128,803 research outputs found

    Maris,JJE_SciRep_2022_12_9595_open_data

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    Raw and processed simulation data for Maris, J. J. E., Rabouw, F. T., Weckhuysen, B. M. & Meirer, F. Classification-based motion analysis of single-molecule trajectories using DiffusionLab. Sci. Rep. 12, 9595 (2022). Details about files can be found in the README.txt files. Additional data is available via the group Inorganic Chemistry and Catalysis, [email protected], contact person Florian Meirer

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Professor Maris looking over a B-24 Liberator

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    School of Aviation Technology; Date: 7-9-62; Lafayette, Ind. - Prof. James R. Maris, director of aviation technology at Purdue, looks over a b-24 Liberator at Wright-Patterson Air Force Base, Dayton, Ohio, during a recent visit where he conducted a tour of the first Purdue Aerospace Education Workshop. Prof. Maris flew 32 missions over Europe in World War II in a bomber identical to this one.College of TechnologyAviation Technolog

    Dissertatio inauguralis sistens Analysin chemicam radicis Filicis maris

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    DISSERTATIO INAUGURALIS SISTENS ANALYSIN CHEMICAM RADICIS FILICIS MARIS Dissertatio inauguralis sistens Analysin chemicam radicis Filicis maris ([1]) Title page ([1]) Praefatio. ([3]) A. Extractio pulveris radicis Filicis maris cum Aqua destillata frigida ope preli extractivo-pneumatici. ([5]) B. Decoctio primi dimidii pulveris residui radicis Filicis maris cum Aqua destillata. (7) C. Decoctio alterius dimidii pulveris residui radicis Filicis maris cum Spiritu vini rectificatissimo. (9) D. Decoctio dimidii primi pulveris radicis Filicis maris cum Spiritu vini reactissimo. (11) E. Decoctio dimidiorum amborum pulveris radicis Filicis maris cum Acido muriatico diluto et Liquore Kali caustici diluto. (13) F. Analysis chemica Extracti aquosi sicci. (19) G. Analysis chemica Substantiae oleoso-resinosae. (24) H. Exploratio Extracti spirituoso-resinosi mollis. (28) I. Destillatio radicis Filicis maris recentis tam Aqua quam Spiritus vini ad inquirendum, an Oleum contineat aethereum. (28) Theses. ( -

    Perspective-taking accuracy on a conceptually complex problem

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    Perspective taking is the process of constructing an understanding of other persons' ways of conceptualizing and responding to situations. It involves the effortfulemployment of strategies that enable individuals to visualize, understand, anticipate, or predict the perceptions, thoughts, feelings, or actions of others. This is achieved when the observer attempts to create a mental model that corresponds to another's own mental model of situations. The present research was designed in the context of a model that views perspective taking as a process of constructing a representation that varies in difficulty according to (a) the degree of similarity between the perspective taker and the target person and (b) the degree of similarity between the perspective taker's own life situation and that of the person whose perspective is taken (target situation) (Cutting &Chinn, 2007). The perspective-taking problem provided to participants (college students enrolled in an educational psychology course) is unlike most prior research on perspective taking. It required them to predict how a conceptually novel target person (a villager living in Los Molinos, Peru) responded to a dissimilar situation (introduction of water purification practices). Multiple source documents on this topic provided opportunities for participants to seek out information and adjust their mental models accordingly. In addition, a variety of prompts and scaffolds to promote strategy use were examined for their influence on perspective-taking accuracy. Results from this study showed that brainstorming multiple predictions facilitated initial prediction accuracy and that new information in critical source documents enhanced final prediction accuracy. However, cognitive biases, such as rationalizing anomalous information and confirmation bias, interfered with correcting inaccurate predictions.Ph.D.Includes bibliographical references (150-163)by Maris F. Cuttin

    Prediction of soft X-ray photo-electron/absorption spectra by ab initio calculations

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    We present two different theoretical approaches used to predict the photoelectron and the photoabsorption and discuss their accuracy by comparison with new experimental data. The first method has been developed specifically for molecular inner shell excitation and ionization by Nobuhiro Kosugi since 1980 and implemented in the GSCF3 code. [1] Here the core ionized states and core-to-excited states transitions are solved within the Hartree-Fock approximation by explicitly taking into account the core hole. The excited orbitals to be singly occupied by the core-electron excitations are optimized within the STatic EXchange (STEX) method by freezing the core and the occupied valence HF orbitals of the corresponding core hole state. The calculations have been run for several molecules of biological interest (tyramine, tryptamine, tryptophol, barbituric and thiobarbituric acid) and the obtained XPS and NEXAFS spectra have been compared with the experimental results. [2] The second approach has been developed by Angela Acocella in order to investigate the onset of the ionization dynamics in photoelectron spectroscopy with a quantum-mechanical time-dependent propagator used to evolve the electronic wavefunction [3] with the aim to correlate it to the spectral analysis. In practice, the high energy of the incoming photon triggers a complicated re-organization of the wavefunction where the usually dominant one-photon contribution is combined with all the possible many-photon contributions of the same energy, together with the continuum states of the ionized electron. The presented model proved to reproduce with reasonable accuracy both XPS and UPS spectra of the coronene molecule. [4] [1] N. Kosugi and H. Kuroda, Chem. Phys. Lett. 74 (1980) 490. N. Kosugi and H. Kuroda, Chem. Phys. Lett., 94 (1983) 377. N. Kosugi, Theor. Chim. Acta, 72 (1987) 149. [2] M. Coreno, V. Feyer, O. Plekan, K. C. Prince, R. Richter; W. Caminati, L. Evangelisti, B. M. Giuliano, A. Maris, S. Melandri, manuscript in preparation. [3] A. Acocella, G. A. Jones and F. Zerbetto, J. Phys. Chem. A 110 (2006) 5164-5172. A. Acocella, F. Carbone and F. Zerbetto, J. Am. Chem. Soc., 132 (2010) 12166-12167. [4] A. Acocella, M. De Simone, F. Evangelista, M. Coreno and F. Zerbetto, paper submitted

    Hommages à Bernard Maris, 1946-2015

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    © B. Maris/RadioFrance 2015 _ _ _ Économiste lucide et penseur original, Bernard Maris vient de perdre tragiquement la vie. Nous déplorons vivement la perte d'une intelligence et d'une parole éclairantes. Ce site publiera prochainement une plus large réflexion sur sa pensée et son œuvre. Pour l'heure, nous vous proposons une revue de presse avec les renvois aux hommages déjà parus. Natacha Coquery, Cecilia D'Ercole & Émilien Ruiz _ _ _ Billets, articles et chroniques en hommages à Bernard Mar..

    A Neural Model of Landmark Navigation in Insects

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    Möller R, Maris M, Lambrinos D. A Neural Model of Landmark Navigation in Insects. Neurocomputing. 1999;26–27:801-808

    Analysis of Yield Spreads on Commercial Mortgage-Backed Securities

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    Yield spreads on commercial mortgage-backed securities (CMBS) are defined as the difference between the yield on CMBS and the yield on comparable-maturity Treasuries. CMBS yield spreads declined dramatically from 1992 until 1997, then increased in 1998 and 1999. The relationship between CMBS yield spreads and other variables is estimated in an effort to explain recent trends. Results identify several variables that are related to yield spreads on both fixed-rate and variable-rate CMBS. However, even after controlling for other observable factors, the yield spread on CMBS still declined from 1992 until 1997, then increased each of the next two years. Possible explanations for this phenomenon are explored.
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