This paper reports on a recent study aimed at identifying the key factors influencing the development of the construction industry. From a list of 62 variables identified in earlier studies, a questionnaire survey was conducted. This quantitative study elicited views from 76 respondents and...

El objetivo de este trabajo es el desarrollo de modelos de factores dinámicos para generar estimaciones de crecimiento del PIB a corto plazo (nowcast) a escala regional. El uso de esta metodología permite incorporar, de una manera parsimoniosa, la información relevante disponible en el...

Artículo de revista ; The monitoring of the regional economic situation takes on particular importance in highly decentralised countries, such as Spain. Against this background, this article summarises the key aspects of the BayFaR model (Bayesian Factor model for Regions), a new tool used by...

Elektronische Marktplätze verändern seit den letzten Jahren immer häufiger bestehende Wertschöpfungsketten. Neben konventionellen Märkten entstehen globale Märkte, auf denen ortsunabhängig eine große Zahl von Anbietern und Kunden Handelstransaktionen abwickeln kann. Die große Zahl von...

Material resources affect the levels of mortality. In cross-sectional relationships income has been found to be positively associated with survival, both within and between countries. Preston (1975, 1976), in particular, using cross-national data for three separate decades of the 20th century,...

At the moment variety of methods and commercial tools are available that can be used to model business systems and implement data integrity constraints through the functionality of active database management systems. Unfortunately, these tools do not support data validation – the...

Dėl įvairių priežasčių duomenų bazėse saugomi duomenys genda, todėl vien riboti įvesti klaidingus duomenis nepakanka. Duomenų kokybė užtikrinama draudžiant įvesti klaidingus duomenis ir tikrinant bei valant duomenų bazėse saugomus duomenis. Klaidingų duomenų įvedimo ribojimai...

Current GIS are often described as rich in functionality but poor in knowledge content and transfer. This paper presents a prototype for communicating data quality in spatial databases using a hybrid design between data-driven and user-driven factors based upon traditional communication and...