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in subjects: "Classification"

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Assessment of the potential of colloidal fuels in future energy usage. Final report. [97 references]

Pulverized coal has been an increasing important source of energy over the past century. Most large utility boilers, all modern coking plants, and many industrial boilers and blast furnaces employ pulverized coal as a major feed stream. In periods of oil shortages, such as during World Wars I and II, the concept of adding powdered coal to oil for use in combustion equipment originally designed for oil has been actively pursued but rarely used. Over this same period of time, there have been atte… more

Date: February 25, 1980

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Evaluation of filter media for clarification of partially dissolved residues containing plutonium

A common process in the chemical industry employs the leaching of a desirable component from an insoluble substrate, followed by filtration to produce a clarified solution of the desirable component and a discardable residue. The work described here involved evaluating sintered metal filter media for separating dissolved plutonium from undissolved residues generated at various locations owned by the Department of Energy throughout the United States. The work was performed during a six-week assi… more

Date: October 9, 1989

Creator: Foley, E.S.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

First-year evaluation of a nondestructive assay system for the examination of ORNL TRU waste

The Oak Ridge National Laboratory has been selected as the demonstration site for a new transuranic neutron assay system (NAS) developed at the Los Alamos National Laboratory. In addition, in order to meet specific ORNL program objectives, an upgraded segmented gamma-ray drum scanner has been integrated into the nondestructive assay (NDA) system to serve as a radioisotope identifier and as a quantitative assay backup to the NAS. A verification study, wherein selected waste drums will be emptied… more

Date: April 1, 1984

Creator: Schultz, F. J.; Haff, K. W.; Coffey, D. E.; Norris, L. B.; Caldwell, J. T.; Close, D. A. et al.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Special Projects Division. Quarterly report of progress, 1 January-31 March 1980

Draft versions of 5 of about 18 planned guidelines documents, designed to facilitate implementation of Environment, Safety, and Health (ES and H) Assurance programs, were completed this quarter. The conceptual design of the ES and H Assurance Program Information System was essentially completed this quarter. Some of the subtasks completed were: (1) the development of a method for classifying risk factors associated with a given hazard, (2) the development of a method of classifying known contro… more

Date: May 1, 1980

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Future accelerator technology

A general discussion is presented of the acceleration of particles. Upon this foundation is built a categorization scheme into which all accelerators can be placed. Special attention is devoted to accelerators which employ a wake-field mechanism and a restricting theorem is examined. It is shown how the theorem may be circumvented. Comments are made on various acceleration schemes.

Date: May 1, 1986

Creator: Sessler, Andrew M.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Final focus nomenclature

The formal names and common names for all devices in the final focus system of the SLC are listed. The formal names consist of a device type designator, microprocessor designator, and a four-digit unit number. (LEW)

Date: August 8, 1986

Creator: Erickson, R.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Review of the classical nova outburst

Observational studies have not only identified a new class of novae but theoretical simulations of this class have been found to be in excellent agreement with the observations. This new class consists of outbursts occurring on ONeMg white dwarfs in close binar systems in contrast to the other outbursts which are occurring on CO white dwarfs. We also review the effects of the ..beta../sup +/-unstable nuclei and show how their presence has a major effect on the evolution. 77 refs.

Date: June 1, 1986

Creator: Starrfield, S. & Sparks, W. M.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Low-level radioactive waste disposal at a humid site

Waste management in humid environments poses a continuing challenge because of the potential contamination of groundwater in the long term. Short-term needs for waste disposal, regulatory uncertainty, and unique site and waste characteristics have led to the development of a site-specific waste classification and management system proposed for the Oak Ridge Reservation. The overlying principle of protection of public health and safety is used to define waste classes compatible with generated wa… more

Date: March 1, 1987

Creator: Lee, D. W.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Designation of facility usage categories for Hanford Site facilities

This report summarizes the Hanford Site methodology used to ensure facility compliance with the natural phenomena design criteria set forth in the US Department of Energy Orders and guidance. The current Hanford Site methodology for Usage Category designation is based on an engineered feature's safety function and on the feature's assigned Safety Class. At the Hanford Site, Safety Class assignments are deterministic in nature and are based on teh consequences of failure, without regard to the l… more

Date: October 1, 1991

Creator: Woodrich, D. D.; Ellingson, D. R.; Scott, M. A. & Schade, A. R.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

New Mexico Geothermal Commercialization Program. Final report

The New Mexico Geothermal Commercialization Program was developed as a mission-oriented program aimed at accelerating the commercial utilization of geothermal resources. The program provided the US Department of Energy, the State of New Mexico, and the citizens of the state a technical and economic guide for geothermal applications and implementation. This was accomplished by developing market strategies, cultivating public outreach, serving as a broker where appropriate and by providing limite… more

Date: February 1, 1984

Creator: Scudella, G.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Characterization of U. S. energy resources and reserves

This report provides a comprehensive overview of the best available estimates of the total domestic energy potential within the United States. The array of energy sources include those appropriate for power generation, liquid fuels, and direct heat applications. The energy sources examined are: geothermal energy, solar energy, biomass energy, wind energy, shale oil, coal, petroleum, natural gas, peat, uranium, and hydropower. 37 refs., 7 figs., 59 tabs.

Date: December 1, 1989

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Design of Complex Systems in the presence of Large Uncertainties: a statistical approach

The design or optimization of engineering systems is generally based on several assumptions related to the loading conditions, physical or mechanical properties, environmental effects, initial or boundary conditions etc. The effect of those assumptions to the optimum design or the design finally adopted is generally unknown particularly in large, complex systems. A rational recourse would be to cast the problem in a probabilistic framework which accounts for the various uncertainties but also a… more

Date: July 31, 2007

Creator: Koutsourelakis, P

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Verification Survey of the Building 4059 Site (Phase B); Post Historical Site Assessment Sites, Block 1; and Radioactive Materials Handling Facility HOldup Pond (Site 4614), Santa Susana Field Laboratory, The Boeing Company, Ventura County, California

Confirm that the final radiological conditions were accurately and adequately described in the FSS documentation, relative to the established release criteria.

Date: June 6, 2008

Creator: Vitkus, T. J.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

TANK FARM CLOSURE - A NEW TWIST ON REGULATORY STRATEGIES FOR CLOSURE OF WASTE TANK RESIDUALS FOLLOWING NUREG

Waste from a number of single-shell tanks (SST) at the U.S. Department of Energy's (DOE) Hanford Site has been retrieved by CH2M HILL Hanford Group to fulfill the requirements of the 'Hanford Federal Facility Agreement and Consent Order (HFFACO) [1]. Laboratory analyses of the Hanford tank residual wastes have provided concentration data which will be used to determine waste classification and disposal options for tank residuals. The closure of tank farm facilities remains one of the most chall… more

Date: January 23, 2008

Creator: Lehman, L. L.; Mann, F. M. & Watson, D. J.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Radiological Scoping Survey of the Scotia Depot Scotia, New York

At the request of the Defense Logistics Agency, the Oak Ridge Institute for Science and Education conducted radiological scoping surveys of the Scotia Depot during the period of September 24 through 27, 2007. The scoping survey included visual inspections and limited radiological surveys performed in accordance with area classification that included surface scans, total and removable activity measurements, and soil sampling.

Date: February 5, 2005

Creator: Bailey, E. N.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Integrated Status and Effectiveness Monitoring Program, Entiat River Status and Trend Snorkel Surveys and Rotary Smolt Trap Operations in Nason Creek, March 2007 through March 2008.

The Integrated Status and Effectiveness Monitoring Program (ISEMP-BPA project No.2003-0017) has been created as a cost effective means of developing protocols and new technologies, novel indicators, sample designs, analytical, data management and communication tools and skills, and restoration experiments that support the development of a region-wide Research, Monitoring and Evaluation (RME) program to assess the status of anadromous salmonid populations, their tributary habitat and restoration… more

Date: March 10, 2008

Creator: Collins, Matthew; Jorgensen, John & Murdock, Keely

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

The SEGUE Stellar Parameter Pipeline. 1. Description and Initial Validation Tests

The authors describe the development and implementation of the SEGUE (Sloan Extension for Galactic Exploration and Understanding) Stellar Parameter Pipeline (SSPP). The SSPP derives, using multiple techniques, radial velocities and the fundamental stellar atmospheric parameters (effective temperature, surface gravity, and metallicity) for AFGK-type stars, based on medium-resolution spectroscopy and ugriz photometry obtained during the course of the original Sloan Digital Sky Survey (SDSS-I) and… more

Date: October 1, 2007

Creator: Lee, Young Sun; Beers, Timothy C.; Sivarani, Thirupathi; /Michigan State U. /Michigan State U., JINA; Allende Prieto, Carlos; Koesterke, Lars et al.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Tracking Multiple Topics for Finding Interesting Articles

We introduce multiple topic tracking (MTT) for iScore to better recommend news articles for users with multiple interests and to address changes in user interests over time. As an extension of the basic Rocchio algorithm, traditional topic detection and tracking, and single-pass clustering, MTT maintains multiple interest profiles to identify interesting articles for a specific user given user-feedback. Focusing on only interesting topics enables iScore to discard useless profiles to address ch… more

Date: January 3, 2008

Creator: Pon, R K; Cardenas, A F; Buttler, D J & Critchlow, T J

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Geochemical Signatures as a Tool for Vermiculite Provenance Determination

Thirty-eight samples of known origin (China, Libby MT, South Africa, South Carolina) and 6 vermiculite product samples of unknown origin were analyzed for major and trace elements, including rare earth elements to determine the feasibility of distinguishing the provenance of the samples based upon a geochemical signature. Probability plots suggest that two of the four groups (Libby, South Carolina) were comprised of two subgroups. Results of hierarchical cluster analysis are highly sensitive to… more

Date: September 1, 2008

Creator: Wright, Karen E. & Palmer, Carl D.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Resolving the sign ambiguity in the singular value decomposition.

Many modern data analysis methods involve computing a matrix singular value decomposition (SVD) or eigenvalue decomposition (EVD). Principal components analysis is the time-honored example, but more recent applications include latent semantic indexing, hypertext induced topic selection (HITS), clustering, classification, etc. Though the SVD and EVD are well-established and can be computed via state-of-the-art algorithms, it is not commonly mentioned that there is an intrinsic sign indeterminacy… more

Date: October 2007

Creator: Bro, Rasmus; Acar, Evrim & Kolda, Tamara Gibson

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Strengthening the foundations of proliferation assessment tools.

Robust and reliable quantitative proliferation assessment tools have the potential to contribute significantly to a strengthened nonproliferation regime and to the future deployment of nuclear fuel cycle technologies. Efforts to quantify proliferation resistance have thus far met with limited success due to the inherent subjectivity of the problem and interdependencies between attributes that lead to proliferation resistance. We suggest that these limitations flow substantially from weaknesses … more

Date: September 1, 2007

Creator: Rexroth, Paul E.; Saltiel, David H.; Rochau, Gary Eugene; Cleary, Virginia D.; Ng, Selena (AREVA NC, Paris, France); Greneche, Dominique (AREVA NC, Paris, France) et al.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Storage-Intensive Supercomputing Benchmark Study

Critical data science applications requiring frequent access to storage perform poorly on today's computing architectures. This project addresses efficient computation of data-intensive problems in national security and basic science by exploring, advancing, and applying a new form of computing called storage-intensive supercomputing (SISC). Our goal is to enable applications that simply cannot run on current systems, and, for a broad range of data-intensive problems, to deliver an order of mag… more

Date: October 30, 2007

Creator: Cohen, Jon; Dossa, Don; Gokhale, Maya; Hysom, David; May, John; Pearce, Roger et al.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Multi-Layer Perceptrons and Support Vector Machines for Detection Problems with Low False Alarm Requirements: an Eight-Month Progress Report

In this project, the basic problem is to automatically separate test samples into one of two categories: clean or corrupt. This type of classification problem is known as a two-class classification problem or detection problem. In what follows, we refer to clean examples as negative examples and corrupt examples as positive examples. In a detection problem, a classifier decision on any one sample can be grouped into one of four decision categories: true negative, true positive, false negative a… more

Date: January 9, 2007

Creator: Chen, Barry; Hickling, Tracy; Krnjajic, Milovan; Hanley, William; Clark, Grace; Nitao, John et al.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Leveraging Structure to Improve Classification Performance in Sparsely Labeled Networks

We address the problem of classification in a partially labeled network (a.k.a. within-network classification), with an emphasis on tasks in which we have very few labeled instances to start with. Recent work has demonstrated the utility of collective classification (i.e., simultaneous inferences over class labels of related instances) in this general problem setting. However, the performance of collective classification algorithms can be adversely affected by the sparseness of labels in real-w… more

Date: October 22, 2007

Creator: Gallagher, B. & Eliassi-Rad, T.

Item Type: Report

Partner: UNT Libraries Government Documents Department