Between 'Lightweight power line communications for Smart Grid applications with standard RFID tags' and 'Survey: Concentration Inequalities and Martingale Inequalities: A Survey', which paper was published earlier?
Which one was published first, 'Lightweight power line communications for Smart Grid applications with standard RFID tags' or 'Survey: Concentration Inequalities and Martingale Inequalities: A Survey'?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/globecom/HuettnerKMZ12> <https://dblp.org/rdf/schema#yearOfPublication> ?x . <https://dblp.org/rec/journals/im/ChungL06> <https://dblp.org/rdf/schema#yearOfPublication> ?y . BIND(IF(?x < ?y, <https://dblp.org/rec/conf/globecom/HuettnerKMZ12>, <https://dblp.org/rec/journals/im/ChungL06>) AS ?answer) }
<https://dblp.org/rec/conf/globecom/HuettnerKMZ12> <https://dblp.org/rec/journals/im/ChungL06>