Automated SKOS Vocabulary Design for the Biopharmaceutical Industry

Ensuring quick and consistent access to large collections of unstructured documents is one of the biggest challenges facing knowledge-intensive organizations. Designing specific vocabularies to index and retrieve documents is often deemed too expensive, full-text search being preferred despite its known limitations. However, the process of creating controlled vocabularies can be partly automated thanks to natural language processing and machine learning techniques. With a case study from the biopharmaceutical industry, we demonstrate how small organizations can use an automated workflow in order to create a controlled vocabulary to index unstructured documents in a semantically meaningful way.     

Genetic and environmental bases of reading and spelling: A unified genetic dual route model

We develop and test a dual-route model of genetic effects on reading aloud and spelling, based on irregular and non-word reading and spelling performance assessed in 1382 monozygotic and dizygotic twins. As in earlier research, most of the variance in reading was due to genetic effects. However, there were three more specific conclusions: the first was that most of the genetic effect is common to both regular and irregular reading. In addition to this common variance evidence was found for distinct genes influencing the acquisition of a lexicon of stored words, and additional genetic effects influencing the acquisition of grapheme–phoneme correspondence rules. The third conclusion, from a combined model of reading and spelling, is that reading and spelling have a common genetic basis. Models that did not distinguish lexical and non-lexical performance fit significantly worse than dual route genetic models. An implication of the research is that models of reading, whether connectionist or dual-route, must allow for the genetic independence of neurological processes underlying the decoding of non-words and irregular words.     

‘Educating rita’: Is an academic science course for prospective infant and primary teachers appropriate

Conclusion Our decision to choose the Open University S101 Science: A Foundation Course represents a direct attempt on our part to provide a background in science for our prospective infant and primary teachers. Our objective that this course achieve parity with first year Faculty of Science courses may appear to be an unattainable goal, given the methodological problems that have to be faced for such a general purpose course. It would certainly not be feasible for a lecture staff of four persons were it not for the printed readers, texts, assignments, examinations, and audio-visual software purchased, with approval, from the Open University in the United Kingdom. Our pilot study in 1983 gave us some encouragement and, most interestingly, 10 out of the 17 students continued with Science study into Year 2 in 1984, thus committing them to the major study in science in Years 3 and 4. Given that three students failed, 10 out of 14 is a far higher retention rate than anything we have experienced previously. Clearly, the evaluation of our efforts to influence the teaching of science in Tasmanian primary schools must wait, but these evaluative studies should make a contribution to the research data on curriculum issues in Australia. This course could play an important in-service function for present primary teachers. We are hopeful that such a content-based approach to science teacher education may help to convince teachers to take the extensive range of available curriculum materials seriously.     

Factors influencing teacher appropriation of professional learning focused on the use of technology in science classrooms

Understanding factors that impact teacher implementation of learning from professional development is critical in order to maximize the educational and financial investment in teacher professional learning. This multi-case qualitative investigation elucidates factors that influence the appropriation of instructional tools associated with professional development focused on technology within science classrooms using activity theory as a theoretical framework. This framework has the capacity to account for multiple elements in professional learning. Implementation variability associated with professional development adoption drives this inquiry to search for better understandings of the appropriation of pedagogical practices. Purposeful sampling was used to identify four participants from a group of science teachers engaged in professional development designed to investigate how cyber-enabled technologies might enhance instruction and learning in eighth-grade science classrooms. The data from this investigation add to the literature of appropriation of instructional practices by connecting the conceptual and practical dispositions of teachers with an appropriation hierarchy.     

The economics and management of small post‐secondary distance education systems

After reviewing previous work on the economics of distance education, which has been based on the large scale operation of the U.K. Open University, the economics of smaller systems are analyzed. It is shown that models used in conventional education are unhelpful and a new cost model based on the functions of course development and services delivery is described. This model is then employed, using data from Athabasca University, to explore the importance of factors such as course life and institutional costs. It is then used to examine the economic impact of policy alternatives such as changes in ratio of student numbers to credits offered and in the mix of programming of the institution.

The second part of the paper argues the thesis that small distance education systems require tighter management than conventional institutions. It examines the four main activities of management: planning, organizing, leading and evaluating in order to highlight areas of administration requiring special attention.     

Cognitive modelling and the behaviour genetics of reading

While it is well known that reading is highly heritable, less has been understood about the bases of these genetic influences. In this paper, we review the research that we have been conducting in recent years to examine genetic and environmental influences on the particular reading processes specified in the dual‐route cognitive model of reading. We argue that a detailed understanding of the role of genetic factors in reading acquisition requires the delineation and measurement of precise phenotypes, derived from well‐articulated models of the reading process. We report evidence for independent genetic influences on the lexical and nonlexical reading processes represented in the dual‐route model, based on studies of children with particular subtypes of dyslexia, and on univariate and multivariate genetic modelling of reading performance in the normally reading population.     

关系性思维中的一些重要关联——对中国和澳大利亚6～7年级学生进行的调查研究

近年来,关系性思维(relational thinking)的研究成为数学教育领域的一个热点问题.这一领域研究的主要目的之一就是促进学生从算术学习向代数学习的顺利过渡.利用带有一个未知数字和两个未知数字的数式,来探索学生在数式中运用关系性思维的能力与处理含有字母的式子的能力之间的重要关联.重点讨论学生对含有两个未知数字的数式和含有字母式子的不同类型的回答,以及学生在含有两个未知数字数式上的表现是如何影响他们在含有字母的式子上的表现.