Abstract:This paper describes an investigation into creating agents that can learn how to perform a task by observing an expert, then seamlessly turn around and teach the same task to a less proficient person. These agents are taught through observation of expert performance and thereafter refined through unsupervised practice of the task, all on a simulated environment. A less proficient human is subsequently taught by the now-trained agent through a third approach-coaching, executed through a haptic device. This appr… Show more
“…Although in early Computer Aided Instruction (CAI) systems students may have had some influence on navigation through the curriculum, they all received the same contents [3], [6], [7]. In the later CAI systems branching provided different responses to a student's answer, depending on what student's response was [6], [8].…”
Section: Related Workmentioning
confidence: 99%
“…In the later CAI systems branching provided different responses to a student's answer, depending on what student's response was [6], [8]. This kind of CAI systems possessed no domain knowledge, meaning that every feedback had to be provided by experts manually.…”
Section: Related Workmentioning
confidence: 99%
“…The most acclaimed ITS systems evolved through the history are cognitive tutors [11], [12] followed by approaches, based on constraint-based modelling [3], [13], [14] or the principle of constructing student models with machine learning techniques [6], [15].…”
Section: Related Workmentioning
confidence: 99%
“…Building ITS systems has always been expensive and time-consuming process, where many different experts with adequate programming knowledge have been involved [5], [6], [13], [23]. We would like to find a balance among the complexity of building such systems, invested time and their price.…”
Abstract-Efficient data manipulation and retrieval is a fundamental part of many business processes in the majority of todays' companies. SQL, as a standard, is widely adopted and well accepted in this area. Students who set out to learn SQL frequently face difficulties. The learning process is to some extent inefficient, as the student's knowledge is afterwards often inadequate. Several computer-aided systems have been developed to alleviate the problem. However, most of them are static and rigid, because the system's knowledge is encoded manually. We propose a new system based on past attempts and solutions to SQL exercises. The proposed system is flexible and dynamic, as it adapts to the individual student and requires minimal intervention from domain experts. We show that the system is beneficial, in particular to students with low prior knowledge.
“…Although in early Computer Aided Instruction (CAI) systems students may have had some influence on navigation through the curriculum, they all received the same contents [3], [6], [7]. In the later CAI systems branching provided different responses to a student's answer, depending on what student's response was [6], [8].…”
Section: Related Workmentioning
confidence: 99%
“…In the later CAI systems branching provided different responses to a student's answer, depending on what student's response was [6], [8]. This kind of CAI systems possessed no domain knowledge, meaning that every feedback had to be provided by experts manually.…”
Section: Related Workmentioning
confidence: 99%
“…The most acclaimed ITS systems evolved through the history are cognitive tutors [11], [12] followed by approaches, based on constraint-based modelling [3], [13], [14] or the principle of constructing student models with machine learning techniques [6], [15].…”
Section: Related Workmentioning
confidence: 99%
“…Building ITS systems has always been expensive and time-consuming process, where many different experts with adequate programming knowledge have been involved [5], [6], [13], [23]. We would like to find a balance among the complexity of building such systems, invested time and their price.…”
Abstract-Efficient data manipulation and retrieval is a fundamental part of many business processes in the majority of todays' companies. SQL, as a standard, is widely adopted and well accepted in this area. Students who set out to learn SQL frequently face difficulties. The learning process is to some extent inefficient, as the student's knowledge is afterwards often inadequate. Several computer-aided systems have been developed to alleviate the problem. However, most of them are static and rigid, because the system's knowledge is encoded manually. We propose a new system based on past attempts and solutions to SQL exercises. The proposed system is flexible and dynamic, as it adapts to the individual student and requires minimal intervention from domain experts. We show that the system is beneficial, in particular to students with low prior knowledge.
“…Humans can easily adapt to perturbations in working conditions but considerable research into designing robots that can learn human manipulations is still required. Technique have been actively conducted [5] [6] [7]. Recently, some studies have significantly reduced the number of trials by imitating human manipulative skills via remote control [8].…”
This study proposes an imitation learning method based on force and position information. Force information is required for precise object manipulation but is difficult to obtain because the acting and reaction forces cannot be separated. To separate the forces, we proposed to introduce bilateral control, in which the acting and reaction forces are divided using two robots. In the proposed method, two models of neural networks learn a task; to draw a line along a ruler. We verify the possibility that force information is essential to imitate the human skill of object manipulation.
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