The benefits of programming in a functional style are well known. In particular, algorithms that are expressed as compositions of functions operating on series/vectors/streams of data elements are much easier to understand and modify than equivalent algorithms expressed as loops. Unfortunately, many programmers hesitate to use series expressions, because they are typically implemented very inefficiently. Common Lisp macro packages (OSS) has been implemented which supports a restricted class of series expressions, obviously synchronizable series expressions, which can be evaluated very efficiently by automatically converting them into loops. Using this macro package, programmers can obtain the advantages of expressing computations as series expressions without incurring any run-time overhead.

The benefits of programming in a functional style are well known. In particular, algorithms that are expressed as compositions of functions operating on series/vectors/streams of data elements are much easier to understand and modify than equivalent algorithms expressed as loops. Unfortunately, many programmers hesitate to use series expressions, because they are typically implemented very inefficiently---the prime source of inefficiency being the creation of intermediate series objects. A restricted class of series expressions, obviously synchronizable series expressions, is defined which can be evaluated very efficiently. At the cost of introducing restrictions which place modest limits on the series expressions which can be written, the restrictions guarantee that the creation of intermediate series objects is never necessary. This makes it possible to automatically convert obviously synchronizable series expressions into highly efficient loops using straight forward algorithms.

The benefits of programming in a functional style are well known. In particular, algorithms that are expressed as compositions of functions operating on series/vectors/streams of data elements are much easier to understand and modify than equivalent algorithms expressed as loops. Unfortunately, many programmers hesitate to use series expressions, because they are typically implemented very inefficiently. A Common Lisp macro package (OSS) has been implemented which supports a restricted class of series expressions, obviously synchronizable series expressions, which can be evaluated very efficiently by automatically converting them into loops. Using this macro package, programmers can obtain the advantages of expressing computations as series expressions without incurring any run-time overhead.

Game reserves and other forms of protected areas are growing in South Africa and particularly in the province of KwaZulu-Natal. There is an experienced increase in the demand of wildlife production and nature tourism and game reserves are thought to be profitable and ideal for combining biodiversity conservation and tourism. People living in or adjacent to these areas however often contest the establishment of such, and reconciliation sometimes seems unattainable. This study investigates a current case in KwaZulu-Natal where local people dispute the development of the eMakhosini-Ophathe Heritage Park and as a result the completion of the park is delayed. The objectives of this study were to place the park in contexts relevant to the current conflicts, to identify the stakeholders and their perceptions and further to explain these. The underlying vision of the park was also investigated and this was co-analysed with the stakeholder analysis. The results showed a general negative view on park management but differing views on the park itself. This is explained with the notable difference on how stakeholders are affected by the park: some will benefit economically and some are supposed to relocate. Negative views on park management stem essentially from lack of trust and transparency and there are doubts in management’s capacity to develop and run the park. The vision of the park embodies a very static view of nature, culture and people; and when transformed into practice conflicts arise. / Farm Dwellers the Forgotten People? Consequences of Conversions to Private Wildlife Production in KwaZulu-Natal (University of KwaZulu-Natal, Republic of South Africa)

Title from second page of PDF document. Includes bibliographical references (p. 167-170).

Traditionally manufacturing job shops either have a process layout or a product layout. The advantages of one type of layout tend to be a disadvantage for the other. Hybrid cellular constructs represents a novel fusion of process and product layouts. In this thesis, hybrid cellular constructs specifically Hybrid Flow Shops and Reoriented andamp; Reshaped Cells are clearly described in terms of their structure, key features, and modes of operation. An engineering procedure is illustrated by cases and particular manufacturing circumstances where each concept would be most useful are identified. This thesis then defines the lean practices that are compatible with the structure in question and identifies what practices are incompatible. It suggests how to modify lean practices to fit and at least obtain some benefits for the incompatible ones. Finally, a procedure for design of logistics management systems for assembly cells and lines is presented.

The idea of an inherent structure of meaning in human communication is identified as the message construct. Traces of the construct in textbook models of the basic communication process and in popular magazine images of communication are examined. The argument is raised that objectifying the message has resulted in a paradigm which focuses disproportionately on explicit, representational, and instrumental aspects of communication. An alternative conception is proposed which would take into account implicit, constitutive, and generative aspects.

Today's educators are in need of tests or rating systems that provide specific and valid feedback to parents, students and programs. This need includes the area of expressive fluent oral reading. One way to address this need is to provide a rating system based on theoretical models that explore how fluency develops. This study explores the dimensions, constructs, or aspects that make up fluency. It also explores whether there is a sequence or order in how fluent oral reading with expression develops and the theoretical reasons for that ordering. This study further addresses whether word recognition or accuracy confounds the ratings of other aspects of fluency. Such issues may affect the reading community's approach to the teaching of fluency in the schools. For, if there is a developmental ordering of constructs that make up fluency, or if it is found that accuracy (word recognition) is separate from fluency, knowledge of such an ordering and separation can influence paradigms of how we as educators view present approaches to the teaching of reading in the classroom, especially in how we build our students' fluent oral reading skills. The researcher developed a rating scale to measure fluent oral reading with expression. He found that there are two dimensions providing the most meaningful interpretation to expressive fluent oral reading: accuracy and fluency. The author provides the rationale and empirical evidence that there is a learning order of subordinate constructs belonging to the fluency dimension. This order, as determined by a many-facets Rasch analysis, is (a) phrasing, (b) smoothness, (c) rate, (d) expression, and (e) confidence. When accuracy is used in the same Rasch analysis, it was found to be easier than phrasing, showing that the method used to select texts easy enough for students was successful. Accuracy was used as a control dimension to assure that fluency constructs could be observed by avoiding confounding the observations of fluent oral reading with word knowledge problems. Each construct consists of at least two descriptors or indicators, totaling 14 indicators in all. Three indicators load together on accuracy, and ten load together on fluency. An indicator designed for fluency, Smoothness 2: No Repeats, also loads on accuracy when included in the factor analysis, but it was found not to be a good indicator of accuracy or fluency. This clarification of number of dimensions and ordering constitutes the beginnings of a domain theory of fluent oral reading with expression (FORE) which provides an empirical description of the developmental sequence of progressive attainments that the average learner achieves on the two primary dimensions.

Yes / While achieving the spatial organization of cells within 3D assembled nanofiber/cell constructs via nanofiber-enabled cell layering, the small sizes of inter-fiber pores of the electrospun nanofiber mats could significantly limit cell penetration across the layers for rapid formation of an integrated tissue construct. To address this challenge, efforts were made to improve cell-infiltration of electrospun nanofiber mats by modulating the density distribution and spatial organization of the fibers during electrospinning. Collection of collagen-containing electrospun nanofibers (300–600 nm in diameter) onto the surface of a stainless steel metal mesh (1 mm × 1 mm in mesh size) led to the periodic alternation of fiber density from densely packed to loosely arranged distribution within the same mat, in which the densely packed fibers maintained the structural integrity while the region of loose fibers allowed for cell penetration. Along with improved cell infiltration, the distinct fiber organization between dense and loose fiber regions also induced different morphology of fibroblasts (stellate vs. elongated spindle-like). Assembly of cell-seeded nanofiber sheets into 3D constructs with such periodically organized nanofiber mats further demonstrated their advantages in improving cell penetration across layers in comparison to either random or aligned nanofiber mats. Taken together, modulation of nanofiber density to enlarge the pore size is effective to improve cell infiltration through electrospun mats for better tissue formation. / NSF-IIP. Grant Numbers: 1338958, 1346430; NSF-DMR. Grant Number: 1508511; NSF-CBET. Grant Number: 1033742; and NIAMS. Grant Number: 1R21 AR056416

Yes / The purpose of this paper is to perform a weight-analysis and to undertake a meta-analysis of findings reported in published research on the adoption and diffusion of e-government. Usable data relating to e-government adoption research were collected from 103 empirical studies. Of those 103 articles, only 63 used a range of different constructs with appropriate correlation values required for performing a weight- and meta-analysis. Diagrammatic representation has been presented using significant as well as non-significant relationships from all 103 publications. A broader analysis of research on adoption and diffusion of e-government also reflects that although a large number of theories and theoretical constructs were borrowed from the reference disciplines, their utilization by e-government researchers appears to be largely random in approach. This paper also acknowledges the theoretical contribution, the limitations of this study, and suggests further research directions for the continued work.