Results 61 to 70 of about 16,300 (303)

Desenvolvendo data warehouses baseados em intranet [PDF]

open access: yes, 2001
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Ciência da Computação.O objetivo deste trabalho é estudar e conhecer a tecnologia de Data warehouse para que ele possa ajudar os empresários
Dutra, Alessandra Costa Smolenaars
core  

Lunar‐Based Photothermal CO2 Reduction Strategy: Self‐Evolving Transient Active Interface and Band Engineering

open access: yesAdvanced Science, EarlyView.
A self‐evolving Pd/Ov‐FeTiO3 photothermal catalyst, inspired by lunar soil, enables efficient extraterrestrial CO2 conversion. The formation of transient active interfaces and oxygen vacancies extends light absorption to the infrared range and optimizes electron transfer.
Yahang Wang   +11 more
wiley   +1 more source

DATA WAREHOUSES – MODELS, TECHNIQUES AND APPLICATIONS

open access: yesTASK Quarterly, 2011
This paper discusses the basic concepts of modern data warehouses. It presents the multidimensional data model (logical model) and the physical model of a data warehouse, as well as selected design and implementation issues.
KRZYSZTOF GOCZYŁA
doaj  

Securing Document Warehouses against Brute Force Query Attacks

open access: yesБезопасность информационных технологий, 2017
The paper presents the scheme of data management and protocols for securing document collection against adversary users who try to abuse their access rights to find out the full content of confidential documents.
Sergey Vladimirovich Zapechnikov
doaj   +1 more source

Testing the Marketing Performance of German Wheat Farmers

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper analyses the marketing performance of wheat farmers in Germany. Wheat sales data from 465 individual farms over a 12‐year period are used to test against different market benchmarks. Market benchmarks are constructed by simulating passive trading agents using regional wheat prices.
Franziska Potts, Jens‐Peter Loy
wiley   +1 more source

Proposal of a health care network based on big data analytics for PDs

open access: yesThe Journal of Engineering, 2019
Health care networks for Parkinson's disease (PD) already exist and have been already proposed in the literature, but most of them are not able to analyse the vast volume of data generated from medical examinations and collected and organised in a pre ...
Leonarda Carnimeo   +11 more
doaj   +1 more source

4521 Collecting, Interpreting and Utilizing Retrospective Clinical Data from Data Warehouses

open access: yesJournal of Clinical and Translational Science, 2020
OBJECTIVES/GOALS: Utilizing clinical electronic health record (eHR) data pulled en masse from data warehouses provides unique challenges when applying it to retrospective studies.
Brandon Joseph Sonn, Andrew Monte
doaj   +1 more source

A framework for data cleaning in data warehouses [PDF]

open access: yes, 2008
It is a persistent challenge to achieve a high quality of data in data warehouses. Data cleaning is a crucial task for such a challenge. To deal with this challenge, a set of methods and tools has been developed.
Peng, Taoxin
core  

Schema Versioning in Data Warehouses [PDF]

open access: yes, 2004
As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage the changes that the data warehouse (DW) schema undergoes over time in response to evolving business requirements.
GOLFARELLI, MATTEO   +3 more
openaire   +2 more sources

U.S. Consumer Preferences for Cage‐Free Eggs and Hen Housing Policies

open access: yesAgribusiness, EarlyView.
ABSTRACT Farm animal welfare (FAW) continues to be a divisive issue in the egg industry. In the United States, 10 states and most major retailers have implemented policies or voluntary pledges to transition to 100% cage‐free egg sales. We use best‐worst scaling and discrete choice experiments to evaluate U.S.
Vincenzina Caputo   +3 more
wiley   +1 more source

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