Towards Spatio-Temporal SOLAP
Pablo Bisceglia, Leticia Gomez, Alejandro Vaisman
TL;DR
This paper introduces TPiet-QL, a temporal query language for SOLAP systems that enables analysis of spatial data changes over time, addressing real-world scenarios involving discrete spatial modifications.
Contribution
It presents TPiet-QL, a novel temporal query language specifically designed for SOLAP systems to handle discrete spatial changes over time.
Findings
Supports expressing complex GIS-OLAP queries involving spatial changes
Enables analysis of land use and cadastral data over time
Addresses real-world spatial data evolution scenarios
Abstract
The integration of Geographic Information Systems (GIS) and On-Line Analytical Processing (OLAP), denoted SOLAP, is aimed at exploring and analyzing spatial data. In real-world SOLAP applications, spatial and non-spatial data are subject to changes. In this paper we present a temporal query language for SOLAP, called TPiet-QL, supporting so-called discrete changes (for example, in land use or cadastral applications there are situations where parcels are merged or split). TPiet-QL allows expressing integrated GIS-OLAP queries in an scenario where spatial objects change across time.
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Taxonomy
TopicsData Management and Algorithms · Advanced Database Systems and Queries · Geographic Information Systems Studies