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  • Artikel  (3)
  • Omernik ecoregions  (1)
  • computational linguistics  (1)
  • half-center oscillator  (1)
  • Springer  (3)
  • Informatik  (3)
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  • Artikel  (3)
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  • Springer  (3)
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  • 1
    Digitale Medien
    Digitale Medien
    The Bible as a Parallel Corpus: Annotating the ‘Book of 2000 Tongues’ (1999)
    Springer
    Computers and the humanities 33 (1999), S. 129-153 
    Details
    ISSN: 1572-8412
    Schlagwort(e): Bible ; computational linguistics ; parallel corpora ; Corpus Encoding Standard ; translation lexicons
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Medien- und Kommunikationswissenschaften, Kommunikationsdesign
    Notizen: Abstract We report on a project to annotate biblical texts in order to create an aligned multilingual Bible corpus for linguistic research, particularly computational linguistics, including automatically creating and evaluating translation lexicons and semantically tagged texts. The output of this project will enable researchers to take advantage of parallel translations across a wider number of languages than previously available, providing, with relatively little effort, a corpus that contains careful translations and reliable alignment at the near-sentence level. We discuss the nature of the text, our annotation process, preliminary and planned uses for the corpus, and relevant aspects of the Corpus Encoding Standard (CES) with respect to this corpus. We also present a quantitative comparison with dictionary and corpus resources for modern-day English, confirming the relevance of this corpus for research on present day language.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1001798929185
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 2
    Digitale Medien
    Digitale Medien
    Modeling the leech heartbeat elemental oscillator I. Interactions of intrinsic and synaptic currents (1995)
    Springer
    Journal of computational neuroscience 2 (1995), S. 215-235 
    Details
    ISSN: 1573-6873
    Schlagwort(e): central pattern generator ; half-center oscillator
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Medizin , Physik
    Notizen: Abstract We have developed a biophysical model of a pair of reciprocally inhibitory interneurons comprising an elemental heartbeat oscillator of the leech. We incorporate various intrinsic and synaptic ionic currents based on voltage-clamp data. Synaptic transmission between the interneurons consists of both a graded and a spike-mediated component. By using maximal conductances as parameters, we have constructed a canonical model whose activity appears close to the real neurons. Oscillations in the model arise from interactions between synaptic and intrinsic currents. The inhibitory synaptic currents hyperpolarize the cell, resulting in activation of a hyperpolarization-activated inward currentI h and the removal of inactivation from regenerative inward currents. These inward currents depolarize the cell to produce spiking and inhibit the opposite cell. Spike-mediated IPSPs in the inhibited neuron cause inactivation of low-threshold Ca++ currents that are responsible for generating the graded synaptic inhibition in the opposite cell. Thus, although the model cells can potentially generate large graded IPSPs, synaptic inhibition during canonical oscillations is dominated by the spike-mediated component.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00961435
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Using Linked Micromap Plots to Characterize Omernik Ecoregions (2000)
    Springer
    Data mining and knowledge discovery 4 (2000), S. 43-67 
    Details
    ISSN: 1573-756X
    Schlagwort(e): statistical graphics ; LM plots ; multivariate ; spatial data ; Omernik ecoregions ; row plots ; boxplots ; line-height plots
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik
    Notizen: Abstract The paper introduces linked micromap (LM) plots for presenting environmental summaries. The LM template includes parallel sequences of micromap, label, and statistical summary graphics panels with attention paid to perceptual grouping, sorting and linking of the summary components. The applications show LM plots for Omernik Level II Ecoregions. The summarized United States continental data includes USGS digital elevation, 30-year normal precipitation and temperature, and 8 million AVHRR pixels classified into 159 types of land cover. One LM plot uses a line-height glyph to represent all 159 land cover percentages per ecoregion. LM plots represent new visualization methodology that is useful in the data and knowledge based pattern representation and knowledge discovery process. The LM plots focus on providing an orienting overview. The overview provides a starting place for subsequent drilling down to what could otherwise be viewed as an overwhelming mass of data. The overview also provides a starting place to learn about the intellectual structure that lies behind the notion of ecoregions and begins to connect this abstract structure to quantitative methods.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1009828700017
    Standort Signatur Erwartet Verfügbarkeit
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