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Articles 7951 - 7980 of 8580
Full-Text Articles in Social and Behavioral Sciences
Las Razones De Los Jóvenes, Manuel Fernández-Esquinas, Jorge Ruiz Ruiz
Las Razones De Los Jóvenes, Manuel Fernández-Esquinas, Jorge Ruiz Ruiz
Manuel Fernández-Esquinas
Se describen las necesidades, intereses, problemas, expectativas etc. de la juventud andaluza desde sus propios discursos (con sus palabras). El trabajo está basado en nueve grupos de discusión dirigidos y analizados por personal investigador del Instituto de Estudios Sociales de Andalucía del CSIC.
La Situación Social De Los Jóvenes En Andalucía, Manuel Fernández-Esquinas, Maria Ángelez Escrivá Chordá, Sara Robles Rodríguez
La Situación Social De Los Jóvenes En Andalucía, Manuel Fernández-Esquinas, Maria Ángelez Escrivá Chordá, Sara Robles Rodríguez
Manuel Fernández-Esquinas
Informe social de la juventud andaluza que aborda en profundidad y con datos estadísticos y cualitativos multitud de factores de la heterogenea población juvenil que vive en Andalucía. Es fruto de una investigación que contempló varios instrumentos de recogida de información: una encuesta a 3200 jovenes, nueve grupos de discusión, entrevistas a profesionales de la juventud y un sondeo a 1200 adultos acerca de como ven ellos a los y las jóvenes.
Learning From Science And Technology Policy Evaluation: Experiences From The United States And Europe, Philip Shapira, Stefan Kuhlmann
Learning From Science And Technology Policy Evaluation: Experiences From The United States And Europe, Philip Shapira, Stefan Kuhlmann
Philip Shapira
Learning from Science and Technology Policy Evaluation, edited by Philip Shapira and Stefan Kuhlmann, presents US and European experiences and insights on the evaluation of policies and programs to foster research, innovation, and technology (RIT). In recent years, policymakers have promoted RIT policies to accelerate scientific and technological development in emerging fields, encourage new patterns of research collaboration and commercialization and enhance national and regional economic competitiveness. At the same time, budgetary pressures and new public management approaches have strengthened demands for RIT performance measurement and evaluation. The contributors, leading experts in science and technology policy and evaluation, analyze and …
Innovation Und Intellektuelles Eigentum: Wer Nutzt Und Wem Nützen Softwarepatente?, Michael Friedewald, Knut Blind, Jakob Edler
Innovation Und Intellektuelles Eigentum: Wer Nutzt Und Wem Nützen Softwarepatente?, Michael Friedewald, Knut Blind, Jakob Edler
Michael Friedewald
Im Oktober 2000 hat die Europäische Kommission eine Sondierung zur Patentier-barkeit software-bezogener Erfindungen eingeleitet. Gegenwärtig beraten die Mit-gliedstaaten des Europäischen Patentübereinkommens beim Europäischen Patent-amt darüber, ob die diesbezüglichen Einschränkung für die Patentierung aus dem Patentübereinkommen gestrichen werden soll. Hintergrund dieser Diskussionen ist die Befürchtung, dass das Fehlen EU-weit einheitlicher Rechtsvorschriften die Wettbewerbsfähigkeit und das Wirtschaftswachstum der Europäischen Union hemmen könnte [4, 5]. Auch der im Frühjahr 2002 vorgelegte Richtlinienvorschlag der Europäischen Kommission wird kontrovers debattiert; eine Lösung die den In-teressen aller betroffenen Akteure berücksichtigt scheint auch heute noch in weiter Ferne zu sein [8].
The Impact Of Information And Communication Technologies On The Electricity Consumption In Germany, Clemens Cremer, Barbara Schlomann, Michael Friedewald
The Impact Of Information And Communication Technologies On The Electricity Consumption In Germany, Clemens Cremer, Barbara Schlomann, Michael Friedewald
Michael Friedewald
The importance of information and communication technologies in everyday life is increasing strongly. The growing penetration of PCs in households and offices and the almost ubiquitous use of mobile communication devices are vivid examples for this development.
The key drivers influencing the penetration, usage patterns and specific energy consumption of IC-equipment were examined and a bottom-up analysis of the direct energy consumption of ICT-equipment in households and offices was made for 2001 resulting an energy demand of 38 TWh. In addition, projections for the years 2005 and 2010 were developed based on the base year consumption and the key driving …
Information, Institutions And Governance: Advancing A Basic Social Science Research Program For Digital Government, Jane E. Fountain
Information, Institutions And Governance: Advancing A Basic Social Science Research Program For Digital Government, Jane E. Fountain
Jane E. Fountain
Throughout the globe, the sweep of information and communication technologies offers unprecedented opportunities for the advancement of governance and society. But information and communication technologies alone are inadequate to foster such benefits. An important, time-sensitive opportunity exists to make a major difference in the development of digital governance and society globally. An applied, rigorous research agenda would clarify for policymakers and the research community the costs and benefits of alternative future visions and paths. A solid research agenda, built through a global network of researchers, possesses the potential to forecast likely positive results and negative outcomes before government actions are …
Reflections About The Faxon Company: Beyond Vision, The Reality Of Shatterproof Windows And The Demise Of The Faxon Company, Connie Foster
Reflections About The Faxon Company: Beyond Vision, The Reality Of Shatterproof Windows And The Demise Of The Faxon Company, Connie Foster
DLTS Faculty Publications
Connie Foster, editor of Serials Review, opens this issue with reflections about the Faxon Company. She is joined by several contributors who had close ties with the subscription agency, either as former employees or clients. In an effort to document some of the milestones of the Faxon Company and results of an upheaval in the business community with the bankruptcy of divine/RoweCom/Faxon Library Services, the contributors also willingly share some experiences with and insights about a former serials subscription agency giant with services that spanned three centuries.
Bohemian Faceted-Spheroidal Mold-Pressed Glass Bead Attributes: Hypothesized Terminus Post Quem Dates For The 19th Century, Lester A. Ross
Bohemian Faceted-Spheroidal Mold-Pressed Glass Bead Attributes: Hypothesized Terminus Post Quem Dates For The 19th Century, Lester A. Ross
BEADS: Journal of the Society of Bead Researchers
Faceted-spheroidal mold-pressed beads have been manufactured in Bohemia since the 18th century. Evolution of manufacturing technology has resulted in the creation of bead attributes that can readily be observed on beads from archaeological contexts. Many North American archaeological sites contain examples of this bead type; but few reports have identified the attributes, much less recognized these beads as mold-pressed. Enough evidence now exists to suggest that some of these attributes have temporal significance for dating archaeological bead assemblages. Terminus post quem dates for faceted-spheroidal mold-pressed bead attributes are hypothesized, and a strategy for future research is suggested so that a …
Beads In The Straits Settlements: Trade And Domestic Demand, 1827-1937, Hwei-Fe'n Cheah
Beads In The Straits Settlements: Trade And Domestic Demand, 1827-1937, Hwei-Fe'n Cheah
BEADS: Journal of the Society of Bead Researchers
Beads have long been a part of the exchange of goods in Southeast. Indo-Pacific beads were traded in Southeast Asia and colored beads from China were exchanged for spices and forest products from the Indonesian archipelago. The Straits Settlements, comprising the ports of Singapore, Malacca, and Penang, was formed in 1826, to consolidate the trading position of the British in Southeast Asia. Singapore, in particular, developed into a major entrepot of the 19th and early 20th centuries. Research by the late Peter Francis, Jr., drew attention to its role as a channel for a part of the Southeast Asian bead …
Early Upper Paleolithic Ornaments From Üçaǧizli Cave, Turkey, Mary C. Stiner, Steven L. Kuhn
Early Upper Paleolithic Ornaments From Üçaǧizli Cave, Turkey, Mary C. Stiner, Steven L. Kuhn
BEADS: Journal of the Society of Bead Researchers
Beads and similar ornaments appear early in the archaeological record associated with modern humans (Homo sapiens), first in Africa and somewhat later in Eurasia. They are thought to be among the first indicators of human use of symbols. This paper discusses criteria used to distinguish early mollusk-shell beads from other kinds of shells in archaeological deposits, focusing on evidence from the site of Üçaǧizli Cave in Turkey. Upper Paleolithic beadmakers at this and other sites clearly preferred certain forms of shell for ornamental purposes, although the reasons for that selectivity remain obscure.
Table Of Contents (V. 15, 2003)
Table Of Contents (V. 15, 2003)
BEADS: Journal of the Society of Bead Researchers
No abstract provided.
Birds, Beasts, And Botanicals: Organic Beads And Pendants From The Amazon Basin, Deborah G. Harding
Birds, Beasts, And Botanicals: Organic Beads And Pendants From The Amazon Basin, Deborah G. Harding
BEADS: Journal of the Society of Bead Researchers
The people of the Amazon Basin have an incredible array of organic materials available to them, which they use to make beads and pendants. The Carnegie Museum of Natural History in Pittsburgh, Pennsylvania, has extensive recent collections from the Amazon Basin, with hundreds of necklaces, belts, aprons, and ear and arm ornaments which contain beads made from organic materials. These collections are used to illustrate a variety of the beads and their materials.
Two Centuries Of Iroquois Beadwork, Dolores N. Elliott
Two Centuries Of Iroquois Beadwork, Dolores N. Elliott
BEADS: Journal of the Society of Bead Researchers
To the 16th-century Iroquois living in what is now central New York state, European glass trade beads were something special; they were believed to have had magical and spiritual meaning. To this day, the Iroquois have a special relationship with glass beads. Iroquois artists began creating three-dimensional beaded items in the late 18th century. The first beaded pincushions and wall pockets were small, but they increased in size and quantity during the 19th century. Two centers of beadwork making arose: one around Niagara Falls in western New York and southern Ontario, and the other around Montreal in southern Quebec and …
Captions And Color Plates (V. 15, 2003)
Captions And Color Plates (V. 15, 2003)
BEADS: Journal of the Society of Bead Researchers
No abstract provided.
Reviews And End Matter
BEADS: Journal of the Society of Bead Researchers
Beadwork: A World Guide, by Caroline Crabtree and Pam Stallebrass (2002), reviewed by Margret Carey
A Bead Timeline. Volume I: Prehistory to 1200 CE, by James W. Lankton (2003), reviewed by Marilee Wood
Amber in Archaeology, Curt W. Beck, Ilze B. Loze, and Joan M. Todd (eds.) (2003), reviewed by Karlis Karklins.
Beads: Journal Of The Society Of Bead Researchers - Volume 15 (Complete)
Beads: Journal Of The Society Of Bead Researchers - Volume 15 (Complete)
BEADS: Journal of the Society of Bead Researchers
No abstract provided.
Reducing Automobile Emissions In Southern California: The Dance Of Public Policies And Technological Fixes, Rudi Volti
Reducing Automobile Emissions In Southern California: The Dance Of Public Policies And Technological Fixes, Rudi Volti
Pitzer Faculty Publications and Research
For many years I have taught at a small liberal arts college in Southern California. When first-year students arrived at the college in the early 1970s, they settled into the usual things that occupy freshmen. A few weeks would go by, and then they would make a remarkable discovery: tall mountains would appear to the north as autumn weather dissipated the heavy blanket of smog that had obscured them. Today, the air is not perfectly clear in September, but students are aware of the mountains from the day they move into the dormitories. The region's partial victory over smog illustrates …
Generalized Metrics And Uniquely Determined Logic Programs, Pascal Hitzler, Anthony K. Seda
Generalized Metrics And Uniquely Determined Logic Programs, Pascal Hitzler, Anthony K. Seda
Computer Science and Engineering Faculty Publications
The introduction of negation into logic programming brings the benefit of enhanced syntax and expressibility, but creates some semantical problems. Specifically, certain operators which are monotonic in the absence of negation become non-monotonic when it is introduced, with the result that standard approaches to denotational semantics then become inapplicable. In this paper, we show how generalized metric spaces can be used to obtain fixed-point semantics for several classes of programs relative to the supported model semantics, and investigate relationships between the underlying spaces we employ. Our methods allow the analysis of classes of programs which include the acyclic, locally hierarchical, …
Formal Concept Analysis And Resolution On Algebraic Domains - Preliminary Report, Matthias Wendt, Pascal Hitzler
Formal Concept Analysis And Resolution On Algebraic Domains - Preliminary Report, Matthias Wendt, Pascal Hitzler
Computer Science and Engineering Faculty Publications
We relate two formerly independent areas: Formal concept analysis and logic of domains. We will establish a correspondence between contextual attribute logic on formal contexts resp. concept lattices and a clausal logic on coherent algebraic cpos. We show how to identify the notion of formal concept in the domain theoretic setting. In particular, we show that a special instance of the resolution rule from the domain logic coincides with the concept closure operator from formal concept analysis. The results shed light on the use of contexts and domains for knowledge representation and reasoning purposes.
Representations Of Cuntz-Pimsner Algebras, Neal J. Fowler, Paul S. Muhly, Iain Raeburn
Representations Of Cuntz-Pimsner Algebras, Neal J. Fowler, Paul S. Muhly, Iain Raeburn
Faculty of Engineering and Information Sciences - Papers: Part A
Let X be a Hilbert bimodule over a C * -algebra A. We analyse the structure of the associated Cuntz-Pimsner algebra X and related algebras using representation-theoretic methods. In particular, we study the ideals (I) in X induced by appropriately invariant ideals I in A, and identify the quotients X/(I) as relative Cuntz-Pimsner algebras of Muhly and Solel. We also prove a gauge-invariant uniqueness theorem for X, and investigate the relationship between X and an alternative model proposed by Doplicher, Pinzari and Zuccante.
Delta-Ferrite Recovery Structures In Low-Carbon Steels, Rian Dippenaar, Dominic Phelan
Delta-Ferrite Recovery Structures In Low-Carbon Steels, Rian Dippenaar, Dominic Phelan
Faculty of Engineering and Information Sciences - Papers: Part A
The development of delta-ferrite recovery substructures in low-carbon steels has been observed in-situ utilizing laser scanning confocal microscopy (LSCM). Well-developed sub-boundaries with interfacial energies much smaller than that of delta-ferrite grain boundaries formed following transformation from austenite to delta-ferrite on heating. It is proposed that transformation stresses associated with the austenite to delta-ferrite phase transformation generate dislocations that subsequently recover into sub-boundaries by a process of polygonization. Experimental evidence in support of this proposal was found in a ferritic stainless steel. Thermal cycling through the high-temperature delta-ferrite/austenite/delta-ferrite phase transformation leads to the development of a well-defined recovery substructure, which, in …
Chain Entanglements And Fracture Energy In Interfaces Between Immiscible Polymers, Leonardo Silvestri, Hugh Ralph Brown, Stefano Carra, Sergio Carra
Chain Entanglements And Fracture Energy In Interfaces Between Immiscible Polymers, Leonardo Silvestri, Hugh Ralph Brown, Stefano Carra, Sergio Carra
Faculty of Engineering and Information Sciences - Papers: Part A
It is a very well-known experimental fact that the toughness of interfaces obtained by joining pairs of immiscible glassy polymers is strongly correlated to the interfacial width. Several models have been proposed in the literature to estimate the fracture energy of these interfaces, but the agreement displayed with the experimental data cannot be considered satisfactory. In this paper a new model is proposed for polymers with molecular weight higher than the critical value for the onset of entanglements. The model is based on a precise and realistic calculation of the areal density of entangled strands across the interface, that is …
Higher-Rank Graphs And Their C*-Algebras, Iain Raeburn, Aidan Sims, Trent Yeend
Higher-Rank Graphs And Their C*-Algebras, Iain Raeburn, Aidan Sims, Trent Yeend
Faculty of Engineering and Information Sciences - Papers: Part A
We consider the higher-rank graphs introduced by Kumjian and Pask as models for higher-rank Cuntz-Krieger algebras. We describe a variant of the Cuntz-Krieger relations which applies to graphs with sources, and describe a local convexity condition which characterises the higher-rank graphs that admit a nontrivial Cuntz-Krieger family. We then prove versions of the uniqueness theorems and classifications of ideals for the C*-algebras generated by Cuntz-Krieger families.
Detection Of Carbon Monoxide Within The Magellanic Bridge, E Muller, L Staveley-Smith, William Zealey
Detection Of Carbon Monoxide Within The Magellanic Bridge, E Muller, L Staveley-Smith, William Zealey
Faculty of Engineering and Information Sciences - Papers: Part A
The Mopra 22-m and SEST 15-m telescopes have been used to detect and partially map a region of 12CO(1-0) line emission within the Magellanic Bridge, a region lying between the Large and Small Magellanic Clouds (LMC and SMC, respectively). The emission appears to be embedded in a cloud of neutral hydrogen, and is in the vicinity of an IRAS source. The CO emission region is found to have a 60 μm/100 μm flux density ratio typical for 12CO(1-0) detections within the SMC, although it has a significantly lower 12CO brightness and velocity width. These suggest that the …
Rank-One Convexity Implies Quasi-Convexity On Certain Hypersurfaces, Nirmalendu Chaudhuri, Stefan Muller
Rank-One Convexity Implies Quasi-Convexity On Certain Hypersurfaces, Nirmalendu Chaudhuri, Stefan Muller
Faculty of Engineering and Information Sciences - Papers: Part A
No abstract provided.
Countably Generated Hilbert Modules, The Kasparov Stabilisation Theorem, And Frames In Hilbert Modules, Iain Raeburn, Shaun J. Thompson
Countably Generated Hilbert Modules, The Kasparov Stabilisation Theorem, And Frames In Hilbert Modules, Iain Raeburn, Shaun J. Thompson
Faculty of Engineering and Information Sciences - Papers: Part A
We consider a class of countably generated Hilbert modules in which the generators are multipliers of the module, and prove a version of the Kasparov Stabilisation Theorem for these modules. We then extend recent work of Frank and Larson on frames in Hilbert modules.
Bounds For The Best Constant In An Improved Hardy-Sobolev Inequality, Nirmalendu Chaudhuri
Bounds For The Best Constant In An Improved Hardy-Sobolev Inequality, Nirmalendu Chaudhuri
Faculty of Engineering and Information Sciences - Papers: Part A
No abstract provided.
Issues For Connection Of Distributed Generation In Rural/Remote Power Systems, Kashem M. Muttaqi, Gerard Ledwich, Michael Negnevitsky
Issues For Connection Of Distributed Generation In Rural/Remote Power Systems, Kashem M. Muttaqi, Gerard Ledwich, Michael Negnevitsky
Faculty of Engineering and Information Sciences - Papers: Part A
Connection of distributed generation (DG) into a distribution grid system affects the normal operation, control and protection of the distribution system. This paper addresses some of the technical issues arisen due to the addition of generation to a rural/remote distribution network. In this paper, a voltage controlled rotary DG is modelled to operate in the line of voltage sensitivity for maximum voltage improvement. A scenario-based study on DG operation and control has been conducted and recommendations for effective operation of DG presented. An investigation on barriers to inclusion of utility owned and customer owned DG has been carried out and …
Theoretical And Experimental Investigation Of Descending Salt Plumes From A Circular Source, Apichart Chaengbamrung, Paul Cooper, Peter W. Wypych, Ajit R. Godbole
Theoretical And Experimental Investigation Of Descending Salt Plumes From A Circular Source, Apichart Chaengbamrung, Paul Cooper, Peter W. Wypych, Ajit R. Godbole
Faculty of Engineering and Information Sciences - Papers: Part A
This paper describes work in the first part of an ongoing research programme on the generation and dispersion of fume from hot metal processes, a challenging industrial ventilation problem. This phase of the study involves research into a salt solution plume generated from an area source and descending into quiescent water. This is a 'cold flow' analogue of a thermal plume ascending in quiescent air. Experiments are described whereby the velocity and concentration profiles in the plume are determined using video footage and particle-tracking software, and a conductivity probe with digital traversing mechanism, respectively. Results from a transient numerical simulation …