Environmental concern in contemporary societies is a complex phenomenon which is shaped and influenced by a host of different factors. One of the most important of these is the interplay between culture and nature that has taken place during the course of a nation’s history and the various ‛views of nature’ that such interplay has generated. Such views can e.g. manifest themselves in aesthetic judgments of natural scenery or, more generally, in the values that nature is seen to contain or carry. They form the base from which contemporary ideas, conceptions, and evaluations of nature are generated and debated. The five studies that together comprise this thesis explore the socio-cultural background of Icelandic environmentalism from a number of different perspectives. The first study concerns the depiction(s) of nature that can be found in the oldest literary works that have survived in Iceland. The second study deals with the first attempts by an Icelander to visualize nature in his homeland, using photographic media. The third study seeks to compare contemporary views of nature amongst Icelanders, e.g. concerning the appreciation of natural beauty, with those of Swedes and Danes. The fourth study reports the results of an extensive survey which probed the environmental values, knowledge, attitudes and behaviors of present day Icelanders. The fifth study builds on this same survey but focuses on the public understanding and perceptions of sustainable development, and also on the connections between attitudes toward environmental and developmental issues. This overall thesis project was multi-disciplinary in nature, combining theory drawn from environmental philosophy, especially ethics and aesthetics, with the theories and methods of environmental sociology, politics and history. The empirical studies employed, furthermore sought to operationalize certain key theoretical constructs relating to views of nature, such as environmental value orientations and aesthetic appreciation of nature, and thus ‛build bridges’ between the concerns, theories and methods of the humanities, on one side, and those of the social sciences, on the other.

XML was recommended by W3C in 1998 as a markup language to be used by device- and system-independent methods of representing information. XML is nowadays used as a data model for storing and querying large volumes of data in database systems. In spite of significant research and systems development, many performance problems are raised by processing very large amounts of XML data. Materialized views have long been used in databases to speed up queries. Materialized views can be seen as precomputed query results that can be re-used to evaluate (part of) another query, and have been a topic of intensive research, in particular in the context of relational data warehousing. This thesis investigates the applicability of materialized views techniques to optimize the performance of Web data management tools, in particular in distributed settings, considering XML data and queries. We make three contributions.We first consider the problem of choosing the best views to materialize within a given space budget in order to improve the performance of a query workload. Our work is the first to address the view selection problem for a rich subset of XQuery. The challenges we face stem from the expressive power and features of both the query and view languages and from the size of the search space of candidate views to materialize. While the general problem has prohibitive complexity, we propose and study a heuristic algorithm and demonstrate its superior performance compared to the state of the art.Second, we consider the management of large XML corpora in peer-to-peer networks, based on distributed hash tables (or DHTs, in short). We consider a platform leveraging distributed materialized XML views, defined by arbitrary XML queries, filled in with data published anywhere in the network, and exploited to efficiently answer queries issued by any network peer. This thesis has contributed important scalability oriented optimizations, as well as a comprehensive set of experiments deployed in a country-wide WAN. These experiments outgrow by orders of magnitude similar competitor systems in terms of data volumes and data dissemination throughput. Thus, they are the most advanced in understanding the performance behavior of DHT-based XML content management in real settings.Finally, we present a novel approach for scalable content-based publish/subscribe (pub/sub, in short) in the presence of constraints on the available computational resources of data publishers. We achieve scalability by off-loading subscriptions from the publisher, and leveraging view-based query rewriting to feed these subscriptions from the data accumulated in others. Our main contribution is a novel algorithm for organizing subscriptions in a multi-level dissemination network in order to serve large numbers of subscriptions, respect capacity constraints, and minimize latency. The efficiency and effectiveness of our algorithm are confirmed through extensive experiments and a large deployment in a WAN.

Democracy and mysticism are two prominent themes of Walt Whitman's writings, yet few critics have explored the connections that may exist between these areas. Some critics have noted that Whitman holds an ideal of "spiritual democracy," in which all people are equal due to their identity with a transcendent self such as that found in "Song of Myself," but they have not identified the best philosophical model for such a political viewpoint. I believe that the parallel between Whitman's thought and Vedantic mysticism, already developed by V. K. Chart and others, may be expanded to account for Whitman's political thought. Past studies of Whitman and Vedanta have focused only on the advaitic aspects of his writing, but in his later years he came to adopt a visistadvaitic stance similar to that of Ramanuja. In the political sphere, his concept of a Brahmanic self shared by all people led him to not only believe that all people are equal, but that they also possess the capacity to become contributors to a democratic society. Whitman felt that the poet was the primary means by which the masses could attain mystical consciousness and the concomitant social harmony. The ideal poet described in Democratic Vistas and the Preface to the 1855 Leaves of Grass serves as a mediator between the people as they are and Whitman's ideal of a completely unified democratic society and thereby parallels the Vedantic guru's function of bridging the relative and absolute levels of reality. / Department of English

1. The central theoretical argument of this study is that Dr. D. Martyn Lloyd-Jones maintains a true and Biblical view of sin and that he sets off his view meaningfully and apologetically against unbiblical views regarding sin. The purpose of the study is to investigate Lloyd-Jones's view of sin and to indicate that it can at present be applied meaningfully and apologetically. 2. To develop and substantiate this argument, the following procedure has been followed: 2.1. Lloyd-Jones's theological background is established as reliable. 2.2. His position regarding apologetics and his points of departure concerning it are dealt with. He begins by examining man and his fall into sin. The gospel, as God's way of salvation, is set against unbiblical views regarding man and his redemption. His points of departure indicate how the fall of man has resulted in a humanistic anthropology and how this in turn has led to unscriptural standpoints regarding sin. The Biblical view of man, on the other hand, is based on man being made in the image of God. The fall of man damage this image of God in man. God restores this image by means of the redeeming sacrifice of his Son so that the restored man can once again become the image bearer through the working of the Holy Spirit. 2.3. Lloyd-Jones's apologetic points of departure are followed by an examination of his views regarding sin. His views are based on the Biblical doctrine of original sin and especially on the text of Romans 5:12-21. Lloyd-Jones's basic premise regarding original sin is: 'The world is as it is today because when Adam sinned all sinned". Effective apologetics should use the Biblical doctrine of original sin by referring to the positive antipole, namely redemption in Christ. 2.4. From original sin flows all acts of sin. That is why the characteristics of sin are investigated. The most important conclusions resulting from the characteristics of sin are: 2.4.1. That sin deliberately rejects and suppresses the truth and that the sinner is pleased about the sin which is committed (Romans 1:32; Philippians 3:19). 2.4.2. That the keyword for sin in the New Testament namely hamrtia, essentially means "missing your goal". However the exegesis of Lloyd-Jones indicates that the sinner does not only miss his goal, but does not even aim at the target; in fact, he aims at a different target from the one God sets for him, instead of the living God being worshipped, the creature and creation are worshipped (Romans 1:18-32). 2.4.3. That sin causes spiritual disintegration. This is why people are so susceptible to superficial and unscriptural trends. 2.4.4. That sin is directed primarily against God (Psalm 51:6). 2.4.5. That a true doctrine of sin calls forth a healthy realisation of sin and therefore also a realisation of one's dependence on God for eternal salvation (cf. Matthews 5:3). 2.4.6. That God's judgement of sin as a breach of his covenant is intensified in the church of the New Testament (d. Hebrews 10:19-31). 2.5. Lloyd-Jones uses his view of sin with the intention of awakening a realisation of sin in unbelievers and in this way encouraging the need for redemption. 2.6. The same doctrine of sin is used to foster the sanctification of believers. The process of sanctification consists of the mortification of sin. This process occurs through the direction of the Holy Spirit. 3. Sinful acts are manifested in false doctrines and false religions. This is why Lloyd-Jones's fields of application are examined. A feature of false doctrines and false religions used virtually throughout by Lloyd-Jones in the apologetic process, is the additions to or detractions from the Bible - or both: 3.1. The Roman Catholic Church adds to Scripture by accepting an open canon as it is embodied in Roman Catholic tradition. It is precisely as The Roman Catholic Church system places itself between man and Christ and in this way people's eternal salvation is compromised. 3.2. In contrast with humanism and the resulting uncertainty concerning eternal salvation in the Aminian theology, Lloyd-Jones focuses on the sovereignty of God and the consequential certainty of salvation in the Calvinistic doctrine of predestination. 3.3. If the Darwinian evolutionary doctrine were true, the Biblical doctrine of sin and salvation would be meaningless. Lloyd-Jones uses the story of creation and the fall of man as it is described in Genesis 1-3 as actual occurrences to show that evolutionism is simply a theory. 3.4. Against Christian Science's focus on temporary and earthly prosperity, Lloyd-Jones places man's eternal prosperity as a higher priority. Sin threatens man's eternal prosperity. The Christian Scientists add to the Bible by placing the Science of Mind above the Bible. They detract from the Bible by regarding sin simply as ignorance. 4. Outstanding and admirable features of Lloyd-Jones's apologetics are the way in which he pursues apologetics and the substantial quality of his discussion. He approaches apologetics in an atmosphere of love for the truth and love for the sinner. Lloyd-Jones's point of departure is essentially a prayerful development and true exposition and application of the Word. / Thesis (Th.M. (Ethics))--North-West University, Potchefstroom Campus, 2004.

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The aim of this study is to investigate the views of preservice science teachers on nature of science (NOS). A total of 166 preservice science teachers participated in the study. A 21-item &ldquo / Views on Science-Technology-Society (VOSTS)&rdquo / instrument, translated and adapted into Turkish, were utilized to assess participants&rsquo / views on the nature of science. The VOSTS (Aikenhead, Ryan and Fleming, 1989) is a pool of 114 empirically developed multiple-choice items with nine categories. In this study, 21 item selected from the epistemology of science category corresponded to the purposes of the assessment. In order to understand participants&rsquo / views on nature of science in depth, semi-structured interviews were also conducted by 9 volunteer preservice science teachers. The results gave a picture of the preservice science teachers&rsquo / views on nature of science. Results of this study revealed preservice science teachers&rsquo / misconceptions on nature of science. Their views are mostly traditional on the nature of science. Results of the study indicated that preservice science teachers held traditional views (naive) regarding the definition of science / the nature of scientific models / the relationships between hypotheses, theories, and laws / fundamental assumptions for all science / the scientific method / uncertainty in scientific knowledge / epistemological status of scientific knowledge / coherence of concepts across disciplines. On the other hand participants have contemporary views (realistic) on the nature of observation / the nature of classification schemes / the tentativeness of scientific knowledge / cause and effect relationship. Analysis of interviews also supported these findings and gave a deep insight on preservice science teachers&rsquo / views on nature of science.

Thesis (M.A.)--Cincinnati Christian University, 2009. / Includes abstract and vita. Bibliography: l. 134-140.

The main goal of this thesis is to show different ways of representing Prague in literary texts written by authors such as Daniela Hodrová, Michal Ajvaz, Miloš Urban, Jáchym Topol, Adin Ljuca and Marius Szczygieł. All the analysed literary works were published after 1989. The theoretical part is devoted to the urban typology of the area of Prague. The image of the area in relation to reality, the problem of the border lines and semiotic knowledge of the Tartu-Moscow Semiotic School are examined. In the interpretative part particular writings are analysed. The characterization and the influence of the city, living and walking there are examined. The dissimilarities of the views of the city gained by the comparison are also presented in the chapter. Main motives and different methods of describing Prague in all those works are emphasized.