Search results for "TASK"
showing 10 items of 1658 documents
Intention recognition in manufacturing applications
2015
In this article, we present a novel approach to intention recognition, based on the recognition and representation of state information in a cooperative human-robot environment. States are represented by a combination of spatial relations along with cardinal direction information. The output of the Intention Recognition Algorithms will allow a robot to help a human perform a perceived operation or, minimally, not cause an unsafe situation to occur. We compare the results of the Intention Recognition Algorithms to those of an experiment involving human subjects attempting to recognize the same intentions in a manufacturing kitting domain. In almost every case, results show that the Intention…
Computer Mediated Communication and Collaboration in a Virtual Learning Environment Based on a Multi-agent System with Wasp-Like Behavior
2008
In this paper is presented a model for an adaptive multi-agent system for dynamic routing of the grants' activities from a learning environment, based on the adaptive wasp colonies behavior. The agents use wasp task allocation behavior, combined with a model of wasp dominance hierarchy formation. The model we introduced allows the assignment of activities in a grant, taking into account the specialization of students, their experience and the complexity of activities already taken. An adaptive method allows students to enter in the Grant system for the first time. The system is changing dynamic, because both the type of activities and the students involved in the system change. Our approach…
Give us today our daily bread: The effect of hunger on consumers’ visual attention towards bread and the role of time orientation
2021
Abstract This study investigated the effect of hunger on consumers’ visual attention during a food choice task, and the role of time orientation (i.e., present and future orientation) in this interplay. A lab-based eye-tracking experiment including 102 participants was conducted, with hunger as the manipulated factor (hungry, satiated). Participants in the satiated condition were served a breakfast buffet before the experimental tasks, whereas participants in the hungry condition were served the buffet after completion of the tasks. Both groups were exposed to a set of planograms depicting supermarket shelves and were asked to choose an option they could consider buying, while their eye mov…
‘If-then’ but when? Effects of implementation intentions on children’s and adolescents’ prospective memory
2021
Abstract Prospective memory (PM), the ability to initiate and implement delayed intentions, increases across childhood and adolescence. Previous evidence on older adults indicated beneficial effects of implementation intentions (an encoding strategy) on individuals’ PM performance; especially when cognitive control demands were high and availability of cognitive resources low. This research program set out to investigate the impact of implementation intentions on children’s and adolescents’ PM while simultaneously varying cognitive control demands of the PM paradigm. Across two studies, implementation intention encoding was contrasted with standard encoding. In addition, Study 1 manipulated…
Play together, think alike: Shared mental models in expert music improvisers
2015
International audience; When musicians improvise together, they tend to agree beforehand on a common structure (e.g. a jazz standard) which helps them coordinate. However, in the particular case of collective free improvisation (CFI), musicians deliberately avoid having such a referent. How, then, can they coordinate? We propose that CFI musicians who have experience playing together come to share higher-level knowledge, which is not piece-specific but rather task-specific: an implicit mental model of what it is to improvise freely. We tested this hypothesis on a group of 19 expert improvisers from the Parisian CFI community, who had various degrees of experience playing with one another. D…
University Students as Composers of a Digital Video
2013
This paper introduces a university course in which digital video composing was used as a study method. The aim of the course was to empower future teachers to use digital and multimodal literacy practices in their own teaching. Students in education, 13 in total, participated in the course on digital literacies. The course achievement was measured with the task in which students composed a video in small-groups. The students’ videos were supposed to convince a pedagogical target group about the usefulness of a teaching method or need for a reform. In the last meeting, student’s videos were watched and the contents of the videos were discussed. The experiences on composing a digital video we…
Multiple UAV cooperative path planning via neuro-dynamic programming
2004
In this paper, a team of n unmanned air-vehicles (UAVs) in cooperative path planning is given the task of reaching the assigned target while i) avoiding threat zones ii) synchronizing minimum time arrivals on the target, and iii) ensuring arrivals coming from different directions. We highlight three main contributions. First we develop a novel hybrid model and suit it to the problem at hand. Second, we design consensus protocols for the management of information. Third, we synthesize local predictive controllers through a distributed, scalable and suboptimal neuro-dynamic programming (NDP) algorithm.
Emotional after‐effects on the P3 component of the event‐related brain potential
2003
Agrowing body of literature indicates that affective states can influence cognitive processes. The core assumption of Ellis and Ashbrook's (1988) model explaining these emotional after-effects on cognition is that the emotional state regulates the allocation of processing resources. A negative emotional state is supposed to pre-empt capacity normally allocated to the cognitive task at hand. This is assumed to occur because the negative emotional state leads to an increase in intrusive, irrelevant thoughts, which compete with relevant cognitive activities and thus result in a lack of attention given to relevant features of the task to be performed. In the present study, the hypothesis that n…
Combining content extraction heuristics
2008
The main text content of an HTML document on the WWW is typically surrounded by additional contents, such as navigation menus, advertisements, link lists or design elements. Content Extraction (CE) is the task to identify and extract the main content. Ongoing research has spawned several CE heuristics of different quality. However, so far only the Crunch framework combines several heuristics to improve its overall CE performance. Since Crunch, though, many new algorithms have been formulated. The CombinE system is designed to test, evaluate and optimise combinations of CE heuristics. Its aim is to develop CE systems which yield better and more reliable extracts of the main content of a web …
SHREC 2020: Retrieval of digital surfaces with similar geometric reliefs
2020
Abstract This paper presents the methods that have participated in the SHREC’20 contest on retrieval of surface patches with similar geometric reliefs and the analysis of their performance over the benchmark created for this challenge. The goal of the context is to verify the possibility of retrieving 3D models only based on the reliefs that are present on their surface and to compare methods that are suitable for this task. This problem is related to many real world applications, such as the classification of cultural heritage goods or the analysis of different materials. To address this challenge, it is necessary to characterize the local ”geometric pattern” information, possibly forgetti…