1,421 research outputs found
Co-presence Communities: Using pervasive computing to support weak social networks
Although the strongest social relationships feature most prominently in our lives, we also maintain a multitude of much weaker connections: the distant colleagues that we share a coffee with in the afternoon; the waitress at a our regular sandwich bar; or the ‘familiar stranger’ we meet each morning on the way to work. These are all examples of weak relationships which have a strong spatial-temporal component but with few support systems available. This paper explores the idea of ‘Co-presence Communities’ - a probabilistic definition of groups that are regularly collocated together - and how they might be used to support weak social networks. An algorithm is presented for mining the Copresence Community definitions from data collected by Bluetooth-enabled mobile phones. Finally, an example application is introduced which utilises these communities for disseminating information
Torsion and flexure of composite sections
In the solution of the Saint Venant problem for composite sections, the general method of attack is the introduction of the conjugate torsion and flexure functions and the reduction of the problem to a Dirichlet type problem. For the orthotropic portion of the section this first involves a transformation of variables and the definition of function harmonic over the transformed variables;In the flexure problem the concept of the center of elasticity is introduced. This center of elasticity plays the same role in the flexure problem as the geometric centroid for the completely isotropic section. It has been pointed out that loading along a geometric axis of symmetry of the section does not insure the absence of a twisting effect. The Young\u27s moduli in the z direction of the respective portions of the section are the only elastic constants entering into the definition of the center of elasticity. If the portions of the section have the same Young\u27s modulus in the z direction regardless of what the other elastic properties of the isotropic or orthotropic portion may be, the center of elasticity will correspond to the geometric center;Solutions have been obtained for composite sections whose boundaries are concentric circles, similar ellipses, confocal ellipses, eccentric circles and rectangles. The values of the torsional rigidities for a number of composite sections have been compared with those for completely isotropic and completely orthotropic sections possessing the same external boundaries;There are a number of other sections which may be solved by the methods developed here. Also it is a simple matter to formulate the problem corresponding to sections composed of two or more different orthotropic materials. Another common type of anisotropy which one might consider a curvilinear anisotropy;Sections of only two different materials have been considered. The methods developed may easily be extended in case of three or more materials. It is sufficient to require that the displacements and tractions be continuous across any common boundary;The torsion and flexure solutions for composite sections suggest the possibility of treating the bending of plates posed of different types of materials. Analogous problems in electrostatics or hydrodynamics might also be formulated and solved
Climate Change: Is it an Existential Crisis?
With the help of Dr. Knight, we did a literature review of four different books on climate change. These books covered different aspects of the controversial topic. After reading, we made our own conclusions on whether or not climate change was the existential crisis many say it is
An investigation of the types of speech programs in California high schools
Psychologists and leaders in the field of education have pointed out time and again that high school curriculums should be designed not only to teach a group of subjects, but also to meet the needs of a large group of individuals - the students. The boy or girl who spends four years in classes of mathematics, history, English, science, and a lot of other subjects does so not in order to parrot back to a teacher a long list of learned facts, but in order that he may prepare himself to take his place in a society as well adjusted and useful citizen in his chosen community. If this premise is true, then it would appear that one of the basic needs of the high school student is effective oral communication. As a consequence, one of the basic curriculum subjects would be a course in fundamentals of speech.
This thesis is an attempt to find out if that need is being met by the high schools in the State of California. Briefly stated the thesis problem is: “Are the individual student’s speech needs being met by the California high school curriculums?
Wheat glutenin subunits and dough elasticity: findings of the EUROWHEAT project
Detailed studies of wheat glutenin subunits have provided novel details of their molecular structures and interactions which allow the development of a model to explain their role in determining the visco-elastic properties of gluten and dough. The construction and analysis of near-isogenic and transgenic lines expressing novel subunit combinations or increased amounts of specific subunits allows differences in gluten properties to be related to the structures and properties of individual subunits, with potential benefits for the production of cultivars with improved properties for food processing or novel end user
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Orphanages in America: Are they needed?
The purpose of this constructivist research study was to examine the idea of returning to the orphanage system, as a placement option for children who have been removed from their homes. The authors felt that this was especially important since lawmakers have been discussing this option as an answer to the question of welfare reform, and further felt that decisions such as these should not be made without the input of professionals in the social work field
The Role of a New Testament Deacon: An Office to Hold or a Ministry to Perform
The function of deacons in many Southern Baptist churches is inconsistent with biblical principles, creating confusion at the local church level. This phenomenon is substantiated by information gathered from available literature, surveys, and personal interviews with professors, pastors and deacons. The purpose of this paper is to present a biblical and historical basis for the diaconate and to provide successful deacon ministries as positive role models. Two church offices are recognized--pastor/elder/overseer and deacon. Deacons are not elders or overseers. When they attempt to perform as such, administrating church business, they are functionally violating New Testament principle and practice
New York and Vermont Corn Silage Hybrid Trials
The corn silage hybrid evaluation program expanded to 77 hybrids in 2018. Hybrid evaluation at multiple environments helps in decision making and expands the reach of this type of data to more farmers. With this in mind Cornell, UVM, and seed companies collaborate to bring this robust evaluation. This year, hybrids were either entered into the 80-95 day relative maturity (RM) group (Early-Mid) and were tested at two locations in NY (n = 20; Hu-Lane Farm in Albion and the Willsboro Research Farm in Willsboro) and one location in VT (n = 20; Borderview Farm in Alburgh) or were entered into the 96-110 day relative maturity group (Mid-Late) and were tested at two locations in NY (n = 57; Greenwood Farms in Madrid and the Musgrave Research Farm in Aurora) and one location in VT (n = 55; Borderview Farm in Alburgh). The average Growing Degree Days (GDD; 86-50°F system) from May through August for years 2005 to 2018 is 2053 GGD at Albion, 2039 at Willsboro, 1979 at Alburgh, 2078 at Aurora and 1953 at Madrid (Table 1a and 1b)
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