Results 71 to 80 of about 39,895 (306)
Leading advertisers efficiency evaluated by data envelopment analysis [PDF]
In this paper we analyze the problem of measuring the advertising efficiency of the Leading US Advertisers during the period 2001-2006. We use the DEA (Data Envelopment Analysis) approach that enables to evaluate the relative efficiency in case of ...
Andrea Ellero +2 more
core
Advanced Engineering Materials, EarlyView.This work shows that the mechanical performance of multimaterial digital light processing (DLP) printed thermoset composites is governed by resin compatibility and interfacial design rather than spatial patterning alone. Brittle and ductile resin combinations produced premature interfacial failure, while graded interfaces and mechanically compatible ...
Ahmed M. H. Ibrahim +3 more
wiley +1 more source
Maintaining the Regular Ultra Passum Law in data envelopment analysis [PDF]
The variable returns to scale data envelopment analysis (DEA) model is developed with a maintained hypothesis of convexity in input-output space. This hypothesis is not consistent with standard microeconomic production theory that posits an S-shape for ...
Ruggiero, John, Olesen, Ole B.
core
Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading
Advanced Engineering Materials, EarlyView.This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev +2 more
wiley +1 more source
Ranking Colombian research groups applying Data Envelopment Analysis
Revista Facultad de Ingeniería Universidad de Antioquia, 2014 Data Envelopment Analysis (DEA) is presented as a tool for productivity assessment and classifi cation of research groups. DEA models based on super-effi ciency and cross effi ciency together with cluster analysis for this classifi cation were ...
María Isabel Restrepo R. +1 more
doaj +1 more source
Design and Analysis of Compression–Torsion Coupling Metamaterials Using the Golden Section Method
Advanced Engineering Materials, EarlyView.A novel compression–torsion metamaterial is engineered using inclined rods and symmetry breaking. To optimize its torsional performance, the golden section method is employed. The mechanical response of the metamaterial is validated through both numerical analysis and experimental validation.
Amirhossein Hassani, Sara Bagherifard
wiley +1 more source
Evaluating hotel advertisements efficiency using data envelopment analysis
Journal of Business Economics and Management, 2004 This paper introduces popular methods for ranking alternatives with multiple inputs and multiple outputs in the DEA context. The ranking methods are based on different criteria.
Yossi Hadad +2 more
doaj +1 more source
Advanced Functional Materials, EarlyView.We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim +6 more
wiley +1 more source
Measuring Economic Growth Using Data Envelopment Analysis
Amfiteatru Economic, 2016 Exploring and explaining development gaps between countries is an important theoretical and empirical task. This paper presents empirical studies related to economic growth and its determinants across countries, based on the use of data envelopment ...
Marinko Škare , Danijela Rabar
doaj
Advanced Functional Materials, EarlyView.A 3D anisotropic hydrogel derived from heart extracellular matrix guides cytoskeletal alignment and nuclear remodeling in reprogrammed cardiomyocyte‐like cells. This study reveals how matrix alignment modulates nuclear envelope dynamics and chromatin state, triggering transcriptional and functional maturation.
Seung Ju Seo +7 more
wiley +1 more source