BNAIC is the annual Benelux Conference on Artificial Intelligence. In 2018, the 30th edition of BNAIC was organized by the Jheronimus Academy of Data Science (JADS), under the auspices of the Benelux Association for Artificial Intelligence (BNVKI) and the Dutch Research School for Information and Knowledge Systems (SIKS). BNAIC 2018 took place in Marienburg, ’s-Hertogenbosch, Netherlands, on Thursday November 8 and Friday November 9, 2018. BNAIC 2018 included invited speakers, research presentations, posters, demonstrations, a special track on explainable AI, as well as a special industry track, also containing contributed/invited presentations.

The five BNAIC 2018 keynote speakers were:
–    Hinrich Schuetze, LMU Munich: Multilinguality: Boon or Bane for Representation Learning?
–    Rushed Kanawati, Universite Paris 13: Community Detection in Multiplex Networks: Algorithms and Applications
–    Gemma Boleda, Pompeu Fabra University: At the crossroad between discrete and continuous aspects of language
–    Eyke Huellermeier, Paderborn University: Towards On-the-Fly Machine Learning
–    Lukas Vermeer, Booking.com: Data Science vs. Data Alchemy

Also, three FACt talks (FACulty focusing on the FACts of Artificial Intelligence) were given:
–    Bert Kappen: Deep learning: it is time for something different
–    Ann Nowe: Towards explainable reinforcement learning
–    Koen Hindriks: Integrating System 1 and 2

For the regular BNAIC sessions, authors were invited to submit papers on all aspects of Artificial Intelligence. This year we have received 56 submissions in total. Of the 26 submitted Type A regular papers, 12 (46%) were accepted for oral presentation, and 9 (35%) for poster presentation. 5 (19%) were rejected. Of the 17 submitted Type B compressed contributions, 15 (88%) were accepted for oral presentation, and 2 (12%) for poster presentation. None were rejected. All 13 submitted Type C demonstration abstracts and Type D thesis abstracts were accepted, where 11 (85%) were accepted for oral presentation, and 2 (15%) for poster presentation. The selection was made using peer review. Each submission was assigned to at least three members of the program committee, and their expert reviews were the basis for the final decisions. All submissions accepted for oral or poster presentations and all demonstration abstracts appeared in the electronic preproceedings, made available on the conference web site during the conference (https://bnaic2018.nl/). A selection of the Type A regular papers accepted for oral presentation will appear in the postproceedings, to be published in the Springer CCIS series.

The BNAIC 2018 conference would not have been possible without the support and efforts of many. We thank the members of the program committee for their constructive and scholarly reviews. We are grateful to Arjan van den Born, Chris Emmery, Arjan Haring, and Laura Niemeijer for their reliable administrative support and local organization/coordination at JADS. We also wish to thank all student volunteers for enthusiastically helping out in many ways. A special thanks goes to Eric Postma for his invaluable support for BNAIC 2018 at JADS in many ways “behind the scenes”.

We are grateful to our sponsors for their generous support of the conference:
–    Target Holding
–    DIKW
–    SNN Adaptive Intelligence
–    SIKS
–    BNVKI
–    Stichting Knowledge-Based Systems (SKBS)