Which one was published first, 'A Study on MIMO Interference Canceller for Reverse-Link in HAPS Multi-Gateways' or 'Benchmarking for Graph Transformation'?
Between 'A Study on MIMO Interference Canceller for Reverse-Link in HAPS Multi-Gateways' and 'Benchmarking for Graph Transformation', which paper was published earlier?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/vtc/FujiiOF20a> <https://dblp.org/rdf/schema#yearOfPublication> ?x . <https://dblp.org/rec/conf/vl/VarroSV05> <https://dblp.org/rdf/schema#yearOfPublication> ?y . BIND(IF(?x < ?y, <https://dblp.org/rec/conf/vtc/FujiiOF20a>, <https://dblp.org/rec/conf/vl/VarroSV05>) AS ?answer) }
<https://dblp.org/rec/conf/vtc/FujiiOF20a> <https://dblp.org/rec/conf/vl/VarroSV05>