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With the explosive growth of artificial intelligence (AI) and big data, it has become vitally important to organize and represent the enormous volume of knowledge appropriately. As graph data, knowledge graphs accumulate and convey…

人工智能 · 计算机科学 2023-03-27 Ciyuan Peng , Feng Xia , Mehdi Naseriparsa , Francesco Osborne

Personalized recommendations are popular in these days of Internet driven activities, specifically shopping. Recommendation methods can be grouped into three major categories, content based filtering, collaborative filtering and machine…

信息检索 · 计算机科学 2021-01-11 Yuhao Mao , Serguei A. Mokhov , Sudhir P. Mudur

This poster paper describes the ongoing research project for the creation of a use-case-driven Knowledge Graph resource tailored to the needs of teaching education in Knowledge Graphs (KGs). We gather resources related to KG courses from…

信息检索 · 计算机科学 2024-11-05 Eleni Ilkou , Ernesto Jiménez-Ruiz

Crowdsourcing is an online outsourcing mode which can solve the current machine learning algorithm's urge need for massive labeled data. Requester posts tasks on crowdsourcing platforms, which employ online workers over the Internet to…

人机交互 · 计算机科学 2022-04-28 Guangyang Han , Sufang Li , Runmin Wang , Chunming Wu

Knowledge-based recommendation models effectively alleviate the data sparsity issue leveraging the side information in the knowledge graph, and have achieved considerable performance. Nevertheless, the knowledge graphs used in previous…

信息检索 · 计算机科学 2024-03-28 Shenghao Yang , Weizhi Ma , Peijie Sun , Min Zhang , Qingyao Ai , Yiqun Liu , Mingchen Cai

This study addresses the challenges of tracking and analyzing students' learning trajectories, particularly the issue of inadequate knowledge coverage in course assessments. Traditional assessment tools often fail to fully cover course…

计算机与社会 · 计算机科学 2025-04-17 Yu-Hxiang Chen , Ju-Shen Huang , Jia-Yu Hung , Chia-Kai Chang

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

In this paper, we present the ``joint pre-training and local re-training'' framework for learning and applying multi-source knowledge graph (KG) embeddings. We are motivated by the fact that different KGs contain complementary information…

计算与语言 · 计算机科学 2023-06-06 Zequn Sun , Jiacheng Huang , Jinghao Lin , Xiaozhou Xu , Qijin Chen , Wei Hu

As the Internet grows in importance, it is vital to develop methods and techniques for educating end-users to improve their awareness of online privacy. Web-based education tools have been proven effective in many domains and have been…

计算机与社会 · 计算机科学 2016-03-10 Wendy Wang , Yu Tao , Kai Wang , Dominik Jedruszczak , Ben Knutson

The increasing practice of engaging crowds, where organizations use IT to connect with dispersed individuals for explicit resource creation purposes, has precipitated the need to measure the precise processes and benefits of these…

计算机与社会 · 计算机科学 2017-02-15 J. Prpic , P. , Shukla

We introduce a framework for AI-based medical consultation system with knowledge graph embedding and reinforcement learning components and its implement. Our implement of this framework leverages knowledge organized as a graph to have…

机器学习 · 计算机科学 2021-08-31 Yining Huang , Meilian Chen , Keke Tang

Crowdsourcing systems often have crowd workers that perform unreliable work on the task they are assigned. In this paper, we propose the use of error-control codes and decoding algorithms to design crowdsourcing systems for reliable…

信息论 · 计算机科学 2015-06-17 Aditya Vempaty , Lav R. Varshney , Pramod K. Varshney

With the popularity of massive open online courses, grading through crowdsourcing has become a prevalent approach towards large scale classes. However, for getting grades for complex tasks, which require specific skills and efforts for…

人工智能 · 计算机科学 2017-03-31 Lingyu Lyu , Mehmed Kantardzic

In recent years, countless research papers have addressed the topics of knowledge graph creation, extension, or completion in order to create knowledge graphs that are larger, more correct, or more diverse. This research is typically…

人工智能 · 计算机科学 2023-08-22 Nicolas Heist , Sven Hertling , Heiko Paulheim

Knowledge graph is a popular format for representing knowledge, with many applications to semantic search engines, question-answering systems, and recommender systems. Real-world knowledge graphs are usually incomplete, so knowledge graph…

机器学习 · 计算机科学 2023-04-26 Hung Nghiep Tran , Atsuhiro Takasu

Enterprise knowledge graphs combine business data and organizational knowledge by means of a semantic network of concepts, properties, individuals and relationships. The graph-based integration of previously unconnected information with…

信息检索 · 计算机科学 2024-09-23 Sascha Meckler

Samples with ground truth labels may not always be available in numerous domains. While learning from crowdsourcing labels has been explored, existing models can still fail in the presence of sparse, unreliable, or diverging annotations.…

机器学习 · 计算机科学 2021-12-07 Mani Sotoodeh , Li Xiong , Joyce C. Ho

Crowdsourcing is a process of accumulating the ideas, thoughts or information from many independent participants, with aim to find the best solution for a given challenge. Modern information technologies allow for massive number of subjects…

物理与社会 · 物理学 2016-04-04 Andrea Guazzini , Daniele Vilone , Camillo Donati , Annalisa Nardi , Zoran Levnajic

Despite improved digital access to scholarly knowledge in recent decades, scholarly communication remains exclusively document-based. In this form, scholarly knowledge is hard to process automatically. In this paper, we present the first…

Predicting student performance is a fundamental task in Intelligent Tutoring Systems (ITSs), by which we can learn about students' knowledge level and provide personalized teaching strategies for them. Researchers have made plenty of…

人工智能 · 计算机科学 2021-06-02 Mengfan Liu , Pengyang Shao , Kun Zhang