Possibly stupid question, in general: why don't these papers have any dates? how do I know when it was published and whether it is up-to-date / still relevant?
replies(2):
In any case this is part of the 2022-2023 volume: https://www.vldb.org/pvldb/volumes/16/
(in particular https://www.vldb.org/pvldb/vol16/FrontMatterVol16No11.pdf -- July 2023)