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991.
Bing Bai Jason Weston David Grangier Ronan Collobert Kunihiko Sadamasa Yanjun Qi Olivier Chapelle Kilian Weinberger 《Information Retrieval》2010,13(3):291-314
In this article we present Supervised Semantic Indexing which defines a class of nonlinear (quadratic) models that are discriminatively
trained to directly map from the word content in a query-document or document-document pair to a ranking score. Like Latent
Semantic Indexing (LSI), our models take account of correlations between words (synonymy, polysemy). However, unlike LSI our
models are trained from a supervised signal directly on the ranking task of interest, which we argue is the reason for our
superior results. As the query and target texts are modeled separately, our approach is easily generalized to different retrieval
tasks, such as cross-language retrieval or online advertising placement. Dealing with models on all pairs of words features
is computationally challenging. We propose several improvements to our basic model for addressing this issue, including low
rank (but diagonal preserving) representations, correlated feature hashing and sparsification. We provide an empirical study
of all these methods on retrieval tasks based on Wikipedia documents as well as an Internet advertisement task. We obtain
state-of-the-art performance while providing realistically scalable methods. 相似文献
992.
Virginia King Lynn Clouder Mary Deane Frances Deepwell Lisa Ganobcsik-Williams 《Teaching in Higher Education》2013,18(3):425-433
Through reflection on the First International iPED Conference 2006, and its overarching theme of ‘Pedagogical Research and Academic Identities’, this paper considers the achievement of the wider aims of the conference, which were to facilitate dialogue between researchers in order to explore the conference themes collaboratively, and to provide networking opportunities which would enable participants to build alliances. The abstracts for all papers mentioned are available via the conference website www.coventry.ac.uk/iped2006. 相似文献
993.
Ankita Bhattashali Michaelene M. Ostrosky Lisa Monda-Amaya 《International Journal of Inclusive Education》2013,17(12):1257-1271
ABSTRACTIn India, people with disabilities often struggle to access various opportunities and resources. As a result of perceptions within the Indian culture around disabilities, families may face social, financial, and emotional difficulties. Within the family, a child with a disability may lead to strained relationships, particularly with siblings. Often siblings have little knowledge about disabilities and may feel ostracised. The purpose of this exploratory study was to examine the knowledge and attitudes of 12 Indian children regarding their siblings with disabilities, including their perceptions about disabilities against the backdrop of societal attitudes. Participants were interviewed to understand their knowledge of their siblings’ disabilities, to examine their sibling relationships, and to assess how school and society influenced their perceptions about disabilities. Results from this study can help family members understand how disability shapes relationships between children. The findings also provide key stakeholders with information that might help them better support families. 相似文献
994.
995.
How do young people experience camp, and how might that experience help us expand our understanding of what is possible in non-formal learning environments? In-depth interviews consisting of forced-choice and open-ended questions were conducted with 59 Concordia Language Villages residential camp participants who partake in a linguistically and culturally enriched grand simulation. This study focused on (1) quantitative assessments of their sense of safety and belonging, and (2) open-ended questions about the nature of the camp environment in general and as a learning place. From the qualitative data, we distilled participants’ sense of camp as a learning place by analysing their responses in terms of theoretically-driven categories of thinking space qualities and data-driven categories of experience space qualities. As a thinking space, participants described the camp environment as a safe space characterized by support for thinking and development, room for identity-supportive interactions, room to experiment, and a place with mentoring adults and a second-home feeling. As an experience space, they emphasized the centrality of the program’s daily activities (particularly simulations), the qualities of the people around them (diverse and community-focused), the physical setting of the program (particularly its aesthetics) and the instructional methods used (particularly language and cultural immersion). The relationship of these findings to our understanding of the nature of the thinking and experience spaces as program-specific and program-general phenomena is discussed. 相似文献
996.
Ronald Hitzler Babette Kirchner Jessica Pahl 《Zeitschrift für Erziehungswissenschaft》2013,16(3):143-158
In view of processes of individualization and pluralization, the requirements for living in modern societies result in significantly increased complexity of social constructions of reality. Especially for individualized juvenile people new forms of communities are a constitutive feature of social lifestyle progression and rearrangement. Within events a specific type of these juvenile communalities emerges. Based on two different cases, a music festival and an improvisational theater performance, this paper emphasizes a crucial similarity of events: the use of (physical) staging as a social mechanism for integration and distinction. The process of ‘eventization’ (i.e., spectacularization) provides a framework for action, in which emotional as well as mental affiliations constitute. 相似文献
997.
Detlev Leutner Eckhard Klieme Jens Fleischer Harm Kuper 《Zeitschrift für Erziehungswissenschaft》2013,16(1):1-2
This special issue comprises eleven articles from the DFG priority program “Competence Models for Assessing Individual Learning Outcomes and Evaluating Educational Processes”. The special issue aims at showing the priority program’s present state of discussion concerning essential concepts and questions related to the modeling of competencies. The first article describes the structure and research areas of the program and gives an overview on the current state of research. The short articles two to eleven discuss questions and problems which proved to be of particular importance during the work of the priority program in the last years. These articles constitute the result of a workshop of the participating scientists of the priority program in terms of position papers. 相似文献
998.
Christian Rittelmeyer 《Zeitschrift für Erziehungswissenschaft》2013,16(3):217-231
Transfer research examines how artistic activities can have an impact outside of the realm of art itself. The article concludes that this research can be carried out in a meaningful way, only within the framework of a comprehensive theory of aesthetic education. This theory would encompass the structural analysis of artistic activity, as well as biographical reports about artistic experiences. The elucidation of the concepts or themes relevant to the theory would include the notion of aesthetic experience, the understanding of immediate, aesthetic experiences, the analysis of artistic processes, and the outcomes of scientifically evaluated applications of aesthetic education. 相似文献
999.
This paper addresses potential negative effects of systematic external competence assessment on different levels of the education system. We discuss possible sources of misinterpretations of competence assessment feedback, potential consequences of feedback and assessment for different education stakeholders (teachers, students, and educational administration) as well as negative effects of systematic competence assessment on the culture of teaching and learning. The paper concludes with some reflections on possibilities to prevent or reduce the discussed negative effects. 相似文献
1000.
Wie können Ergebnisse der Kompetenzdiagnostik in Forschungsprojekten sinnvoll zurückgemeldet werden?
Reporting on research results to students, teachers and institutions is a big challenge within competence assessment research: students individually have to be given feedback about how they performed, teachers have to be provided with information about their classes, education authorities are interested in actual research results. For feedback being helpful for students, teachers and institutions, the following questions have to be thought of: (1) Who is the feedback given to? What is the aim of the feedback? (2) Which results shall be reported? (3) How should feedback theoretically look like? And (4) how does feedback depend on the given general framework? The given article discusses these questions and offers a “checklist” to research projects with a focus on competence assessment. 相似文献