نتایج جستجو برای: constraining factors

تعداد نتایج: 1088404  

Journal: :Chemical science 2017
Simon Grabowsky Alessandro Genoni Hans-Beat Bürgi

Approximate wavefunctions can be improved by constraining them to reproduce observations derived from diffraction and scattering experiments. Conversely, charge density models, incorporating electron-density distributions, atomic positions and atomic motion, can be improved by supplementing diffraction experiments with quantum chemically calculated, tailor-made electron densities (form factors)...

2015

In this paper the Regional Entrepreneurship and Development Index (REDI) has been constructed for capturing the contextual features of entrepreneurship across EU regions. The REDI method builds on the National Systems of Entrepreneurship Theory and provides a way to profile Regional Systems of Entrepreneurship. Important aspects of the REDI method including the Penalty for Bottleneck (PFB) anal...

2000
C. M. Maynard

We present results for the semi-leptonic and leptonic decays of B mesons. These non-perturbative matrix elements are important for constraining the CKM matrix. Results are presented for the pseudoscalar and vector decay constants, as well as flavour breaking ratios and heavy quark symmetry relations. We consider the chiral and momentum dependence of the semi-leptonic form factors of the decay B...

2008
G La Vacca

Upcoming Weak Lensing (WL) surveys can be used to constrain Dark Energy (DE) properties, namely if tomographic techniques are used to improve their sensitivity. In this work, we use a Fisher matrix technique to compare the power of CMB anisotropy and polarization data with tomographic WL data, in constraining DE parameters. Adding WL data to available CMB data improves the detection of all cosm...

Journal: :Journal of experimental psychology. Learning, memory, and cognition 2005
Jörg D Jescheniak Ansgar Hantsch Herbert Schriefers

Speakers are regularly confronted with the choice among lexical alternatives when referring to objects, including basic-level names (e.g., car) and subordinate-level names (e.g., Beetle). Which of these names is eventually selected often depends on contextual factors. The present article reports a series of picture-word interference experiments that explored how the designated target name (basi...

Journal: :Electr. Notes Theor. Comput. Sci. 2002
Pim van Leeuwen Henk Hesselink Jos Rohling

In this paper, an airport departure scheduling tool for aircraft is presented based on constraint satisfaction techniques. Airports are getting more and more congested with the available runway configuration as one of the most constraining factors. A possibility to alleviate this congestion is to assist controllers in the planning and scheduling process of aircraft. The prototype presented here...

1996
Brigitte Grote Eli Hagen Adelheit Stein Elke Teich

This article discusses speech production in dialogue from the perspective of natural language generation focusing on the selec tion of appropriate intonation We argue that in order to assign ap propriate intonation contours in speech producing systems it is vital to acknowledge the diversity of functions that intonation ful lls and to account for communicative and immediate contexts as major fa...

2007
Nathaniel Titterton Michael J. Clancy

This paper examines the benefits that can arise from increased use of labs in computer science instruction. While some use of labs is widespread in the earliest computer science courses, lecture and other “hands-off” time dominate. We have designed and run lower-division courses that successfully implement lab-centric instruction, in which the instructor contact time with students is either who...

Journal: :J. Semantics 2005
Angelika Kratzer

This note is a reply to "On the Lumping Semantics of Counterfactuals" by Makoto Kanazawa, Stefan Kaufmann, and Stanley Peters. It shows first that the first triviality result obtained by Kanazawa, Kaufmann, and Peters is already ruled out by the constraints on admissible premise sets listed in Kratzer (1989). Second, and more importantly, it points out that the results obtained by Kanazawa, Kau...

2014
Q. Zhu

Introduction Conclusions References

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