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Papers by Goran Trajkovski
Applying Data Science and Learning Analytics Throughout a Learner’s Lifespan
With the changes in societies and economies, new formats and packaging of educational products ha... more With the changes in societies and economies, new formats and packaging of educational products have been emerging as alternatives to the traditional degrees and certificates. Most of these offerings emerge outside higher education institutions and aim to alleviate the gap between the supply of skills and the needs of industries which had a big impact on the educational space. The authors studied approximately four hundred thousand tweets discussing educational offerings. They used a combination of topic modeling and network analysis to group topics into wider themes over the topic network. They also used word embeddings to measure semantic similarity of words related to specific educational packagings and further understand the discussion carried out on Twitter. The results of this study show how public opinion on Twitter discussed formal and non-formal educational offerings in ways that stress economic and professional advancement. Finally, the results from the word embeddings anal...
International Conference on Electronic Commerce, Aug 13, 2006
An Imitation-Based Approach to Modeling Homogenous Agents Societies
Information fusion is a field that deals with merging multiple inputs to create a single output. ... more Information fusion is a field that deals with merging multiple inputs to create a single output. Several fusion mechanisms are in place, but none can be easily adapted to accommodate for online learning using a simulator. This paper analyzes the concept of fuzzy mediation as a novel approach to the creation of a framework through simulations of controllers interacting with a controllable object. We propose this new algorithm as a mean to improved methods of learning through positive reinforcement, observation, and direct interaction with the object to be controlled.
An Imitation-Based Approach to Modeling Homogenous Agents Societies
An Imitation-Based Approach to Modeling Homogenous Agents Societies
An Imitation-Based Approach to Modeling Homogenous Agents Societies
An Imitation-Based Approach to Modeling Homogenous Agents Societies
... motor actions or look at somebody else doing the same action. This finding of Rizzolatti may ... more ... motor actions or look at somebody else doing the same action. This finding of Rizzolatti may give insights in our empathizing abilities as well as our other mind reading abilities. It states that in the addition of the first person ...
Impact cratering is the dominant process for transporting material on the Moon's surface. An impa... more Impact cratering is the dominant process for transporting material on the Moon's surface. An impact transports both proximal material (continuous ejecta) locally and distal ejecta (crater rays) to much larger distances. Quantifying the relative importance of locally derived material versus distal material requires understandings of lunar regolith evolution and the mixing of materials across the lunar surface. The Moon has distinctive albedo units of darker mare basalt and brighter highland materials, and the contacts between these units are ideal settings to examine this question. Information on the amount of material transported across these contacts comes from both the sample collection and remote sensing data, though earlier interpretations of these observations are contradictory. The relatively narrow (~4-5 km wide) mixing zone at mare/highland contacts had been interpreted as consistent with most material having been locally derived from underneath mare plains. However, even far from these contacts where the mare is thick, highland material is abundant in some soil samples (>20%), requiring transport of highland material over great distances. Any model of impact transport on the Moon needs to be consistent with both the observed width of mare/highland contacts and the commonality of nonmare material in mare soil samples far from any contact. In this study, using a three-dimensional regolith transport model, we match these constraints and demonstrate that both local and distal material transports are important at the lunar surface. Furthermore, the nature of the distal material transport mechanism in discrete crater rays can result in substantial heterogeneity of surface materials.
The Association for the Advancement of Artificial Intelligence presented the 2007 Fall Symposium ... more The Association for the Advancement of Artificial Intelligence presented the 2007 Fall Symposium Series on Friday through Sunday, November 9–11, at the Westin Arlington Gateway, Arlington, Virginia. The titles of the seven symposia were (1) AI and Consciousness: Theoretical Foundations and Current Approaches, (2) Artificial Intelligence for Prognostics, (3) Cognitive Approaches to Natural Language Processing, (4) Computational Approaches to Representation Change during Learning and Development, (5) Emergent Agents and Socialities: Social and Organizational Aspects of Intelligence, (6) Intelligent Narrative Technologies, and (7) Regarding the “Intelligence” in Distributed Intelligent Systems.
New Ideas in Psychology, 2006
In this paper we take an interactivist perspective on the computer-mediated classroom, and explor... more In this paper we take an interactivist perspective on the computer-mediated classroom, and explore the autopoietic teaching approach in the context of emergence of diversity in the classroom. The POPSICLE (Patterns in Orientation: Pattern-Aided Simulated Interaction Context-Learning Experiment) is presented and discussed, as well as its multiple consequences. POPSICLE is a study of learning in human subjects, as well as
Fuzzy Sets and Systems - FSS, 2001
The paper introduces lattice-valued fuzzy lattices. Two types of L-fuzzy lattices are defined, an... more The paper introduces lattice-valued fuzzy lattices. Two types of L-fuzzy lattices are defined, and their connection is observed. The first type of fuzzy lattices is obtained via fuzzification of the membership to the carrier, and the second via fuzzification of the ordering relation in a crisp lattice. It is proved that the two approaches are equivalent, similarly as in the crisp lattice theory.
New Ideas in Psychology, 2006
This paper overviews the interactivist model of representation and its applications in artificial... more This paper overviews the interactivist model of representation and its applications in artificial intelligence (AI) and intelligent robotics. Selected examples from approaches in AI and robotics are contrasted with the generic interactivist architecture in order to illustrate specific features of it. Petitagé, an artificial agent that instantiates our interactivist-expectative theory of agency and learning (IETAL), is discussed in detail from
In this paper we overviews the ongoing project that we called POPSICLE (Patterns in Orientation: ... more In this paper we overviews the ongoing project that we called POPSICLE (Patterns in Orientation: Pattern-Aided Simulated Interaction Context Learning Experiment). We overview the experimental setup, and give some preliminary results.
The Journal of Competency-Based Education
Competency-based education (CBE) assessment is undergoing a revolution in the teaching and learni... more Competency-based education (CBE) assessment is undergoing a revolution in the teaching and learning councils of many countries, whose goal is to strengthen competency-based assessments (CBA) by increasing the use of high-quality performance assessments (PAs) rather than the standard multiple choice (MC) counterpart (Gallardo, 2020). According to Gallardo (2020), advantages of PAs for CBE include giving more meaning to complex targets, assessing students' ability to make decisions and solve problems, integrating knowledge, skills, and attitudes into assessment and feedback, giving the learning process an important role rather than only focusing on solutions and products, and being consistent with philosophical and pedagogical CBE basics. PAs offer a variety of attractive features consistent with these advantages such as authenticity and the ability to tap into higher order thinking skills (e.g.
An Imitation-Based Approach to Modeling Homogenous Agents Societies, 2006
An Imitation-Based Approach to Modeling Homogenous Agents Societies, 2007
An Imitation-Based Approach to Modeling Homogenous Agents Societies, 2006
Applying Data Science and Learning Analytics Throughout a Learner’s Lifespan
With the changes in societies and economies, new formats and packaging of educational products ha... more With the changes in societies and economies, new formats and packaging of educational products have been emerging as alternatives to the traditional degrees and certificates. Most of these offerings emerge outside higher education institutions and aim to alleviate the gap between the supply of skills and the needs of industries which had a big impact on the educational space. The authors studied approximately four hundred thousand tweets discussing educational offerings. They used a combination of topic modeling and network analysis to group topics into wider themes over the topic network. They also used word embeddings to measure semantic similarity of words related to specific educational packagings and further understand the discussion carried out on Twitter. The results of this study show how public opinion on Twitter discussed formal and non-formal educational offerings in ways that stress economic and professional advancement. Finally, the results from the word embeddings anal...
International Conference on Electronic Commerce, Aug 13, 2006
An Imitation-Based Approach to Modeling Homogenous Agents Societies
Information fusion is a field that deals with merging multiple inputs to create a single output. ... more Information fusion is a field that deals with merging multiple inputs to create a single output. Several fusion mechanisms are in place, but none can be easily adapted to accommodate for online learning using a simulator. This paper analyzes the concept of fuzzy mediation as a novel approach to the creation of a framework through simulations of controllers interacting with a controllable object. We propose this new algorithm as a mean to improved methods of learning through positive reinforcement, observation, and direct interaction with the object to be controlled.
An Imitation-Based Approach to Modeling Homogenous Agents Societies
An Imitation-Based Approach to Modeling Homogenous Agents Societies
An Imitation-Based Approach to Modeling Homogenous Agents Societies
An Imitation-Based Approach to Modeling Homogenous Agents Societies
... motor actions or look at somebody else doing the same action. This finding of Rizzolatti may ... more ... motor actions or look at somebody else doing the same action. This finding of Rizzolatti may give insights in our empathizing abilities as well as our other mind reading abilities. It states that in the addition of the first person ...
Impact cratering is the dominant process for transporting material on the Moon's surface. An impa... more Impact cratering is the dominant process for transporting material on the Moon's surface. An impact transports both proximal material (continuous ejecta) locally and distal ejecta (crater rays) to much larger distances. Quantifying the relative importance of locally derived material versus distal material requires understandings of lunar regolith evolution and the mixing of materials across the lunar surface. The Moon has distinctive albedo units of darker mare basalt and brighter highland materials, and the contacts between these units are ideal settings to examine this question. Information on the amount of material transported across these contacts comes from both the sample collection and remote sensing data, though earlier interpretations of these observations are contradictory. The relatively narrow (~4-5 km wide) mixing zone at mare/highland contacts had been interpreted as consistent with most material having been locally derived from underneath mare plains. However, even far from these contacts where the mare is thick, highland material is abundant in some soil samples (>20%), requiring transport of highland material over great distances. Any model of impact transport on the Moon needs to be consistent with both the observed width of mare/highland contacts and the commonality of nonmare material in mare soil samples far from any contact. In this study, using a three-dimensional regolith transport model, we match these constraints and demonstrate that both local and distal material transports are important at the lunar surface. Furthermore, the nature of the distal material transport mechanism in discrete crater rays can result in substantial heterogeneity of surface materials.
The Association for the Advancement of Artificial Intelligence presented the 2007 Fall Symposium ... more The Association for the Advancement of Artificial Intelligence presented the 2007 Fall Symposium Series on Friday through Sunday, November 9–11, at the Westin Arlington Gateway, Arlington, Virginia. The titles of the seven symposia were (1) AI and Consciousness: Theoretical Foundations and Current Approaches, (2) Artificial Intelligence for Prognostics, (3) Cognitive Approaches to Natural Language Processing, (4) Computational Approaches to Representation Change during Learning and Development, (5) Emergent Agents and Socialities: Social and Organizational Aspects of Intelligence, (6) Intelligent Narrative Technologies, and (7) Regarding the “Intelligence” in Distributed Intelligent Systems.
New Ideas in Psychology, 2006
In this paper we take an interactivist perspective on the computer-mediated classroom, and explor... more In this paper we take an interactivist perspective on the computer-mediated classroom, and explore the autopoietic teaching approach in the context of emergence of diversity in the classroom. The POPSICLE (Patterns in Orientation: Pattern-Aided Simulated Interaction Context-Learning Experiment) is presented and discussed, as well as its multiple consequences. POPSICLE is a study of learning in human subjects, as well as
Fuzzy Sets and Systems - FSS, 2001
The paper introduces lattice-valued fuzzy lattices. Two types of L-fuzzy lattices are defined, an... more The paper introduces lattice-valued fuzzy lattices. Two types of L-fuzzy lattices are defined, and their connection is observed. The first type of fuzzy lattices is obtained via fuzzification of the membership to the carrier, and the second via fuzzification of the ordering relation in a crisp lattice. It is proved that the two approaches are equivalent, similarly as in the crisp lattice theory.
New Ideas in Psychology, 2006
This paper overviews the interactivist model of representation and its applications in artificial... more This paper overviews the interactivist model of representation and its applications in artificial intelligence (AI) and intelligent robotics. Selected examples from approaches in AI and robotics are contrasted with the generic interactivist architecture in order to illustrate specific features of it. Petitagé, an artificial agent that instantiates our interactivist-expectative theory of agency and learning (IETAL), is discussed in detail from
In this paper we overviews the ongoing project that we called POPSICLE (Patterns in Orientation: ... more In this paper we overviews the ongoing project that we called POPSICLE (Patterns in Orientation: Pattern-Aided Simulated Interaction Context Learning Experiment). We overview the experimental setup, and give some preliminary results.
The Journal of Competency-Based Education
Competency-based education (CBE) assessment is undergoing a revolution in the teaching and learni... more Competency-based education (CBE) assessment is undergoing a revolution in the teaching and learning councils of many countries, whose goal is to strengthen competency-based assessments (CBA) by increasing the use of high-quality performance assessments (PAs) rather than the standard multiple choice (MC) counterpart (Gallardo, 2020). According to Gallardo (2020), advantages of PAs for CBE include giving more meaning to complex targets, assessing students' ability to make decisions and solve problems, integrating knowledge, skills, and attitudes into assessment and feedback, giving the learning process an important role rather than only focusing on solutions and products, and being consistent with philosophical and pedagogical CBE basics. PAs offer a variety of attractive features consistent with these advantages such as authenticity and the ability to tap into higher order thinking skills (e.g.
An Imitation-Based Approach to Modeling Homogenous Agents Societies, 2006
An Imitation-Based Approach to Modeling Homogenous Agents Societies, 2007
An Imitation-Based Approach to Modeling Homogenous Agents Societies, 2006