We are happy to announce the contents of 

++  Volume 97 of the Information Systems Journal  ++

Thu-Lan Dam, Sean Chester, Kjetil Norvag, Quang-Huy Duong
Efficient top-k recently-frequent term querying over spatio-temporal textual streams
Information Systems, Volume 97, 2021, 101687, ISSN 0306-4379
https://doi.org/10.1016/j.is.2020.101687

Edouard Fouche, Florian Kalinke, Klemens Boehm
Efficient subspace search in data streams
Information Systems, Volume 97, 2021, 101705, ISSN 0306-4379
https://doi.org/10.1016/j.is.2020.101705

Junhee Lee, Edman Anjos, Srinivasa Rao Satti
SJSON: A succinct representation for JSON documents
Information Systems, Volume 97, 2021, 101686, ISSN 0306-4379
https://doi.org/10.1016/j.is.2020.101686

Marcus Fischer, Adrian Hofmann, Florian Imgrund, Christian Janiesch, Axel Winkelmann
On the composition of the long tail of business processes: Implications from a process mining study
Information Systems, Volume 97, 2021, 101689, ISSN 0306-4379
https://doi.org/10.1016/j.is.2020.101689

Benjamin Fabian, Benedict Bender, Ben Hesseldieck, Johannes Haupt, Stefan Lessmann
Enterprise-grade protection against e-mail tracking
Information Systems, Volume 97, 2021, 101702, ISSN 0306-4379
https://doi.org/10.1016/j.is.2020.101702


Editors-in-Chief
Dennis Shasha, Gottfried Vossen, Matthias Weidlich