=Paper=
{{Paper
|id=Vol-3443/ESWC_2023_DMKG_paper_7042
|storemode=property
|title=A Cost Model to Optimize Queries over Heterogeneous Federations of RDF Data
            Sources
|pdfUrl=https://ceur-ws.org/Vol-3443/ESWC_2023_DMKG_paper_7042.pdf
|volume=Vol-3443
|authors=Sijin Cheng,Olaf Hartig
|dblpUrl=https://dblp.org/rec/conf/esws/ChengH23
}}
==A Cost Model to Optimize Queries over Heterogeneous Federations of RDF Data
            Sources==
<pdf width="1500px">https://ceur-ws.org/Vol-3443/ESWC_2023_DMKG_paper_7042.pdf</pdf>
<pre>
None
</pre>