[图书][B] Big data: Algorithms, analytics, and applications

KC Li, H Jiang, LT Yang, A Cuzzocrea - 2015 - books.google.com
As today's organizations are capturing exponentially larger amounts of data than ever, now
is the time for organizations to rethink how they digest that data. Through advanced …

Using a time granularity table for gradual granular data aggregation

N Iftikhar, TB Pedersen - Advances in Databases and Information Systems …, 2010 - Springer
The majority of today's systems increasingly require sophisticated data management as they
need to store and to query large amounts of data for analysis and reporting purposes. In …

Relational-based sensor data cleansing

N Iftikhar, X Liu, FE Nordbjerg - New Trends in Databases and Information …, 2015 - Springer
Today sensors are widely used in many monitoring applications. Due to some random
environmental effects and/or sensing failures, the collected sensor data is typically noisy …

Approche dirigée par les modèles pour l'implantation et la réduction d'entrepôts de données

F Atigui - 2013 - publications.ut-capitole.fr
Nos travaux se situent dans le cadre des systèmes d'aide à la décision reposant sur un
Entrepôt de Données multidimensionnelles (ED). Un ED est une collection de données …

Automatically aggregating data in database tables

K Bester, AT Chandler, MA Shewell… - US Patent 10,169,404, 2019 - Google Patents
(57) ABSTRACT A method for aggregating data in database tables. A com puter receives a
request to create an aggregation object comprising a set of related tables and aggregation …

OLAP analysis operators for multi-state data warehouses

F Ravat, J Song, O Teste - … Journal of Data Warehousing and Mining …, 2016 - igi-global.com
Abstract Data reduction in Multidimensional Data Warehouses (MDWs) allows increasing
the efficiency of analysis and facilitating decision-makers' tasks. In this paper, the authors …

Reducing multidimensional data

F Atigui, F Ravat, J Song, G Zurfluh - Data Warehousing and Knowledge …, 2014 - Springer
Our aim is to elaborate a multidimensional database reduction process which will specify
aggregated schema applicable over a period of time as well as retains useful data for …

Using a time granularity table for gradual granular data aggregation

N Iftikhar, TB Pedersen - Fundamenta Informaticae, 2014 - content.iospress.com
The majority of today's systems increasingly require sophisticated data management as they
need to store and to query large amounts of data for analysis and reporting purposes. In …

Facilitate effective decision-making by warehousing reduced data: is it feasible?

F Atigui, F Ravat, J Song, O Teste… - International Journal of …, 2015 - igi-global.com
The authors' aim is to provide a solution for multidimensional data warehouse's reduction
based on analysts' needs which will specify aggregated schema applicable over a period of …

Organic streams: Data aggregation and integration based on individual needs

X Zhou, Q Jin, B Wu, W Wang, J Pan… - … Joint Conference on …, 2013 - ieeexplore.ieee.org
With the high accessibility of the social media, more and more people have been
accustomed to sharing their personal contents across the social networks, which results in …