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Boros, Endre; Kantor, Paul B.; Neu, Dave J. – Proceedings of the ASIS Annual Meeting, 1999
In the "Ant World" project, items to be retrieved are "quests" represented by entire collections of judged documents. To save space and time, methods were developed for representing these complex entities in a short string of about 1,000 bytes, called a Digital Information Pheromone (DIP). Principles are presented for…
Descriptors: Document Delivery, Information Retrieval, Information Seeking, Information Technology
Lavigne, Nancy C. – Educational Assessment, 2005
This case study examines the validity of 1 measure of representation and employs multiple measures to examine whether they provide mutually informative or independent pieces of information. These measures include (a) concept maps, which measure how individuals represent their content knowledge of a domain as a whole; (b) problem sorts, which…
Descriptors: Statistics, Knowledge Representation, Measurement Techniques, Concept Mapping
Zimmer, Hubert D. – Journal of Educational Psychology, 2004
Participants acquired spatial knowledge of a fictitious island by studying either (a) a complete physical map, (b) a sequence of part maps each showing the outline of the island and a subset of the landmarks, or (c) a sequence of sentences each describing a part map. During test, they verified the direction between 2 landmarks. Spatial knowledge…
Descriptors: Maps, Sentences, Spatial Ability, Cognitive Processes
Structure and Deterioration of Semantic Memory: A Neuropsychological and Computational Investigation
Rogers, Timothy T.; Lambon Ralph, Matthew A.; Garrard, Peter; Bozeat, Sasha; McClelland, James L.; Hodges, John R.; Patterson, Karalyn – Psychological Review, 2004
Wernicke (1900, as cited in G. H. Eggert, 1977) suggested that semantic knowledge arises from the interaction of perceptual representations of objects and words. The authors present a parallel distributed processing implementation of this theory, in which semantic representations emerge from mechanisms that acquire the mappings between visual…
Descriptors: Memory, Semantics, Neuropsychology, Visual Perception
Vanderburg, Willem H. – Bulletin of Science, Technology and Society, 2006
This third part continues the exploration of how we can overcome the limitations of the present knowledge system. In preparation, two aspects of current engineering theory and practice are examined because they are paradigmatic: the concept that engineering is essentially problem-solving, which goes against our understanding of human skill…
Descriptors: Theory Practice Relationship, Skill Development, Engineering Technology, Hidden Curriculum
Long, Debra L.; Wilson, Jeannette; Hurley, Ryan; Prat, Chantel S. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2006
Readers construct at least 2 interrelated mental representations when they comprehend a text: a textbase and a situation model. Two experiments were conducted with recognition memory to examine how domain knowledge and text coherence influence readers' textbase and situation-model representations. In Experiment 1, participants made remember-know…
Descriptors: Psychological Evaluation, Text Structure, Recognition (Psychology), Cognitive Processes
Salomon, Gavriel – 1994
An empirically-based theory is proposed that relates media's most essential modes of presentation--their symbol systems--to modes of cognitive representation and to the acquisition of knowledge. This book draws upon scholarship in such areas as the study of symbol systems, cognition, cognitive development, psycholinguistics, and mass…
Descriptors: Cognitive Development, Cognitive Processes, Educational Theories, Epistemology
Cartier, Jennifer; Rudolph, John; Stewart, Jim – 2001
This paper explores the nature and structure of scientific models by taking the position that representations are not models themselves. Representations of models are essential tools for communicating and conversing about the scientific models underlying them. A scientific model is considered to be a set of ideas that describe a natural process. A…
Descriptors: Epistemology, Higher Education, Knowledge Representation, Models
Ajose, Sunday A. – 1999
This paper contains the comments of a discussant reviewing the paper, "The Role of Visual Representations in the Learning of Mathematics" (Abraham Arcavi). A research-based evaluation is made that focuses on the ideas of stochastics and the epistemological triangle. (Contains 28 references.) (DDR)
Descriptors: Cognitive Structures, Elementary Secondary Education, Higher Education, Knowledge Representation
Stuckey, Bronwyn; Hensman, Jim; Hofmann, Tobias; Dewey, Barbara; Brown, Helen; Cameron, Sonja – 2002
Arguably the biggest "buzz word" of the current year has been "learning or knowledge object". To understand the learning object and why it should be such a highly desirable commodity, it is necessary to unpack not only this concept but more importantly revisit some contributing concepts and constructs (more buzz words) that support the building of…
Descriptors: Computer Assisted Instruction, Constructivism (Learning), Data Analysis, Epistemology

Brown, Stephen I. – For the Learning of Mathematics, 1997
Proposes that the adoption of the notion that students should be taught so that they think like mathematicians leads to a number of enticing questions but ignores some important educational issues. Argues that a new course must be charted for mathematics education. (DDR)
Descriptors: Curriculum Development, Educational Change, Elementary Secondary Education, Epistemology

Klein, Julie Thompson – Library Trends, 1996
Discusses the need for a common discourse about interdisciplinary needs in order to meet library users' needs. Considers why and how interdisciplinary activities emerge, what form they take, and where they are located in institutions. Also discusses knowledge representation. (Contains 78 references.) (Author/LRW)
Descriptors: Integrated Activities, Interdisciplinary Approach, Knowledge Representation, Learning Activities

Wilkes, Lesley M.; Batts, Judith E. – Research in Science Education, 1996
Report of a cross-sectional study designed to establish conceptions of physical science held by registered nurses (n=162) in their clinical practice. Findings indicate that the conceptions held by the nurses were not adequate to allow them to fulfill their roles. Contains 27 references. (DDR)
Descriptors: Competence, Cross Sectional Studies, Educational Research, Fundamental Concepts

Brown, David S. – Science Teacher, 2002
Recommends the use of concept mapping in science teaching and proposes that it be presented as a creative activity. Includes a sample lesson plan of a potato stamp concept mapping activity for astronomy. (DDR)
Descriptors: Astronomy, Concept Formation, Concept Mapping, Educational Strategies

Ding, Ying; Foo, Schubert – Journal of Information Science, 2002
Discusses the role of ontology in knowledge representation, including enabling content-based access, interoperability, communications, and new levels of service on the Semantic Web; reviews current ontology generation studies and projects as well as problems facing such research; and discusses ontology mapping, information extraction, natural…
Descriptors: Access to Information, Knowledge Representation, Natural Language Processing, Research Needs