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The Ombudman Concept: Concept Information
This report is about the The Ombudman Concept: Concept Information
Date:
October 13, 1976
Creator:
Library of Congress. Congressional Research Service.
Object Type:
Report
System:
The UNT Digital Library
Literature Survey on Isotopic Abundance Ratio Measurements - 2001-2005
Along with my usual weekly review of the published literature for new nuclear data, I also search for new candidates for best measurements of isotopic abundances from a single source. Most of the published articles, that I previously had found in the Research Library at the Brookhaven Lab, have already been sent to the members of the Atomic Weights Commission, by either Michael Berglund or Thomas Walczyk. In the last few days, I checked the published literature for any other articles in the areas of natural variations in isotopic abundance ratios, measurements of isotopic abundance ratios on samples of extra-terrestrial material and isotopic abundance ratio measurements performed using ICPMS instruments. Hopefully this information will be of interest to members of the Commission, the sub-committee on isotopic abundance measurements (SIAM), members of the former sub-committee on natural isotopic fractionation (SNIF), the sub-committee on extra-terrestrial isotope ratios (SETIR), the RTCE Task Group and the Guidelines Task Group, who are dealing with ICPMS and TIMS comparisons. In the following report, I categorize the publications in one of four areas. Measurements performed using either positive or negative ions with Thermal Ionization Mass Spectrometer, TIMS, instruments; measurements performed on Inductively Coupled Plasma Mass Spectrometer, ICPMS, …
Date:
August 13, 2005
Creator:
Holden, N. E.
Object Type:
Article
System:
The UNT Digital Library
Spent nuclear fuel project high-level information management plan
This document presents the results of the Spent Nuclear Fuel Project (SNFP) Information Management Planning Project (IMPP), a short-term project that identified information management (IM) issues and opportunities within the SNFP and outlined a high-level plan to address them. This high-level plan for the SNMFP IM focuses on specific examples from within the SNFP. The plan`s recommendations can be characterized in several ways. Some recommendations address specific challenges that the SNFP faces. Others form the basis for making smooth transitions in several important IM areas. Still others identify areas where further study and planning are indicated. The team`s knowledge of developments in the IM industry and at the Hanford Site were crucial in deciding where to recommend that the SNFP act and where they should wait for Site plans to be made. Because of the fast pace of the SNFP and demands on SNFP staff, input and interaction were primarily between the IMPP team and members of the SNFP Information Management Steering Committee (IMSC). Key input to the IMPP came from a workshop where IMSC members and their delegates developed a set of draft IM principles. These principles, described in Section 2, became the foundation for the recommendations found in …
Date:
September 13, 1996
Creator:
Main, G.C.
Object Type:
Report
System:
The UNT Digital Library
LMFBR safety. 6. Review of current issues and bibliography of literature (1977)
This report discusses the current status of liquid-metal fast breeder reactor (LMFBR) development. Selected bibliographic information on LMFBRs relative to the development and safety of the breeder reactor is presented for the year 1977. The bibliography consists of approximately 198 abstracts covering research and development, operating experience, and design practices. Keyword, author, and permuted-title indexes are included for completeness.
Date:
July 13, 1978
Creator:
Buchanan, J.R. & Keilholtz, G.W.
Object Type:
Report
System:
The UNT Digital Library
Bibliography on CO{sub 2} Effects on Vegetation and Ecosystems: 1990-1999 Literature
None
Date:
July 13, 2000
Creator:
Jones, M.H.
Object Type:
Report
System:
The UNT Digital Library
Science, Technology, and American Diplomacy: Background and Issues for Congress
is report analyzes China's mixed record on human rights -- major human rights problems, new human rights legislation, and the development of civil society, legal awareness, and social and political activism. This report discusses major areas of interest but does not provide an exhaustive account of all human rights abuses or related incidents.
Date:
July 13, 2009
Creator:
Lum, Thomas & Fischer, Hannah
Object Type:
Report
System:
The UNT Digital Library
Organization of knowledge and information in digital archives of language materials
This article reports the first empirical investigation of various dimensions of organization and representation of recorded knowledge and information in language archives. The study used a combination of semi-structured interviews and content analysis. Results demonstrate that, while some of the phenomena related to organization of information in language archives are specific to these types of archives, others are more typical and have been addressed by libraries in past research and practice.
Date:
April 13, 2021
Creator:
Burke, Mary; Zavalina, Oksana; Phillips, Mark Edward & Chelliah, Shobhana Lakshmi
Object Type:
Article
System:
The UNT Digital Library
Arranging the Pieces: A Survey of Library Practices Related to a Tabletop Game Collection
This article discusses results from an online survey of 119 libraries to explore collection development, cataloguing, processing, and circulation practices for tabletop game collections in libraries.
Date:
November 13, 2016
Creator:
Slobuski, Teresa; Robson, Diane & Bentley, P. J.
Object Type:
Article
System:
The UNT Digital Library
A New Vista in Scientific Data Management
This paper examines the use of an in-core database in place of traditional data structures in two ASC codes. Results so far indicate a dramatic reduction in code, coupled with an increase in functionality. Performance impact has been around one percent for the majority of problems tested. Debugging has been the major roadblock thus far, and a portable browser tool has been written that will soon work with a variety of debuggers.
Date:
December 13, 2004
Creator:
Keasler, J
Object Type:
Article
System:
The UNT Digital Library
Argonne's Laboratory Computing Resource Center 2009 Annual Report.
Now in its seventh year of operation, the Laboratory Computing Resource Center (LCRC) continues to be an integral component of science and engineering research at Argonne, supporting a diverse portfolio of projects for the U.S. Department of Energy and other sponsors. The LCRC's ongoing mission is to enable and promote computational science and engineering across the Laboratory, primarily by operating computing facilities and supporting high-performance computing application use and development. This report describes scientific activities carried out with LCRC resources in 2009 and the broad impact on programs across the Laboratory. The LCRC computing facility, Jazz, is available to the entire Laboratory community. In addition, the LCRC staff provides training in high-performance computing and guidance on application usage, code porting, and algorithm development. All Argonne personnel and collaborators are encouraged to take advantage of this computing resource and to provide input into the vision and plans for computing and computational analysis at Argonne. The LCRC Allocations Committee makes decisions on individual project allocations for Jazz. Committee members are appointed by the Associate Laboratory Directors and span a range of computational disciplines. The 350-node LCRC cluster, Jazz, began production service in April 2003 and has been a research work horse ever …
Date:
May 13, 2011
Creator:
Bair, R. B. (CLS-CI)
Object Type:
Report
System:
The UNT Digital Library
Office of Educational Programs, 2008 Summer Internship Symposium and Poster Session
None
Date:
August 13, 2008
Creator:
White,K.; Morris, M.; Osiecki, C. & Blackburn, N.
Object Type:
Article
System:
The UNT Digital Library
Nonlinear AMGe with Coarsening Away from the Contact Boundary for the Signorini's Problem
None
Date:
January 13, 2003
Creator:
Iontcheva, A H & Vassilevski, P S
Object Type:
Article
System:
The UNT Digital Library
Embedded Boundary Algorithms for Solving the Poisson Equation on Complex Domains
None
Date:
May 13, 1998
Creator:
Day, Marcus S.; Colella, Phillip; Lijewski, Michael J.; Rendleman, Charles A. & Marcus, Daniel L.
Object Type:
Report
System:
The UNT Digital Library
Papers from U.S. Department of Energy Science Undergraduate Laboratory Internship Program (SULI) 2007
A collection of student and intern research papers from Stanford Linear Accelerator center dealing with accelerator physics, crystal structure, BABAR, the GLAST mission, etc.
Date:
November 13, 2007
Creator:
Rock, S.E., (ed.) & Woods, M., (ed.)
Object Type:
Report
System:
The UNT Digital Library
A Progressive Subdivision Paradigm (PSP)
The increasing rate of growth in size of currently available datasets is a well known issue. The possibility of developing fast and easy to implement frameworks able to visualize at least part of a tera-sized volume is a challenging task. Subdivision methods in recent years have been one of the most successful techniques applied to the multiresolution representation and visualization of surface meshes. Extensions of these techniques to the volumetric case presents positive effects and major challenges mainly concerning the generalization of the combinatorial structure of the refinement procedure and the analysis of the smoothness of the limit mesh. In this paper we address mainly the first part of the problem, presenting a framework that exploits a subdivision scheme suitable for extension to 3D and higher dimensional meshes.
Date:
December 13, 2004
Creator:
Borgo, R.; Scopigno, R.; Cignoni, P. & Pascucci, V.
Object Type:
Article
System:
The UNT Digital Library
An object-oriented decomposition of the adaptive-hp finite element method
Adaptive-hp methods are those which use a refinement control strategy driven by a local error estimate to locally modify the element size, h, and polynomial order, p. The result is an unstructured mesh in which each node may be associated with a different polynomial order and which generally require complex data structures to implement. Object-oriented design strategies and languages which support them, e.g., C++, help control the complexity of these methods. Here an overview of the major classes and class structure of an adaptive-hp finite element code is described. The essential finite element structure is described in terms of four areas of computation each with its own dynamic characteristics. Implications of converting the code for a distributed-memory parallel environment are also discussed.
Date:
December 13, 1994
Creator:
Wiley, J.C.
Object Type:
Article
System:
The UNT Digital Library
HHS's Efforts to Promote Health Information Technology and Legal Barriers to Its Adoption
Correspondence issued by the Government Accountability Office with an abstract that begins "Studies published by the Institute of Medicine and others have indicated that fragmented, disorganized, and inaccessible clinical information adversely affects the quality of health care and compromises patient safety. Health information technology (IT)--technology used to collect, store, retrieve, and transfer clinical, administrative, and financial health information electronically--is seen as a promising solution to this problem. Technologies such as electronic health records (EHR) and bar coding of certain human drug and biological product labels have been shown to save money and reduce medical errors. However, only a small number of U.S. health care providers have fully adopted health IT. Significant financial, technical, cultural, and legal barriers to the adoption of health IT exist. The Department of Health and Human Services (HHS), as a regulator, purchaser, health care provider, and sponsor of research, education, and training, has been working to promote the use of IT in public and private health care settings. There is no comprehensive catalogue of HHS' health IT efforts, however, and little is known about the nature and extent of the legal barriers and HHS's efforts to address them. The Chairman, Senate Committee on Health, Education, Labor, …
Date:
August 13, 2004
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Preparation of northern mid-continent petroleum atlas
The prototype Digital Petroleum Atlas (DPA) Project is part of a long-term effort to develop a new methodology to provide efficient and timely access to the latest petroleum data and technology for the domestic oil and gas industry, public sector research organizations and local governmental units. The DPA provides real-time access through the Internet using widely available tools such as World-Wide-Web browsers. The latest technologies and information are published electronically when individual project components are completed removing the lag and expense of transferring technology using traditional paper publication. Active links, graphical user interfaces and database search mechanisms of the DPA provide a product with which the operator can interact in ways that are impossible in the paper publication. Contained in the DPA are forms of publication that can only be displayed in an electronic environment (for example, animated exploration histories through time). Improvement in data and technology access for the domestic petroleum industry represents one of the best and cost-effective options that is available for mitigating the continued decline in domestic production. The prototype DPA concentrated on developing methodologies and computerized procedures to generate and to publish a limited set of field and play studies concentrated in Kansas and to …
Date:
February 13, 1997
Creator:
Gerhard, Lee C.; Carr, Timothy R. & Watney, W. Lynn
Object Type:
Report
System:
The UNT Digital Library
Improved Recovery From Gulf of Mexico Reservoirs. Volume Ii (of 4): Task 5, Modify Publicly Available Simulators. Final Report, February 14, 1995--October 13, 1996
The objective for this portion of the research involved the continuation of the modifications of the public domain simulators BOAST and MASTER. The modifications continued during this project are generic relative to both BOAST and MASTER. BOAST was the primary concern during the research however, because MASTER as well.
Date:
January 13, 1997
Creator:
Kimbrell, W. C.; Bassiouni, Z. A. & Bourgoyne, A. T.
Object Type:
Report
System:
The UNT Digital Library
Multiscale Molecular Simulations at the Petascale (Parallelization of Reactive Force Field Model for Blue Gene/Q): ALCF-2 Early Science Program Technical Report
None
Date:
May 13, 2013
Creator:
Lange, A.W.; Nelson, G.; Knight, C.; Voth, G.A. (CLS-CI); LCF), ( & Chicago), (University of
Object Type:
Report
System:
The UNT Digital Library
An efficient compression scheme for bitmap indices
When using an out-of-core indexing method to answer a query, it is generally assumed that the I/O cost dominates the overall query response time. Because of this, most research on indexing methods concentrate on reducing the sizes of indices. For bitmap indices, compression has been used for this purpose. However, in most cases, operations on these compressed bitmaps, mostly bitwise logical operations such as AND, OR, and NOT, spend more time in CPU than in I/O. To speedup these operations, a number of specialized bitmap compression schemes have been developed; the best known of which is the byte-aligned bitmap code (BBC). They are usually faster in performing logical operations than the general purpose compression schemes, but, the time spent in CPU still dominates the total query response time. To reduce the query response time, we designed a CPU-friendly scheme named the word-aligned hybrid (WAH) code. In this paper, we prove that the sizes of WAH compressed bitmap indices are about two words per row for large range of attributes. This size is smaller than typical sizes of commonly used indices, such as a B-tree. Therefore, WAH compressed indices are not only appropriate for low cardinality attributes but also for high …
Date:
April 13, 2004
Creator:
Wu, Kesheng; Otoo, Ekow J. & Shoshani, Arie
Object Type:
Report
System:
The UNT Digital Library
Line-Based Object Recognition using Hausdorff Distance: From Range Images to Molecular Secondary Structure
Object recognition algorithms are fundamental tools in automatic matching of geometric shapes within a background scene. Many approaches have been proposed in the past to solve the object recognition problem. Two of the key aspects that distinguish them in terms of their practical usability are: (i) the type of input model description and (ii) the comparison criteria used. In this paper we introduce a novel scheme for 3D object recognition based on line segment representation of the input shapes and comparison using the Hausdor distance. This choice of model representation provides the flexibility to apply the scheme in different application areas. We define several variants of the Hausdor distance to compare the models within the framework of well defined metric spaces. We present a matching algorithm that efficiently finds a pattern in a 3D scene. The algorithm approximates a minimization procedure of the Hausdor distance. The output error due to the approximation is guaranteed to be within a known constant bound. Practical results are presented for two classes of objects: (i) polyhedral shapes extracted from segmented range images and (ii) secondary structures of large molecules. In both cases the use of our approximate algorithm allows to match correctly the pattern …
Date:
December 13, 2004
Creator:
Guerra, C & Pascucci, V
Object Type:
Article
System:
The UNT Digital Library
Implicit solvers for large-scale nonlinear problems
Computational scientists are grappling with increasingly complex, multi-rate applications that couple such physical phenomena as fluid dynamics, electromagnetics, radiation transport, chemical and nuclear reactions, and wave and material propagation in inhomogeneous media. Parallel computers with large storage capacities are paving the way for high-resolution simulations of coupled problems; however, hardware improvements alone will not prove enough to enable simulations based on brute-force algorithmic approaches. To accurately capture nonlinear couplings between dynamically relevant phenomena, often while stepping over rapid adjustments to quasi-equilibria, simulation scientists are increasingly turning to implicit formulations that require a discrete nonlinear system to be solved for each time step or steady state solution. Recent advances in iterative methods have made fully implicit formulations a viable option for solution of these large-scale problems. In this paper, we overview one of the most effective iterative methods, Newton-Krylov, for nonlinear systems and point to software packages with its implementation. We illustrate the method with an example from magnetically confined plasma fusion and briefly survey other areas in which implicit methods have bestowed important advantages, such as allowing high-order temporal integration and providing a pathway to sensitivity analyses and optimization. Lastly, we overview algorithm extensions under development motivated by current SciDAC …
Date:
July 13, 2006
Creator:
Keyes, D E; Reynolds, D & Woodward, C S
Object Type:
Article
System:
The UNT Digital Library
INCCA: Integrated Climate and Carbon
The INCCA (Integrated Climate and Carbon) initiative will develop and apply the ability to simulate the fate and climate impact of fossil fuel-derived carbon dioxide (CO{sub 2}) and aerosols on a global scale. Coupled climate and carbon cycle modeling like that proposed for INCCA is required to understand and predict the future environmental impacts of fossil fuel burning. At present, atmospheric CO{sub 2} concentrations are prescribed, not simulated, in large climate models. Credible simulations of the entire climate system, however, need to predict time-evolving atmospheric greenhouse forcing using anthropogenic emissions as the fundamental input. Predicting atmospheric COS concentrations represents a substantial scientific advance because there are large natural sources and sinks of carbon that are likely to change as a result of climate change. Both terrestrial (e.g., vegetation on land) and oceanic components of the carbon cycle are known to be sensitive to climate change. Estimates of the amount of man-made CO{sub 2} that will accumulate in the atmosphere depend on understanding the carbon cycle. For this reason, models that use CO{sub 2} emissions, not prescribed atmospheric concentrations, as fundamental inputs are required to directly address greenhouse-related questions of interest to policymakers. INCCA is uniquely positioned to make rapid progress …
Date:
March 13, 2001
Creator:
Thompson, S. L.
Object Type:
Report
System:
The UNT Digital Library