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Articles 1111 - 1140 of 5872
Full-Text Articles in Physical Sciences and Mathematics
The First Extrasolar Planet Discovered With A New-Generation High-Throughput Doppler Instrument, Jian Ge, Julian C. Van Eyken, Suvrath Mahadevan, Curtis Dewitt, Stephen R. Kane, Roger Cohen, Andrew Vanden Heuvel, Scott W. Fleming, Pengcheng Guo, Gregory W. Henry, Donald P. Schneider, Lawrence W. Ramsey, Robert A. Wittenmyer, Michael Endl, William D. Cochran, Eric B. Ford, Eduardo L. Martín, Garik Israelian, Jeff A. Valenti, David Montes
The First Extrasolar Planet Discovered With A New-Generation High-Throughput Doppler Instrument, Jian Ge, Julian C. Van Eyken, Suvrath Mahadevan, Curtis Dewitt, Stephen R. Kane, Roger Cohen, Andrew Vanden Heuvel, Scott W. Fleming, Pengcheng Guo, Gregory W. Henry, Donald P. Schneider, Lawrence W. Ramsey, Robert A. Wittenmyer, Michael Endl, William D. Cochran, Eric B. Ford, Eduardo L. Martín, Garik Israelian, Jeff A. Valenti, David Montes
Information Systems and Engineering Management Research Publications
We report the detection of the first extrasolar planet, ET-1 (HD 102195b), using the Exoplanet Tracker (ET), a new-generation Doppler instrument. The planet orbits HD 102195, a young star with solar metallicity that may be part of the local association. The planet imparts radial velocity variability to the star with a semiamplitude of 63.4 ± 2.0 m s-1 and a period of 4.11 days. The planetary minimum mass (m sin i) is 0.488MJ ± 0.015MJ. The planet was initially detected in the spring of 2005 with the Kitt Peak National Observatory (KPNO) 0.9 m coudé feed telescope. The detection was …
Nuclear Spectra Of Comet 28p Neujmin 1, Humberto Campins Phd, Julie Ziffer Phd, Javier Licandro, Noemí Pinilla-Alonso Phd, Yanga R. Fernández Phd, Julia De León Phd, Thais Mothé-Diniz Phd, Richard P. Binzel Phd
Nuclear Spectra Of Comet 28p Neujmin 1, Humberto Campins Phd, Julie Ziffer Phd, Javier Licandro, Noemí Pinilla-Alonso Phd, Yanga R. Fernández Phd, Julia De León Phd, Thais Mothé-Diniz Phd, Richard P. Binzel Phd
USM Physics Program
We present visible and near-IR spectra of the nucleus of comet 162P/Siding Spring (also known as 2004 TU12) obtained in 2004 December, while it had no detectable coma. This is the third object observed to have intermittent cometary activity even when relatively close to the Sun. The spectra show no strong features in this wavelength range. This paucity of deep absorptions is common among low-albedo asteroids and the few comet nuclei observed in this spectral region. Marginal spectral structure is observed in the visible spectrum, and beyond 2 μm the flux from the nucleus is dominated by thermal emission. We …
Nuclear Spectra Of Comet 162p/Siding Spring (2004 Tu12), Humberto Campins Phd, Julie Ziffer Phd, Javier Licandro, Noemí Pinilla-Alonso Phd, Yanga R. Fernández Phd, Julia De León Phd, Thais Mothé-Diniz Phd, Richard P. Binzel Phd
Nuclear Spectra Of Comet 162p/Siding Spring (2004 Tu12), Humberto Campins Phd, Julie Ziffer Phd, Javier Licandro, Noemí Pinilla-Alonso Phd, Yanga R. Fernández Phd, Julia De León Phd, Thais Mothé-Diniz Phd, Richard P. Binzel Phd
USM Physics Program
We present visible and near-IR spectra of the nucleus of comet 162P/Siding Spring (also known as 2004 TU12) obtained in 2004 December, while it had no detectable coma. This is the third object observed to have intermittent cometary activity even when relatively close to the Sun. The spectra show no strong features in this wavelength range. This paucity of deep absorptions is common among low-albedo asteroids and the few comet nuclei observed in this spectral region. Marginal spectral structure is observed in the visible spectrum, and beyond 2 μm the flux from the nucleus is dominated by thermal emission. We …
The Growing Together Guide: A Companion Resource To The New England Environmental Finance Center/Melissa Paly Film, New England Environmental Finance Center
The Growing Together Guide: A Companion Resource To The New England Environmental Finance Center/Melissa Paly Film, New England Environmental Finance Center
Smart Growth
What local leader or public official wants to be faced with an SOS the “same old story” of public discord and confrontation over growth and development in one’s community? That situation has become a problem for efforts to promote smart growth. Investments are needed in the walkable, compact, traditional‐streetscape and mixed use neighborhoods and developments that are more sustainable and healthy than sprawl, for both people and the landscape. Yet attempts at such change all too often end up mired in costly public controversy and stalemate.
Swindew-A P2p-Based Decentralized Workflow Management System, Jun Yan, Y. Yang, G. K. Raikundalia
Swindew-A P2p-Based Decentralized Workflow Management System, Jun Yan, Y. Yang, G. K. Raikundalia
Faculty of Informatics - Papers (Archive)
Workflow technology undoubtedly has been one of the most important domains of interest over the past decades, from both research and practice perspectives. However, problems such as potential poor performance, lack of reliability, limited scalability, insufficient user support, and unsatisfactory system openness are largely ignored. This research reveals that these problems are mainly caused by the mismatch between application nature, i.e., distributed, and system design, i.e., centralized management. Therefore, conventional approaches based on the client-server architecture have not addressed them properly so far. The authors abandon the dominating client-server architecture in supporting workflow because of its inherent limitations. Instead, the …
Using Constraint Hierarchies To Support Qos-Guided Service Composition, Ying Guan, Aditya K. Ghose, Zheng Lu
Using Constraint Hierarchies To Support Qos-Guided Service Composition, Ying Guan, Aditya K. Ghose, Zheng Lu
Faculty of Informatics - Papers (Archive)
A key impediment to the widespread adoption of web services is the is the relatively limited set of tools available to deal with Quality-of-Service (QoS) factors [12]. QoS factors pose several difficult challenges in how they may be articulated. While the functional requirements of a service can be represented as predicates to be satisfied by the target system, QoS factors are effectively statements of objectives to be maximized or minimized. QoS requirements occur naturally as local specifications of preference. Dealing with QoS factors is therefore a multi-objective optimization problem. In effect, these objectives are never fully satisfied, but satisficed to …
Using Assumptions In Service Composition Context, Z. Lu, Aditya K. Ghose, P. Hyland, Y. Guan
Using Assumptions In Service Composition Context, Z. Lu, Aditya K. Ghose, P. Hyland, Y. Guan
Faculty of Informatics - Papers (Archive)
Service composition aims to provide the efficient and accurate model of a service, based on which the global service oriented architecture (SOA) can be realized, allowing the value-added services to be generated on the fly. Because of distributed responsibilities, ownership, and control, often, it is not feasible to acquire all information needed for the service composition, thus there might be no guarantee that the service execution has an anticipated effect. In this paper, we are going to extend current Semantic Web Service Description by introducing the concept of "Service Assumption" which allows reasoning with incomplete information. Furthermore, together with the …
Fundamental And Biotechnological Applications Of Neutron Scattering Measurements For Macromolecular Dynamics, M. Tehei, R. Daniel, G. Zaccai
Fundamental And Biotechnological Applications Of Neutron Scattering Measurements For Macromolecular Dynamics, M. Tehei, R. Daniel, G. Zaccai
Faculty of Science - Papers (Archive)
To explore macromolecular dynamics on the picosecond timescale, we used neutron spectroscopy. First, molecular dynamics were analyzed for the hyperthermophile malate dehydrogenase from Methanococcus jannaschii and a mesophilic homologue, the lactate dehydrogenase from Oryctolagus cunniculus muscle. Hyperthermophiles have elaborate molecular mechanisms of adaptation to extremely high temperature. Using a novel elastic neutron scattering approach that provides independent measurements of the global flexibility and of the structural resilience (rigidity), we have demonstrated that macromolecular dynamics represents one of these molecular mechanisms of thermoadaptation. The flexibilities were found to be similar for both enzymes at their optimal activity temperature and the resilience …
Path-Sensitive Inference Of Function Precedence Protocols, Murali Krishna Ramanathan, Ananth Y. Grama, Suresh Jagannathan
Path-Sensitive Inference Of Function Precedence Protocols, Murali Krishna Ramanathan, Ananth Y. Grama, Suresh Jagannathan
Department of Computer Science Technical Reports
No abstract provided.
Deep-Water Antipatharians: Proxies Of Environmental Change, B. Williams, M.J. Risk, S.W. Ross, K.J. Sulak
Deep-Water Antipatharians: Proxies Of Environmental Change, B. Williams, M.J. Risk, S.W. Ross, K.J. Sulak
United States Geological Survey: Staff Publications
Deep-water (307–697 m) antipatharian (black coral) specimens were collected from the southeastern continental slope of the United States and the north-central Gulf of Mexico. The sclerochronology of the specimens indicates that skeletal growth takes place by formation of concentric coeval layers. We used 210Pb to estimate radial growth rate of two specimens, and to establish that they were several centuries old. Bands were delaminated in KOH and analyzed for carbon and nitrogen stable isotopes. Carbon values ranged from _16.4‰ to _15.7‰; the oldest specimen displayed the largest range in values. Nitrogen values ranged from 7.7‰ to 8.6‰. …
Documenting Decadal Spatial Changes In Seagrass And Acropora Palmata Cover By Aerial Photography Analysis In Vieques, Puerto Rico: 1937-2000, Luz Raquel Hernandez-Cruz, Samuel J. Purkis, Bernhard Riegl
Documenting Decadal Spatial Changes In Seagrass And Acropora Palmata Cover By Aerial Photography Analysis In Vieques, Puerto Rico: 1937-2000, Luz Raquel Hernandez-Cruz, Samuel J. Purkis, Bernhard Riegl
Marine & Environmental Sciences Faculty Articles
Aerial photographs from 1937–2000 of Bahía Salina del Sur on vieques, Puerto Rico were analyzed to detect and describe spatial changes in the areal cover of sea-grass beds in Bahía Salina del Sur. The images were pre-processed to minimize noise and unsupervised classification was used to detect areas colonized by seagrass. The number of individual seagrass patches, direction, and characteristic of growth were quantified and described. Seagrass coverage increased by 85.8% over the 64-yr period and this increase was best described by a 2nd order polynomial function (r2 = 0.91). Between 1937 and 2000, the spatial expression of the …
Significance Of Polycyclic Aromatic Hydrocarbons (Pahs) And Petroleum Biomarker Compounds In Contaminated Passaic River Sediments, Michael A. Kruge
Significance Of Polycyclic Aromatic Hydrocarbons (Pahs) And Petroleum Biomarker Compounds In Contaminated Passaic River Sediments, Michael A. Kruge
Department of Earth and Environmental Studies Faculty Scholarship and Creative Works
The lower Passaic River (northeastern New Jersey) flows through one of the most densely populated regions of the United States. The area’s long history of industrial activity is reflected in the complex and variable hydrocarbon composition of the river sediments. Sediments from river bottom grab samples at Newark and a 30 cm deep core at Kearny were subjected to thermal desorption-gas chromatography/mass spectrometry (TD-GC/MS). This technique offers a practical alternative for rapid, inexpensive analysis, simply employing milligram quantities of dry, disaggregated sediment, avoiding the use of hazardous organic solvents. For each sample, a total of 181 hydrocarbons and organosulfur compounds …
On The Η - Κ Distribution, Saralees Nadarajah, Samuel Kotz
On The Η - Κ Distribution, Saralees Nadarajah, Samuel Kotz
Department of Statistics: Faculty Publications
The recent paper by Yacoub et al. [1] introduces what is referred to as the η – κ distribution to describe the statistical variation of the envelope in a fast fading environment. The paper discusses several properties of the distribution. Two of the properties discussed are the nth moment, E(Pn), and the cumulative probability function (cpf), FPP (•), where P is a random variable representing the normalized envelope. The expression given for E(Pn) (see equation (10) in Yacoub et al. [1]) is a doubly infinite sum of the Gauss hypergeometric function …
On The Η – Κ Distribution, Saralees Nadarajah, Samuel Kotz
On The Η – Κ Distribution, Saralees Nadarajah, Samuel Kotz
Department of Statistics: Faculty Publications
The recent paper byYacoub et al. [1] introduces what is referred to as the η – κ distribution to describe the statistical variation of the envelope in a fast fading environment. The paper discusses several properties of the distribution. Two of the properties discussed are the nth moment, E(Pn), and the cumulative probability function (cpf), FP (•), where P is a random variable representing the normalized envelope. The expression given for E(Pn) (see equation (10) in Yacoub et al. [1]) is a doubly infinite sum of the Gauss hypergeometric function (which, itself, is an infinite …
Geomorphologic Controls On The Age Of Particulate Organic Carbon From Small Mountainous And Upland Rivers, El Leithold, Ne Blair, Dw Perkey
Geomorphologic Controls On The Age Of Particulate Organic Carbon From Small Mountainous And Upland Rivers, El Leithold, Ne Blair, Dw Perkey
VIMS Articles
To assess the role that erosion processes play in governing the character of particulate organic carbon (POC) discharged from small mountainous and upland rivers, a suite of watersheds from Oregon, California, and New Zealand was investigated. The rivers share similar geology, tectonic setting, and climate, but have sediment yields that range over 3 orders of magnitude. The (14)C age of the POC loads is highly correlated with sediment yield. Carbon isotope mass balances reveal that the rivers carry bimodal mixtures of modern-plant-and ancient-rock-derived OC. At lower yields, modern plant OC dominates the material delivered to the river by sheetwash and …
Numerical Computations In Us Undergraduate Physics Courses, Robert Fuller
Numerical Computations In Us Undergraduate Physics Courses, Robert Fuller
Robert G. Fuller Publications
A recent study conducted via email and Web surveys gathered responses from physics faculty members across the US about their use of numerical computations in the classroom. Responses showed a strong commitment to computational activities from some physics faculty and a frustration over the lack of such activities from others.
Volumes Of Critical Bubbles From The Nucleation Theorem, Gerald Wilemski
Volumes Of Critical Bubbles From The Nucleation Theorem, Gerald Wilemski
Physics Faculty Research & Creative Works
A corollary of the nucleation theorem due to Kashchiev [Nucleation: Basic Theory with Applications (Butterworth-Heinemann, Oxford, 2000)] allows the volume V* of a critical bubble to be determined from nucleation rate measurements. The original derivation was limited to one-component, ideal gas bubbles with a vapor density much smaller than that of the ambient liquid. Here, an exact result is found for multicomponent, nonideal gas bubbles. Provided a weak density inequality holds, this result reduces to Kashchiev's simple form which thus has a much broader range of applicability than originally expected. Limited applications to droplets are also mentioned, and the utility …
Exploring Relativistic Many-Body Recoil Effects In Highly Charged Ions, R. Soria Orts, Zoltan Harman, Jose R. Crespo Lopez-Urrutia, Anton N. Artemyev, Hjalmar Bruhns, Antonio J. Gonzalez, Ulrich D. Jentschura, Christoph H. Keitel, Alain Lapierre, Vladimir Sergeyevich Mironov, Vladimir M. Shabaev, Hiroyuki Tawara, I. I. Tupitsyn, Joachim Hermann Ullrich, Andrey V. Volotka
Exploring Relativistic Many-Body Recoil Effects In Highly Charged Ions, R. Soria Orts, Zoltan Harman, Jose R. Crespo Lopez-Urrutia, Anton N. Artemyev, Hjalmar Bruhns, Antonio J. Gonzalez, Ulrich D. Jentschura, Christoph H. Keitel, Alain Lapierre, Vladimir Sergeyevich Mironov, Vladimir M. Shabaev, Hiroyuki Tawara, I. I. Tupitsyn, Joachim Hermann Ullrich, Andrey V. Volotka
Physics Faculty Research & Creative Works
The relativistic recoil effect has been the object of experimental investigations using highly charged ions at the Heidelberg electron beam ion trap. Its scaling with the nuclear charge Z boosts its contribution to a measurable level in the magnetic-dipole (M1) transitions of B- and Be-like Ar ions. The isotope shifts of 36Ar versus 40Ar have been detected with sub-ppm accuracy, and the recoil effect contribution was extracted from the 1s22s22p 2P1/2-2P3/2 transition in Ar13+ and the 1s22s2p 3P1-3P2 transition …
An Investigation Of Electron Helicity Density In Bromocamphor And Dibromocamphor As A Source Of Electron Circular Dichroism, A.M. Scheer, Gordon A. Gallup, Timothy J. Gay
An Investigation Of Electron Helicity Density In Bromocamphor And Dibromocamphor As A Source Of Electron Circular Dichroism, A.M. Scheer, Gordon A. Gallup, Timothy J. Gay
Gordon Gallup Publications
We investigate the causes of electron-circular dichroism (ECD) in bromocamphor and dibromocamphor, focusing specifically on the electron helicity density of the target. Using electron transmission spectroscopy (ETS) and quantum chemical calculations, we have observed and assigned temporary negative ion states of bromocamphor and dibromocamphor. Further calculations were conducted to determine the helicity densities of these compounds. Large helicity densities are found in the regions of large wave function amplitude of the normally unoccupied molecular orbitals responsible for resonances in the scattering cross sections. We relate our ETS assignments and helicity density results to the chiral asymmetry data observed in electron-circular …
Models Of Forbidden Line Emission Profiles From Axisymmetric Stellar Winds., Richard Ignace, A. Brimeyer
Models Of Forbidden Line Emission Profiles From Axisymmetric Stellar Winds., Richard Ignace, A. Brimeyer
ETSU Faculty Works
A number of strong infrared forbidden lines have been observed in several evolved Wolf–Rayet (WR) star winds, and these are important for deriving metal abundances and testing stellar evolution models. In addition, because these optically thin lines form at large radius in the wind, their resolved profiles carry an imprint of the asymptotic structure of the wind flow. This work presents model forbidden line profile shapes formed in axisymmetric winds. It is well known that an optically thin emission line formed in a spherical wind expanding at constant velocity yields a flat-topped emission profile shape. Simulated forbidden lines are produced …
Crosshole Radar Tomography In A Fluvial Aquifer Near Boise, Idaho, William P. Clement, Warren Barrash
Crosshole Radar Tomography In A Fluvial Aquifer Near Boise, Idaho, William P. Clement, Warren Barrash
Geosciences Faculty Publications and Presentations
To determine the distribution of heterogeneities in the saturated zone of an unconfined aquifer in Boise, ID, we compute tomograms for three adjacent well pairs. The fluvial deposits consist of unconsolidated cobbles and sands. We used a curved-ray, finite-difference approximation to the eikonal equation to generate the forward model. The inversion uses a linearized, iterative scheme to determine the slowness distribution from the first arrival traveltimes. The tomograms consist of a layered zone representing the saturated aquifer. The velocities in this saturated zone range between 0.06 to 0.10 m/ns. We use a variety of methods to assess the reliability of …
Detection Of A Far-Infrared Bow Shock Nebula Around R Hya: The First Miriad Results, T. Ueta, A. K. Speck, R. E. Stencel, F. Herwig, R. D. Gehrz, R. Szczerba, H. Izumiura, A. A. Zijlstra, W. B. Latter, M. Matsuura, M. Meixner, M. Steffen, Moshe Elitzur
Detection Of A Far-Infrared Bow Shock Nebula Around R Hya: The First Miriad Results, T. Ueta, A. K. Speck, R. E. Stencel, F. Herwig, R. D. Gehrz, R. Szczerba, H. Izumiura, A. A. Zijlstra, W. B. Latter, M. Matsuura, M. Meixner, M. Steffen, Moshe Elitzur
Physics and Astronomy Faculty Publications
We present the first results of the MIRIAD (MIPS InfraRed Imaging of AGB Dust shells) project using the Spitzer Space Telescope. The primary aim of the project is to probe the material distribution in the extended circumstellar envelopes (CSEs) of evolved stars and recover the fossil record of their mass-loss history. Hence, we must map the whole of the CSEs plus the surrounding sky for background subtraction while avoiding the central star that is brighter than the detector saturation limit. With our unique mapping strategy, we have achieved better than 1 MJy sr-1 sensitivity in 3 hr of …
First Record Of The Least Shrew In Wyoming; And Clostridium Perfingens Type A Enterotoxemia In A Captive Adult White-Tailed Deer, Shauna R. Marquardt, Brian C. Bartels, Cheryl A. Schmidt, Joshua A. Delger, Kevin L. Monteith, Jonathan A. Jenks
First Record Of The Least Shrew In Wyoming; And Clostridium Perfingens Type A Enterotoxemia In A Captive Adult White-Tailed Deer, Shauna R. Marquardt, Brian C. Bartels, Cheryl A. Schmidt, Joshua A. Delger, Kevin L. Monteith, Jonathan A. Jenks
The Prairie Naturalist
First Record of the Leaast Shrew in Wyoming by Shauna R. Marquardt, Brian C. Bartels, and Cheryl A. Schmidt; and Clostridium perfingens Type A Enterotoxemia in a Captive Adult White-tailed Deer by Joshua A. Delger , Kevin L. Monteith, and Jonathan A. Jenks.
Laser Ablation Of Optically Thin Absorbing Liquid Layer Predeposited Onto A Transparent Solid Substrate, S. I. Kudryashov, K. Lyon, S. D. Shukla, D. Murry, S. D. Allen
Laser Ablation Of Optically Thin Absorbing Liquid Layer Predeposited Onto A Transparent Solid Substrate, S. I. Kudryashov, K. Lyon, S. D. Shukla, D. Murry, S. D. Allen
Mechanical Engineering - Daytona Beach
Ablation of optically thin liquid 2-propanol layers of variable thickness on IR-transparent solid Si substrate by a nanosecond CO 2laser has been experimentally studied using time-resolved optical interferometric and microscopy techniques. Basic ablation parameters - threshold fluences for surface vaporization and explosive homogeneous boiling of the superheated liquid, ablation depths, vaporization (ablation) rates, and characteristic ablation times versus laser fluence - were measured as a function of alcohol layer thickness. The underlying ablation mechanisms, their thermodynamics, and microscopic details are discussed.
c 2006 American Institute of Physics
Green And Blue Lasers Are Ineffectivefor Dispersing Deer At Night, Kurt C. Vercauteren, Jason M. Gilsdorf, Scott E. Hygnstrom, Paul B. Fioranelli, John A. Wilson, Scott Barras
Green And Blue Lasers Are Ineffectivefor Dispersing Deer At Night, Kurt C. Vercauteren, Jason M. Gilsdorf, Scott E. Hygnstrom, Paul B. Fioranelli, John A. Wilson, Scott Barras
United States Department of Agriculture Wildlife Services: Staff Publications
Over-abundant populations of white-tailed deer (Odocoileus virginianus) create agriculturaland human health and safety issues. The increased economic damage associated with locally overabundant deer populations accentuates the need for efficient techniques to mitigate the losses. Although red lasers can be an efficient tool for reducing damage caused by birds, they are not effective for deer because deer cannot detect wavelengths in the red portion of the spectrum. No research has been conducted to determine if lasers of lower wavelengths could function as frightening devices for deer. We evaluated agreen laser (534nm, 120mW)and 2 models of blue lasers (473nm, 5 mW and …
Wmi Outdoor News Bulletin * September 2006, Volume 60, No. 9
Wmi Outdoor News Bulletin * September 2006, Volume 60, No. 9
Wildlife Management Institute Outdoor News Bulletin
Contents: Related meeting and function requests being accepted for 72nd North American Conference Waterfowl gain reprieve from plan to expand oil and gas development in Alaska Matt Dunfee to join WMI Antis take a shot at the mourning dove hunting season in Michigan McGraw Wildlife Foundation extends the Conservation Leaders for Tomorrow program New CRP initiative in Prairie Pothole Region bodes well for ducks Oil shale potential in the West rises once again Workshop on aquatic nuisance species slated for North American Conference Exhibiting at the 72nd North American ConferenceU.S. citizens strongly back hunting and fishing Worth reading: House …
Optimal Adaptation In Web Processes With Coordination Constraints, Kunal Verma, Prashant Doshi, Karthik Gomadam, John A. Miller, Amit P. Sheth
Optimal Adaptation In Web Processes With Coordination Constraints, Kunal Verma, Prashant Doshi, Karthik Gomadam, John A. Miller, Amit P. Sheth
Kno.e.sis Publications
We present methods for optimally adapting Web processes to exogenous events while preserving inter-service constraints that necessitate coordination. For example, in a supply chain process, orders placed by a manufacturer may get delayed in arriving. In response to this event, the manufacturer has the choice of either waiting out the delay or changing the supplier. Additionally, there may be compatibility constraints between the different orders, thereby introducing the problem of coordination between them if the manufacturer chooses to change the suppliers. We focus on formulating the decision making models of the managers, who must adapt to external events while satisfying …
N-(2-Aminobenzyl)-N,N-Bis(Quinolin- 2-Ylmethyl)Amine, Abhijit Mitra, Pamela J. Seaton, Kraig A. Wheeler
N-(2-Aminobenzyl)-N,N-Bis(Quinolin- 2-Ylmethyl)Amine, Abhijit Mitra, Pamela J. Seaton, Kraig A. Wheeler
Faculty Research and Creative Activity
The title new diquinaldine derivative, C27H24N4, forms molecular assemblies organized by intermolecular quinoline π–π stacking [3.356 (3) and 3.440 (3) Å] and both inter- and intramolecular N—H⋯N hydrogen bonds [3.039 (3)–3.104 (3) Å and 129 (2)–172 (2)°]. The combination of such interactions provides readily definable contacts that propagate along each crystallographic axis.
Semantic Interoperability Of Web Services - Challenges And Experiences, Meenakshi Nagarajan, Kunal Verma, Amit P. Sheth, John A. Miller, Jonathan Lathem
Semantic Interoperability Of Web Services - Challenges And Experiences, Meenakshi Nagarajan, Kunal Verma, Amit P. Sheth, John A. Miller, Jonathan Lathem
Kno.e.sis Publications
With the rising popularity of Web services, both academia and industry have invested considerably in Web service description standards, discovery, and composition techniques. The standards based approach utilized by Web services has supported interoperability at the syntax level. However, issues of structural and semantic heterogeneity between messages exchanged by Web services are far more complex and crucial to interoperability. It is for these reasons that we recognize the value that schema/data mappings bring to Web service descriptions. In this paper, we examine challenges to interoperability; classify the types of heterogeneities that can occur between interacting services and present a possible …
Flexible Querying Of Xml Documents, Krishnaprasad Thirunarayan, Trivikram Immaneni
Flexible Querying Of Xml Documents, Krishnaprasad Thirunarayan, Trivikram Immaneni
Kno.e.sis Publications
Text search engines are inadequate for indexing and searching XML documents because they ignore metadata and aggregation structure implicit in the XML documents. On the other hand, the query languages supported by specialized XML search engines are very complex. In this paper, we present a simple yet flexible query language, and develop its semantics to enable intuitively appealing extraction of relevant fragments of information while simultaneously falling back on retrieval through plain text search if necessary. We also present a simple yet robust relevance ranking for heterogeneous document-centric XML.