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Showing 1 to 12 of 540 entries
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Detection of abusive language: the problem of biased datasets

science campus

Wiegand M.
GSID: mHyrHfZ22IgJ
M Wiegand, J Ruppenhofer… - Proceedings of the 2019 …, 2019 - aclanthology.org

We discuss the impact of data bias on abusive language detection. We show that classification scores on popular datasets reported in previous work are much lower under realistic settings in which this bias is reduced. Such biases are most...

Slowly but surely: gradual diversification and phenotypic evolution in the hyper-diverse tree fern family Cyatheaceae

STEM and diversification

Loiseau O, Rolland J, Weigand A.
GSID: 5QcF5lAUEa8J
O Loiseau, A Weigand, S Noben, J Rolland… - Annals of …, 2020 - academic.oup.com

… but low rates of diversification. We compared the rates of diversification across clades, modelled the … of body size and climatic preferences and tested for trait-dependent diversification. …

Bio-inspired micro-to-nanoporous polymers with tunable stiffness.

Beilstein journal of nanotechnology

Syurik J, Schwaiger R, Sudera P, Weyand S, Johnsen S, Wiegand G, Hölscher H.
PMID: 28503401
Beilstein J Nanotechnol. 2017 Apr 21;8:906-914. doi: 10.3762/bjnano.8.92. eCollection 2017.

No abstract available.

Impact of a Differential Learning Approach on Practical Exam Performance: A Controlled Study in a Preclinical Dental Course.

Journal of dental education

Pabel SO, Pabel AK, Schmickler J, Schulz X, Wiegand A.
PMID: 28864793
J Dent Educ. 2017 Sep;81(9):1108-1113. doi: 10.21815/JDE.017.066.

The aim of this study was to evaluate if differential learning in a preclinical dental course impacted the performance of dental students in a practical exam (preparation of a gold partial crown) immediately after the training session and 20...

Berry phase and band structure analysis of the Weyl semimetal NbP.

Scientific reports

Sergelius P, Gooth J, Bäßler S, Zierold R, Wiegand C, Niemann A, Reith H, Shekhar C, Felser C, Yan B, Nielsch K.
PMID: 27667203
Sci Rep. 2016 Sep 26;6:33859. doi: 10.1038/srep33859.

Weyl semimetals are often considered the 3D-analogon of graphene or topological insulators. The evaluation of quantum oscillations in these systems remains challenging because there are often multiple conduction bands. We observe de Haas-van Alphen oscillations with several frequencies in...

Visual Analysis of Inclusion Dynamics in Two-Phase Flow.

IEEE transactions on visualization and computer graphics

Karch GK, Beck F, Ertl M, Meister C, Schulte K, Weigand B, Ertl T, Sadlo F.
PMID: 28422684
IEEE Trans Vis Comput Graph. 2018 May;24(5):1841-1855. doi: 10.1109/TVCG.2017.2692781. Epub 2017 Apr 12.

In single-phase flow visualization, research focuses on the analysis of vector field properties. In two-phase flow, in contrast, analysis of the phase components is typically of major interest. So far, visualization research of two-phase flow concentrated on proper interface...

Hormonal regulatory mechanisms in obese children and adolescents after previous weight reduction with a lifestyle intervention: maintain - paediatric part - a RCT from 2009-15.

BMC obesity

Bau AM, Ernert A, Krude H, Wiegand S.
PMID: 27298729
BMC Obes. 2016 Jun 10;3:29. doi: 10.1186/s40608-016-0110-8. eCollection 2016.

BACKGROUND: Weight loss improves cardiovascular risk factors and "quality of life". Most therapeutic approaches fail to induce a sustained weight loss and most individuals undergo weight regain. In this paper the comprehensive design of the "MAINTAIN" study, all assessments...

Curcuminoid-BF.

Beilstein journal of organic chemistry

Weiss H, Reichel J, Görls H, Schneider KRA, Micheel M, Pröhl M, Gottschaldt M, Dietzek B, Weigand W.
PMID: 29114330
Beilstein J Org Chem. 2017 Oct 26;13:2264-2272. doi: 10.3762/bjoc.13.223. eCollection 2017.

Eight difluoroboron complexes of curcumin derivatives carrying alkyne groups containing substituents have been synthesized following an optimised reaction pathway. The complexes were received in yields up to 98% and high purities. Their properties as fluorescent dyes have been investigated....

Multimodality imaging of a subtotally obstructive right ventricular myxoma in an asymptomatic 10-year-old girl.

Annals of pediatric cardiology

Wiegand G, Sieverding L, Kramer U, Haen S, Hofbeck M.
PMID: 24987268
Ann Pediatr Cardiol. 2014 May;7(2):158-9. doi: 10.4103/0974-2069.132519.

A 10-year-old girl presented with a supraventricular tachycardia. A heart murmur was detected during a clinical examination; therefore, echocardiography was performed. This revealed a giant right ventricular myxoma that subtotally obstructed the right ventricular outflow tract. A myxoma in...

[P3Se4](+): A Binary Phosphorus-Selenium Cation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Feldmann KO, Wiegand T, Ren J, Eckert H, Breternitz J, Groh MF, Müller U, Ruck M, Maryasin B, Ochsenfeld C, Schön O, Karaghiosoff K, Weigand JJ.
PMID: 25960373
Chemistry. 2015 Jun 26;21(27):9697-712. doi: 10.1002/chem.201406476. Epub 2015 May 08.

Although a fairly large number of binary group 15/16 element cations have been reported, no example involving phosphorus in combination with a group 16 element has been synthesized and characterized to date. In this contribution is reported the synthesis...

Optical transmission properties of Pentelic and Paros marble.

Applied optics

Weigand R, García PA, Campos Acosta J, Storch de Gracia J.
PMID: 25967833
Appl Opt. 2015 Feb 01;54(4):B251-5. doi: 10.1364/AO.54.00B251.

Ancient Greek and Roman sources report that the statue of Zeus in Olympia had a head, and in particular eyes, similar to the description of Zeus by Homer, so we think that the statue was visible to the human...

GRB 130427A: a nearby ordinary monster.

Science (New York, N.Y.)

Maselli A, Melandri A, Nava L, Mundell CG, Kawai N, Campana S, Covino S, Cummings JR, Cusumano G, Evans PA, Ghirlanda G, Ghisellini G, Guidorzi C, Kobayashi S, Kuin P, La Parola V, Mangano V, Oates S, Sakamoto T, Serino M, Virgili F, Zhang BB, Barthelmy S, Beardmore A, Bernardini MG, Bersier D, Burrows D, Calderone G, Capalbi M, Chiang J, D'Avanzo P, D'Elia V, De Pasquale M, Fugazza D, Gehrels N, Gomboc A, Harrison R, Hanayama H, Japelj J, Kennea J, Kopac D, Kouveliotou C, Kuroda D, Levan A, Malesani D, Marshall F, Nousek J, O'Brien P, Osborne JP, Pagani C, Page KL, Page M, Perri M, Pritchard T, Romano P, Saito Y, Sbarufatti B, Salvaterra R, Steele I, Tanvir N, Vianello G, Wiegand B, Weigand B, Wiersema K, Yatsu Y, Yoshii T, Tagliaferri G.
PMID: 24263134
Science. 2014 Jan 03;343(6166):48-51. doi: 10.1126/science.1242279. Epub 2013 Nov 21.

Long-duration gamma-ray bursts (GRBs) are an extremely rare outcome of the collapse of massive stars and are typically found in the distant universe. Because of its intrinsic luminosity (L ~ 3 × 10(53) ergs per second) and its relative...

Showing 1 to 12 of 540 entries