Model tracing tutors represent a technology designed to mimic key elements of one-on-one human tutoring. We examine the situations in which such supportive computer technologies may devolve into mindless student work with little conceptual understanding or student development. To analyze the support of student intellectual work in the model tracing tutor case, we adapt a cognitive demand framew...

Evidential grids have been recently used for mobile object perception. The novelty of this article is to propose a perception scheme using prior map knowledge. A geographic map is considered an additional source of information fused with a grid representing sensor data. Yager’s rule is adapted to exploit the DempsterShafer conflict information at large. In order to distinguish stationary and mo...

This paper introduces case frames as a way to provide a more meaningful structure to vocabulary mappings used to bridge the gap between laymen and legal descriptions of court proceedings. Case frames both reduce the ambiguity of queries, and improve the ability of users to formulate good quality queries. We extend the BestMap ontology with a formalisation of case frame based mappings in OWL 2, ...

Traditional sentiment feature extraction methods in documentlevel sentiment classification either count the frequencies of sentiment words as features, or the frequencies of modified and unmodified instances of each of these words. However, these methods do not represent the sentiment words’ linguistic context efficiently. We propose a novel method and feature set to handle the contextual polar...

My colleague Richard F. West and I began studies of context effects on the word recognition of children when we were both graduate students at the University of Michigan in the mid-i9705.At the time we were heavily influenced by the popular top-tiown models of the reading process.’ We fully expected to make an experimental mark by providing more rigorous confirmationsof the individual-differenc...

This paper presents a case study in the form of a contextual design project, the aim of which was to design a system for a particular organization. The starting point in the case was a need in the organization for a specific system. The case involved an analysis of the organizations customer relations. Involving customer relations in the design project had a powerful effect: it was revealed tha...

Most of the prior descriptions of the important relationships in Intelligent Tutoring System (ITS) projects have focused on students, teachers, tutoring systems, and tutoring system researchers. While these models may accurately describe how tutors have their educational effects, they bypass the question of how tutors become deployed into classrooms. Similarly, there has been discussion of how ...

Background Across Western Europe, procedures and formalised criteria for taking decisions on the coverage (inclusion in the benefits basket or equivalent) of healthcare technologies vary substantially. In the decision documents, which display the justification of, the rationale for, these decisions, national healthcare institutes ma...