors are learned from data to express semantic relationships between elements of information, for the purpose of solving and informing downstream tasks. Other models exist that learn to map and classify supervised data. However,…

人工智能 · 计算机科学 2018-07-24 Peter Sutor , Douglas Summers-Stay , Yiannis Aloimonos

The link prediction task on knowledge graphs without explicit negative triples in the training data motivates the usage of rank-based metrics. Here, we review existing rank-based metrics and propose desiderata for improved metrics to…

机器学习 · 计算机科学 2022-04-20 Charles Tapley Hoyt , Max Berrendorf , Mikhail Galkin , Volker Tresp , Benjamin M. Gyori

This paper presents a system developed for SemEval 2025 Task 8: Question Answering (QA) over tabular data. Our approach integrates several key components: text-to-SQL and text-to-code generation modules, a self-correction mechanism, and a…

计算与语言 · 计算机科学 2025-06-17 Nikolas Evkarpidi , Elena Tutubalina

Knowledge graphs play a vital role in numerous artificial intelligence tasks, yet they frequently face the issue of incompleteness. In this study, we explore utilizing Large Language Models (LLM) for knowledge graph completion. We consider…

计算与语言 · 计算机科学 2025-02-14 Liang Yao , Jiazhen Peng , Chengsheng Mao , Yuan Luo

We present a novel method for mapping unrestricted text to knowledge graph entities by framing the task as a sequence-to-sequence problem. Specifically, given the encoded state of an input text, our decoder directly predicts paths in the…

计算与语言 · 计算机科学 2019-04-08 Victor Prokhorov , Mohammad Taher Pilehvar , Nigel Collier

Reasoning is a fundamental capability for harnessing valuable insight, knowledge and patterns from knowledge graphs. Existing work has primarily been focusing on point-wise reasoning, including search, link predication, entity prediction,…

人工智能 · 计算机科学 2020-11-09 Lihui Liu , Boxin Du , Heng Ji , Hanghang Tong

Tagging has been recognized as a successful practice to boost relevance matching for information retrieval (IR), especially when items lack rich textual descriptions. A lot of research has been done for either multi-label text…

信息检索 · 计算机科学 2020-08-27 Kelong Mao , Xi Xiao , Jieming Zhu , Biao Lu , Ruiming Tang , Xiuqiang He

In this paper, we observe that semi-structured tabulated text is ubiquitous; understanding them requires not only comprehending the meaning of text fragments, but also implicit relationships between them. We argue that such data can prove…

计算与语言 · 计算机科学 2020-05-14 Vivek Gupta , Maitrey Mehta , Pegah Nokhiz , Vivek Srikumar

Recently, there has been an interest in factual verification and prediction over structured data like tables and graphs. To circumvent any false news incident, it is necessary to not only model and predict over structured data efficiently…

计算与语言 · 计算机科学 2021-04-13 Aditya Jindal , Ankur Gupta , Jaya Srivastava , Preeti Menghwani , Vijit Malik , Vishesh Kaushik , Ashutosh Modi

Metadata vocabularies are used in various domains of study. It provides an in-depth description of the resources. In this work, we develop Algorithm Metadata Vocabulary (AMV), a vocabulary for capturing and storing the metadata about the…

人工智能 · 计算机科学 2021-06-08 Biswanath Dutta , Jyotima Patel

Formula retrieval is an important topic in Mathematical Information Retrieval. We propose SSEmb, a novel embedding framework capable of capturing both structural and semantic features of mathematical formulas. Structurally, we employ Graph…

信息检索 · 计算机科学 2025-08-08 Ruyin Li , Xiaoyu Chen

After the phenomenal success of the PageRank algorithm, many researchers have extended the PageRank approach to ranking graphs with richer structures beside the simple linkage structure. In some scenarios we have to deal with…

数值分析 · 数学 2018-11-15 Gianna M. Del Corso , Francesco Romani

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

机器学习 · 计算机科学 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

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…

人工智能 · 计算机科学 2025-11-25 Xixi Wang , Miguel Costa , Jordanka Kovaceva , Shuai Wang , Francisco C. Pereira

The problem of co-authors selection in the area of scientific collaborations might be a daunting one. In this paper, we propose a new pipeline that effectively utilizes citation data in the link prediction task on the co-authorship network.…

数字图书馆 · 计算机科学 2021-12-01 Vladislav Tishin , Artyom Sosedka , Peter Ibragimov , Vadim Porvatov

Natural Language Processing technology has advanced vastly in the past decade. Text processing has been successfully applied to a wide variety of domains. In this paper, we propose a novel framework, Text Based Classification(TBC), that…

人工智能 · 计算机科学 2023-11-22 Keshav Ramani , Daniel Borrajo

Applications which use human speech as an input require a speech interface with high recognition accuracy. The words or phrases in the recognised text are annotated with a machine-understandable meaning and linked to knowledge graphs for…

人机交互 · 计算机科学 2017-05-26 Ashwini Jaya Kumar , Sören Auer , Christoph Schmidt , Joachim köhler