In 2021 in CoRR, what are the titles of the papers on Vessel segmentations?
What are the titles of the papers on Vessel segmentations that were published in CoRR in 2021?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/corr/abs-2109-13845> <https://dblp.org/rdf/schema#publishedIn> 'CoRR' . <https://dblp.org/rec/journals/corr/abs-2109-13845> <https://dblp.org/rdf/schema#yearOfPublication> '2021' . <https://dblp.org/rec/journals/corr/abs-2109-13845> <https://dblp.org/rdf/schema#title> ?answer }
<https://dblp.org/rec/journals/corr/abs-2109-13845>