Xarxa ferroviària i sistema de ciutats 

Álvarez Palau, Eduard (Fecha de defensa: 2015-12-18)

The relationship between the railway network and the city system has been the subject of numerous studies in recent decades. The railway has assumed great importance as a key element of transport infrastructure for the ...

Xarxes neuronals per a la generació de dissenys en blocs 

Bofill Soliguer, Pau (Fecha de defensa: 1997-11-04)

YAM^2: a multidimensional conceptual model 

Abelló Gamazo, Alberto (Fecha de defensa: 2002-04-26)

ABRSTRACT<br/>This thesis proposes YAM^2, a multidimensional conceptual model for OLAP(On-Line Analytical Processing). It is defined as an extension of UML (Unified Modeling Language). The aim is to benefit from Object-Oriented ...

Zero-thickness interface elements in petroleum geomechanics : sand production and hydraulic fracture 

Garolera Vinent, Daniel (Fecha de defensa: 2017-09-18)

This thesis describes the extension of the Finite Element Method with zero-thickness interface elements (FEM+z) to 3D, large and complex problems in geomaterials, with special interest in petroleum geomechanics. This general ...

Zero-touch service orchestration in 5G and beyond mobile networks 

Dalgkitsis, Anestis (Fecha de defensa: 2023-11-07)

(English) The expeditious growth and development of Beyond-5G and 6G networks inaugurated a new sector in the research of cellular networking. Automation and scaling are now considered a necessity to cope with the anticipated ...

Zipf extensions and their applications for modeling the degree sequences of real networks 

Duarte-López, Ariel (Fecha de defensa: 2021-02-05)

The Zipf distribution, also known as discrete Pareto distribution, attracts considerable attention because it helps describe skewed data from many natural as well as man-made systems. Under the Zipf distribution, the ...

Zona variable de confort térmico 

Chávez del Valle, Francisco Javier (Fecha de defensa: 2002-05-24)

Uno de los motivos de este trabajo es hacer una reflexión sobre el concepto actual de "confort en la arquitectura", sobre la dirección dominante que en este sentido han tomado los diseñadores contemporáneos y sobre las ...