Blar i Department of Information Science and Media Studies på forfatter "Calvanese, Diego"
-
An Ontology-Based Framework for Geospatial Integration and Querying of Raster Data Cube Using Virtual Knowledge Graphs
Hamdani, Younes; Xiao, Guohui; Ding, Linfang; Calvanese, Diego (Journal article; Peer reviewed, 2023)The integration of the raster data cube alongside another form of geospatial data (e.g., vector data) raises considerable challenges when it comes to managing and representing it using knowledge graphs. Such integration ... -
A systematic overview of data federation systems
Gu, Zhenzhen; Corcoglioniti, Francesco; Lanti, Davide; Mosca, Alessandro; Xiao, Guohui; Xiong, Jing; Calvanese, Diego (Journal article; Peer reviewed, 2024)Data federation addresses the problem of uniformly accessing multiple, possibly heterogeneous data sources, by mapping them into a unified schema, such as an RDF(S)/OWL ontology or a relational schema, and by supporting ...