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Expressive Power (expressive + power)
Selected AbstractsVariable Resolution 4- k Meshes: Concepts and ApplicationsCOMPUTER GRAPHICS FORUM, Issue 4 2000Luiz Velho In this paper we introduce variable resolution 4-k meshes, a powerful structure for the representation of geometric objects at multiple levels of detail. It combines most properties of other related descriptions with several advantages, such as more flexibility and greater expressive power. The main unique feature of the 4-k mesh structure lies in its variable resolution capability, which is crucial for adaptive computation. We also give an overview of the different methods for constructing the 4-k mesh representation, as well as the basic algorithms necessary to incorporate it in modeling and graphics applications. [source] Uncanny Exposures: A Study of the Wartime Photojournalism of Lee MillerCURRICULUM INQUIRY, Issue 4 2009PAULA M. SALVIO ABSTRACT Taking the World War II photojournalism of Lee Miller as my point of departure, this article has several purposes. First, it introduces the wartime photojournalism of Lee Miller to education. I situate Miller's use of surrealist photography within emerging curricular discourses that take as axiomatic the significance of the unconscious in education and thus the challenge of representing histories that are simultaneously present, but cannot be perceived or integrated into conventional historical narratives. Second, I provide a textual analysis of Lee Miller's wartime oeuvre with specific attention paid to how this work alters education's "field of vision" of trauma. While this analysis makes no claims to exhaust education's possibilities for framing the war photography of Lee Miller, it will show how Miller's use of surrealist rhetoric and framing devices offered her the expressive power to represent traumatic experiences that resist being integrated into larger social and cultural contexts. By thinking through Miller's war photography, this article contributes to the scholarship in education that is dedicated to establishing a psychoanalytic history of learning and teaching that is capacious enough to address the "difficult knowledge" we too often cast beyond the pale of the curriculum and to expanding the rhetorical tactics possible for representing such difficult knowledge. [source] Logical formalisms for representing bipolar preferencesINTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS, Issue 9 2008Souhila Kaci Bipolar preferences distinguish between negative preferences inducing what is acceptable by complementation and positive preferences representing what is really satisfactory. This article provides a review of the main logics for preference representation. Representing preferences in a bipolar logical way has the advantage of enabling us to reason about them, while increasing their expressive power in a cognitively meaningful way. In the article, we first focus on the possibilistic logic setting and then discuss two other logics: qualitative choice logic and penalty logic. Finally, an application of bipolar preferences querying systems is outlined. © 2008 Wiley Periodicals, Inc. [source] Art psychotherapy in a consumer diagnosed with borderline personality disorder: A case studyINTERNATIONAL JOURNAL OF MENTAL HEALTH NURSING, Issue 3 2009Scott Lamont ABSTRACT This case study reviews 11 sessions of art psychotherapy with a consumer diagnosed with having borderline personality disorder. A consumer who reported difficulty in communicating her lived trauma verbally and engaged in self-harming behaviour was offered individual art therapy sessions following a consultation between an art therapy student and clinical nurse consultant in an attempt to understand her experiences and to collaboratively engage her. Notes were taken after each session by the art therapy student, reflecting conversations with this consumer while they were engaged in art making, which were subsequently explored within formal clinical supervision sessions with a mental health nurse consultant. An art portfolio is reproduced. It illustrates the expressive power of image creation. The key features of the images were that of lived trauma, the externalization of thoughts and feelings, and intense emotional expression. The results of this chronological art portfolio case study indicated therapeutic benefits from the intervention for this consumer. Further investigations of this type of intervention are warranted within the mental health setting. [source] Weakly associative relation algebras with projectionsMLQ- MATHEMATICAL LOGIC QUARTERLY, Issue 2 2009Agi Kurucz Abstract Built on the foundations laid by Peirce, Schröder, and others in the 19th century, the modern development of relation algebras started with the work of Tarski and his colleagues [21, 22]. They showed that relation algebras can capture strong first-order theories like ZFC, and so their equational theory is undecidable. The less expressive class WA of weakly associative relation algebras was introduced by Maddux [7]. Németi [16] showed that WA's have a decidable universal theory. There has been extensive research on increasing the expressive power of WA by adding new operations [1, 4, 11, 13, 20]. Extensions of this kind usually also have decidable universal theories. Here we give an example , extending WA's with set-theoretic projection elements , where this is not the case. These "logical" connectives are set-theoretic counterparts of the axiomatic quasi-projections that have been investigated in the representation theory of relation algebras [22, 6, 19]. We prove that the quasi-equational theory of the extended class PWA is not recursively enumerable. By adding the difference operator D one can turn WA and PWA to discriminator classes where each universal formula is equivalent to some equation. Hence our result implies that the projections turn the decidable equational theory of "WA + D " to non-recursively enumerable (© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) [source] | ||||||||||