Results 51 to 60 of about 880 (162)
Hierarchical Topic Modeling of Twitter Data for Online Analytical Processing
Social platforms, such as Twitter, reveal much about the tastes of the public. Many studies focus on the content analysis of social platforms, which assists in product promotion and sentiment investigation. On the other hand, online analytical processing
Dongjin Yu +3 more
doaj +1 more source
OLAP (online analytical processing) is a key technology of business intelligence based on relational data. In big data era, people want to achieve high performance OLAP using a large cluster of ordinary nodes.
Xiaoyong Du, Yueguo Chen, Xiongpai Qin
doaj
Approximate Query Processing: What is New and Where to Go?
Online analytical processing (OLAP) is a core functionality in database systems. The performance of OLAP is crucial to make online decisions in many applications.
Kaiyu Li, Guoliang Li
doaj +1 more source
A new era of financial services: How AI enhances investment efficiency
International Studies of Economics, Volume 19, Issue 4, Page 578-588, December 2024.
Zhiyi Liu, Kai Zhang, Hongyi Zhang
wiley +1 more source
OLAP TECHNOLOGY AS DECISION-MAKING SUPPORT TOOL
The present article discloses the basic principles of work with OLAP technologies, shows key features in comparison with traditional systems of the reporting.
D. V. Akushko
doaj +1 more source
SSF-CDW: achieving scalable, secure, and fast OLAP query for encrypted cloud data warehouse
Implementing a cloud-based data warehouse to store sensitive or critical strategic data presents challenges primarily related to the security of the stored information and the exchange of OLAP queries between the cloud server and users.
Somchart Fugkeaw +2 more
doaj +1 more source
Decision support system for seismic risks
This paper focuses on prediction and prevention of seismic risk through a system for decision making. Data Warehousing and OLAP operations are applied, together with, data mining tools like association rules, decision trees and clustering to predict ...
María J. Somodevilla +5 more
doaj
Retrospective epidemiological analysis as regards infectious and parasitic diseases in the Astrakhan Region was carried out using the methods of complex multi-dimensional data analysis - OLAP.
V. A. Safronov +10 more
doaj +1 more source
Benchmarking Exploratory OLAP [PDF]
Supporting interactive database exploration (IDE) is a problem that attracts lots of attention these days. Exploratory OLAP (On-Line Analytical Processing) is an important use case where tools support navigation and analysis of the most interesting data, using the best possible perspectives.
Djedaini, Mahfoud +4 more
openaire +2 more sources
So far, data warehousing has often been discussed in the light of complex OLAP queries and as reporting facility for operative data. We argue that business planning as a means to generate plan data is an equally important cornerstone of a data warehouse system, and we propose it to be a first-class citizen within an OLAP engine.
Jaecksch, Bernhard +2 more
openaire +2 more sources

