Between '3D Space Path Planning of Complex Environmental Underwater Vehicle' and 'Using fMRI to decode true thoughts independent of intention to conceal', which paper was published earlier?
Which one was published first, '3D Space Path Planning of Complex Environmental Underwater Vehicle' or 'Using fMRI to decode true thoughts independent of intention to conceal'?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/cso/LiuD09> <https://dblp.org/rdf/schema#yearOfPublication> ?x . <https://dblp.org/rec/journals/neuroimage/YangHGDNB14> <https://dblp.org/rdf/schema#yearOfPublication> ?y . BIND(IF(?x < ?y, <https://dblp.org/rec/conf/cso/LiuD09>, <https://dblp.org/rec/journals/neuroimage/YangHGDNB14>) AS ?answer) }
<https://dblp.org/rec/conf/cso/LiuD09> <https://dblp.org/rec/journals/neuroimage/YangHGDNB14>