We are happy to announce the contents of 

--  Volume 88 of the Information Systems Journal  --

This edition contains a special section on "Extending Big Data Management via Semantics: Recent Innovations" by Guest Editors Alfredo Cuzzocrea and Timos Sellis


-- Regular articles --

Iván Santos-González, Alexandra Rivero-García, Mike Burmester, Jorge Munilla, 
Pino Caballero-Gil
Secure lightweight password authenticated key exchange for heterogeneous wireless 
sensor networks
Information Systems, Volume 88, 2020, 101423, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101423

Karim Alami, Nicolas Hanusse, Patrick Kamnang-Wanko, Sofian Maabout
The negative skycube
Information Systems, Volume 88, 2020, 101443, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101443

Cheng Long, Anhua Chen, Pakawadee Pengcharoen, Raymond Chi-Wing Wong
On optimal preference diffusion over social networks
Information Systems, Volume 88, 2020, 101441, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101441

Ioannis Flouris, Nikos Giatrakos, Antonios Deligiannakis, Minos Garofalakis
Network-wide complex event processing over geographically distributed data sources
Information Systems, Volume 88, 2020, 101442, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101442

Edans F.O. Sandes, George L.M. Teodoro, Alba C.M.A. Melo
Bitmap filter: Speeding up exact set similarity joins with bitwise operations
Information Systems, Volume 88, 2020, 101449, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101449

Taewoo Kim, Wenhai Li, Alexander Behm, Inci Cetindil, Rares Vernica, Vinayak Borkar, 
Michael J. Carey, Chen Li
Similarity query support in big data management systems
Information Systems, Volume 88, 2020, 101455, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101455

Ahmed Al-Baghdadi, Xiang Lian, En Cheng
Efficient Path Routing Over Road Networks in the Presence of Ad-Hoc Obstacles
Information Systems, Volume 88, 2020, 101453, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101453

Niels Martin, Benoît Depaire, An Caris, Dimitri Schepers
Retrieving the resource availability calendars of a process from an event log
Information Systems, Volume 88, 2020, 101463, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101463


-- Sepcial Section: Extending Big Data Management via Semantics: Recent Innovations --
Guest Editors: Alfredo Cuzzocrea and Timos Sellis

Alfredo Cuzzocrea, Timos Sellis
Extending Big Data Management via Semantics: Recent Innovations
Information Systems, Volume 88, 2020, 101464, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101464

Maurizio Lenzerini, Lorenzo Lepore, Antonella Poggi
Metaquerying made practical for OWL2QL ontologies
Information Systems, Volume 88, 2020, 101294, ISSN 0306-4379
https://doi.org/10.1016/j.is.2018.02.012

Mariana Soller Ramada, João Carlos da Silva, Plínio de Sá Leitão-Júnior
From keywords to relational database content: A semantic mapping method
Information Systems, Volume 88, 2020, 101460, ISSN 0306-4379
https://doi.org/10.1016/j.is.2019.101460


Editors-in-Chief
Felix Naumann, Dennis Shasha, Gottfried Vossen