2,980 Hits in 6.0 sec

A Class Validation Proposal of a Pedagogic Domain Ontology based on Clustering Analysis

Yuridiana Alemán, María J. Somodevilla, Darnes Vilariño
2018 Computer and Information Science  
In this paper the focus includes the classes creation, by introducing a class validation proposal using clustering analysis.  ...  The knowledge bases of the Web are fundamentally organized in ontologies in order to answer queries based on semantics.  ...  Process applying Ontological Engineering.  ... 
doi:10.5539/cis.v11n1p65 fatcat:hc3fjdmhnbh7nfsx2qbvfusvbe

A general architecture for intelligent tutoring of diagnostic classification problem solving

Rebecca S Crowley, Olga Medvedeva
2003 AMIA Annual Symposium Proceedings  
Based on the domain ontology, domain task ontology and case data, the abstract problem-solving methods of the expert model create a dynamic solution graph.  ...  We report on a general architecture for creating knowledge-based medical training systems to teach diagnostic classification problem solving.  ...  of Pittsburgh.  ... 
pmid:14728159 pmcid:PMC1479898 fatcat:xvaxxtpfubf45eej4urskhfjzm

A Combined Approach for Eliciting Relationships for Educational Ontologies Using General-Purpose Knowledge Bases

Angel Conde, Mikel Larranaga, Ana Arruarte, Jon A. Elorriaga
2019 IEEE Access  
LiReWi is designed following a modular approach that enables the inclusion of new relationship extractors. The evaluation conducted to validate the proposal is also reported in this paper.  ...  This paper presents LiReWi, a system for the elicitation of relationships for educational ontologies from electronic textbooks.  ...  The ontological approach is one of the formalisms proposed in the literature for the representation of the Domain Module [2] .  ... 
doi:10.1109/access.2019.2910079 fatcat:4ix3y3pm7netflrraeh2m77dd4

Using Textual Pre-Processing and Text Mining to Create Semantic Links

Ricardo Avila, Gabriel Lopes, Vania Vidal, Jose Macedo
2019 Zenodo  
This article offers a approach to the automatic discovery of semantic concepts and links in the domain of Oil Exploration and Production (E&P).  ...  Even using more specific vocabularies within the oil domain, our approach has achieved satisfactory results, suggesting that the proposal can be applied in other domains and languages, requiring only minor  ...  PROPOSED METHODOLOGY The process of creating semantic links begins with the modelling of a Domain Ontology (DO).  ... 
doi:10.5281/zenodo.3300354 fatcat:bzf2nyfy65cx3jxk4xivycdcuq

A Hybrid Adaptive Educational eLearning Project based on Ontologies Matching and Recommendation System [article]

Vasiliki Demertzi, Konstantinos Demertzis
2020 arXiv   pre-print
It is a novel hybrid machine learning system that combines a Semi-Supervised Classification method for ontology matching and a Recommendation Mechanism that uses a hybrid method from neighborhood-based  ...  In contrast, more effectively considered the pedagogical strategies that adapt to the real individual skills of the students.  ...  Essentially, the CL_A_U method consigns classes to the clusters, based on the popular value of the class quality within each cluster.  ... 
arXiv:2007.14771v3 fatcat:m7sa4xnifvgr7k3n42n55mfjja

Semantic Support for Educational IT Services

Ján Paralič, Karol Furdík, Marek Paralič, Peter Bednár, Peter Butka, Jozef Wagner
2012 Acta Electrotechnica et Informatica  
The methodology for collaborative ontology development, applied on the analyzed domain of eleven courses, is proposed as a generic approach that can be potentially reused and adapted to create semantic  ...  Technology enhanced learning is one of the intensively researched domains, because it promises interesting contribution to modern educational processes at various levels, in particular in higher education  ...  "class" or "instance" type). 5. Grouping and relating terms. Keywords in the vocabulary are clustered into groups, based on the meaning similarity.  ... 
doi:10.2478/v10198-012-0043-1 fatcat:4q7ryxjgo5flhjiwh4emktywrq

Pedagogical knowledge in English language teaching: A lifelong-learning, complex-system perspective

Babak Dadvand, Foad Behzadpoor
2020 London Review of Education  
The proposed framework highlights the multidimensionality and complexity of pedagogical knowledge, and the mutually constitutive relationships among different knowledge domains.  ...  (N=10), as well as a survey of 336 practising teachers in Iran to: (1) develop a framework for pedagogical knowledge; and (2) validate this framework by designing a self-assessment questionnaire for pedagogical  ...  One-way analysis of variance (ANOVA) confirmed the reliability of data clustering showing significant mean difference among the clusters (p<0.05).  ... 
doi:10.18546/lre.18.1.08 fatcat:ara5s6t6z5a3rez75wqjwguy2y

An intelligent tutoring system for visual classification problem solving

Rebecca S. Crowley, Olga Medvedeva
2006 Artificial Intelligence in Medicine  
A preliminary description of this architecture was reported in Proceedings of the AMIA Fall Symposium, 2003.  ...  of Pittsburgh.  ...  The addition of instances to the ontologically defined classes and relationships creates a knowledge base that can be used to abstract declarative knowledge within a domain.  ... 
doi:10.1016/j.artmed.2005.01.005 pmid:16098717 fatcat:juhwantrsnh6vd2wa2burr5vpu

Monitoring Academic Performance Based on Learning Analytics and Ontology: A Systematic Review

Laecio Araujo COSTA, Leandro Manuel PEREIRA SANCHES, Ricardo José ROCHA AMORIM, Laís do NASCIMENTO SALVADOR, Marlo Vieira dos SANTOS SOUZA
2020 Informatics in Education. An International Journal  
Thus, we identify future directions of research such as the proposal of a new model of evaluation of academic performance.  ...  This paper presents a systematic literature review of the coordinated use of Learning Analytics and Computational Ontologies to support educators in the process of academic performance evaluation of students  ...  Acknowledgments This work was supported by the Institutional Qualification Program (PIQ) of the Federal Institute of Sertão Pernambucano (IFSertão-PE, Campus Petrolina). L.A.  ... 
doi:10.15388/infedu.2020.17 doaj:700e6c4fb13c46d087f32a0015b15198 fatcat:4kseaupfo5ch5obk6neke3feai

A Survey on the Explainability of Supervised Machine Learning [article]

Nadia Burkart, Marco F. Huber
2020 arXiv   pre-print
We conduct a state-of-the-art survey that reviews past and recent explainable SML approaches and classifies them according to the introduced definitions.  ...  ., artificial neural networks have a high accuracy but humans often perceive the models as black boxes. Insights about the decision making are mostly opaque for humans.  ...  The explanation is valid only on a local level.  ... 
arXiv:2011.07876v1 fatcat:ccquewit2jam3livk77l5ojnqq

Social Network Analysis on Educational Data Set in RDF Format

Bogdan Dragulescu, Marian Bucos, Radu Vasiu
2015 Journal of Computing and Information Technology  
In this paper, we propose a method of running social network analysis on multiple data sources (academic years, communication tools).  ...  The added value of this research lies in the potential of this method to simplify running social network analysis on multiple data sets, on a specific course or the entire academic year, by simply modifying  ...  Acknowledgments This work was partially supported by the strategic grant POSDRU/159/1.5/S/137070 (2014) of the Ministry of National Education, Romania, co-financed by the European Social Fund -Investing  ... 
doi:10.2498/cit.1002645 fatcat:gmumjqkynvglla7ia2snbyfmu4

A Survey on the Explainability of Supervised Machine Learning

Nadia Burkart, Marco F. Huber
2021 The Journal of Artificial Intelligence Research  
We conduct a state-of-the-art survey that reviews past and recent explainable SML approaches and classifies them according to the introduced definitions.  ...  ., artificial neural networks have a high accuracy but humans often perceive the models as black boxes. Insights about the decision making are mostly opaque for humans.  ...  Acknowledgments This work is partially supported by the Ministry of Economic Affairs of the state Baden-Württemberg within the KI-Fortschrittszentrum "Lernende Systeme", Grant No. 036-170017.  ... 
doi:10.1613/jair.1.12228 fatcat:nd3hfatjknhexb5eabklk657ey

Students' competencies discovery and assessment using learning analytics and semantic web

Khaled Halimi, Hassina Seridi-Bouchelaghem
2021 Australasian Journal of Educational Technology  
Educational policymakers can have a pedagogical and technical vision to move from the culture of content-based evaluations to a competency-based assessment.  ...  Based on these developments, there is a need to adopt new assessment methods to assess the actual skills of students in the digital age.  ...  It was created based on the definition of the competency classes we presented in the ontology. To realise this grid, we worked on three main phases.  ... 
doi:10.14742/ajet.7116 fatcat:fgk5i6elfbcd3cs5xtttgysxba

A Knowledge-Skill-Competencies e-Learning Model in Mathematics

Giovannina Albano
2012 Revista de Universidad y Sociedad del Conocimiento  
It is based on knowledge and skills representations by means of a graph metaphor, and on a theoretical framework for modelling competence.  ...  We present a model that exploits the innovative technological features of the IWT platform to defi ne a personalised learning experience allowing students to increase their competence in mathematics.  ...  , based on a multi-level graph representation of the domain; section 5 describes a model for competencies, framed in Dubinsky research on undergraduate mathematics education (RUME); section 6 shows how  ... 
doi:10.7238/rusc.v9i1.1284 fatcat:5gwgr7uvojdfjnrpk754e2adiu


Jan Paralič, Marek Paralič
2007 Journal of Information and Organizational Sciences  
This is in particular important in the context of a new integrated EU-funded project KP-Lab2 (Knowledge Practices Laboratory) that is briefly presented as well as the role of the proposed text mining services  ...  possible use in a distributed environment.  ...  Webocrat system based on JBowl functionality does it semi-automatically, i.e. based on the text analysis of a new document, the system proposes to the user a ranked list of concepts that might be appropriate  ... 
doaj:73c5fa8896a3440fb1bacb75b565bda1 fatcat:irw77enedvcrxg454hus6mklvu
« Previous Showing results 1 — 15 out of 2,980 results