What are the titles of the papers on Re- that were published in CoRR in 2020?
In the year 2020 in CoRR, what are the titles of the research papers on Re-?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/corr/abs-2007-04644> <https://dblp.org/rdf/schema#publishedIn> 'CoRR' . <https://dblp.org/rec/journals/corr/abs-2007-04644> <https://dblp.org/rdf/schema#yearOfPublication> '2020' . <https://dblp.org/rec/journals/corr/abs-2007-04644> <https://dblp.org/rdf/schema#title> ?answer }
<https://dblp.org/rec/journals/corr/abs-2007-04644>