The purpose of data warehouses is to enable business analysts to make better decisions. Over the years the technology has matured and data warehouses have become extremely successful. As a consequence, more and more data has been added to the data warehouses and their schemas have become increasingly complex. These systems still work great in order to generate pre-canned reports. However, with ...

Data warehouses and OLAP systems help to analyze complex multidimensional data and provide decision support. With the availability of large amounts of spatial data in recent years, several new models have been proposed to enable the integration of spatial data in data warehouses and to help analyze such data. This is often achieved by a combination of GIS and spatial analysis tools with OLAP an...

An approach for organizing the information in the data warehouses is presented in the paper. The possibilities of the numbered information spaces for building data warehouses are discussed. An application is outlined in the paper.

The maintenance of data warehouses is becoming an increasingly important topic due to the growing use, derivation and integration of digital information. Most previous work has dealt with one centralized data warehouse (DW) only. In this paper, we now focus on environments with multiple data warehouses that are possibly derived from other data warehouses. In such a large-scale environment, data...

Many data warehouses contain massive amounts of data and grow rapidly. Examples include warehouses with retail sales data capturing customer behavior and warehouses with click-stream data capturing user behavior on web sites. The sheer size of these warehouses makes them increasingly hard to manage and query efficiently. As time passes, old, detailed data in the warehouses tend to become less i...

One of the key indicators to measure sustainability and resilience a city during public health crisis is how well it can meet daily needs its residents. During COVID-19 lockdown in Shanghai 2022, e-commerce shopping delivery became most important method for ensuring city’s material supplies. This article uses distribution data fresh platform’s pre-warehouse static population establish basic sup...

Warehouses are an inevitable component in any supply chain and a vividly investigated object of research. Much attention, however, is absorbed by warehousing systems dedicated to the special needs online retailers business-to-consumer segment. Due ever increasing sales volumes e-commerce this focus seems self-evident, but much larger fraction retail still realized traditional brick-and-mortar s...