Neumann, ThomasMoerkotte, GuidoFreytag, Johann-ChristophRuf, ThomasLehner, WolfgangVossen, Gottfried2019-02-202019-02-202009978-3-88579-238-3https://dl.gi.de/handle/20.500.12116/20471Very recently, Cao et al. presented the MAPLE approach, which accelerates queries with multiple instances of the same relation by sharing their scan operator. The principal idea is to derive, in a first phase, a non-shared tree-shaped plan via a traditionenText/Conference Paper1617-5468