Johann Gamper
Johann Gamper

Full Professor, Group Head
e-mail

Anton Dignös
Anton Dignös

Assistant Professor
e-mail

Ozan Kahramanogullari
Ozan Kahramanogullari

Assistant Professor
e-mail

Maryam Mozaffari
Maryam Mozaffari

Research Assistant
e-mail

Jerry W. Sangma
Jerry W. Sangma

Research Assistant
e-mail

Ionel Eduard Stan
Ionel Eduard Stan

Research Assistant
e-mail

Saifullah Burero
Saifullah Burero

PhD Candidate
e-mail

Adam Charane
Adam Charane

PhD Candidate
e-mail

Mohamed Sabri Hafidi
Mohamed Sabri Hafidi

PhD Candidate
e-mail

Kassem Sabeh
Kassem Sabeh

PhD Candidate
e-mail

Former members


  • Shahbaz Siddeeq (PhD Candidate)
  • Zeeshan Rasheed (PhD Candidate)
  • Samaneh Fathiozonbolagh (Research Assistant)
  • Hind Hamrouni (Research Assistant — now Alpitronic, IT)
  • Matteo Ceccarello (Assistant Professor — now University of Padova, IT)
  • Christina Khnaisser (Visiting Researcher — now Université de Sherbrooke, CA)
  • Saeid Masoumi (Research Assistant — now South Tyrol Association of Tourism Organisations, IT)
  • Leila Fathi (Research Assistant)
  • Meghdad Mirabi (Research Assistant — now TU Darmstadt, DE)
  • Tong Liu (Research Assistant — now Data Scientist, CN)
  • Saeed Fathollahzadeh (Research Assistant — now University of Graz, AT)
  • Fabio Persia (Assistant Professor — now University of L'Aquila, IT)
  • Giovanni Mahlknecht (PhD 2020 — now high school teacher, IT)
  • David B. Blumenthal (PhD 2019 — now FAU, DE)
  • Danila Piatov (PhD 2018 — now Google Zurich, CH)
  • Vincenzo Del Fatto (Assistant Professor — now ENEA, IT)
  • Sven Helmer (Associate Professor — now University of Zurich, CH)
  • Michael Shekelyan (PhD 2018 — now King's College London, UK)
  • Necati Duran (Research Assistant — now Software developer, TR)
  • Peter Moser (Research Assistant — now AboutBits, IT)
  • Theodoros Chondrogiannis (PhD 2017 — now Universität Konstanz, DE)
  • Paolo Bolzoni (PhD 2018 — now Dublin City University, UK)
  • Daniel Taliun (PhD 2014 — now University of Michigan, USA)
  • Nikolaus Augsten (Assistant Professor — now University of Salzburg, A)
  • Mateusz Pawlik (PhD 2014 — now University of Salzburg, A)
  • Bruno Cadonna (PhD 2013 — now SAP, DE)
  • Markus Innerebner (PhD 2013 — now HYDRO SAFETY vGmbH, IT)
  • Periklis Andritsos (Assistant Professor — now University of Toronto, CA)
  • Juozas Gordevicius (PhD 2010 — now Vilnius University, LT)
  • Andrej Taliun (PhD 2010)
  • Michael Böhlen (Full Professor — now University of Zurich, CH)
  • Igor Timko (Assistant Professor)
  • Arturas Mazeika (Assistant Professor — now ASC Technologies AG, DE)
  • Romans Kasperovics (PhD 2009 — now SAP, DE)
News
28.05.2024
Demo accepted at VLDB 2024

The demo paper "SEER: An End-to-End Toolkit for Benchmarking Time Series Database Systems in Monitoring Applications" by L. Althaus, M. Khayati, A. Khelifati, A. Dignös, D. Difallah, and P. Cudre-Mauroux has been accepted for publication at VLDB 2024 in Guangzhou, China.


10.05.2024
Presentation accepted at ISBRA 2024

Our paper "Causal Analysis in Bio-pathways via Stochastically Simulated Perturbations" by O. Kahramanogullari, A. Dignös, and J. Gamper has been accepted for presentation at ISBRA 2024 in Kunming, China.


09.05.2024
Paper accepted in ACM Computing Surveys

Our paper "Self-tuning Database Systems: A Systematic Literature Review of Automatic Schema Design and Tuning" by M. Mozaffari, A. Dignös, J. Gamper, and U. Störl has been accepted for publication in ACM Computing Surveys.


08.05.2024
Paper accepted at DAWAK 2024

Our paper "Comparison of Measures for Characterizing the Difficulty of Time Series Classification" by A. Charane, M. Ceccarello, and J. Gamper has been accepted for publication at DAWAK 2024 in Naples, Italy.


08.05.2024
Paper accepted at DAWAK 2024

Our paper "QPAVE: A Multi-task Question Answering Approach for Fine-Grained Product Attribute Value Extraction" by K. Sabeh, M. Kacimi, and J. Gamper has been accepted for publication at DAWAK 2024 in Naples, Italy.


08.05.2024
Paper accepted in Information Systems Frontiers

Our paper "Efficiently labeling and retrieving temporal anomalies in relational databases" by C. Khnaisser, H. Hamrouni, D. B. Blumenthal, A. Dignös, and J. Gamper has been accepted for publication in Information Systems Frontiers.


19.04.2024
Paper accepted at LPAR 2024

Our paper "Proof Search in Deep Inference: The Need for Shallow Inference" by O. Kahramanogullari has been accepted for publication at LPAR 2024 in Port Louis, Mauritius.


15.03.2024
Paper accepted at DASFAA 2024

Our paper "Parallel Processing of Temporal Anti-Joins in Memory using Modern Multi-Core Hardware" by I. Reppas, M. Mirabi, L. Fathi, C. Binnig, A. Dignös, and J. Gamper has been accepted for publication at DASFAA 2024 in Gifu, Japan.


31.01.2024
Paper accepted at DOLAP 2024

Our paper "Shapelets Evaluation using Silhouettes for Time Series Classification" by A. Charane, M. Ceccarello, and J. Gamper has been accepted for publication at DOLAP 2024 in Paestum, Italy.


11.07.2023
Best Paper Award at SSDBM 2023

Our paper "Indexing Temporal Relations for Range-Duration Queries" by M. Ceccarello, A. Dignös, J. Gamper, and C. Khnaisser has been selected for the best paper award at SSDBM 2023 in Los Angeles, CA, USA. Congratulations!


01.07.2023
Paper accepted at VLDB 2023

Our paper "TSM-Bench: Benchmarking Time Series Database Systems for Monitoring Applications" by A. Khelifati, M. Khayati, A. Dignös, D. Difallah, and P. Cudre-Mauroux has been accepted for publication at VLDB 2023 in Vancouver, Canada.


06.09.2022
Best Paper Award at ADBIS 2022

Our paper "Querying Temporal Anomalies in Healthcare Information Systems and Beyond" by C. Khnaisser, H. Hamrouni, D. B. Blumenthal, A. Dignös, and J. Gamper has been selected for the best paper award at ADBIS 2022 in Torino, Italy. Congratulations!


15.08.2022
Paper accepted at VLDB 2023

Our paper "Fast and Scalable Mining of Time Series Motifs with Probabilistic Guarantees" by M. Ceccarello and J. Gamper has been accepted for publication at VLDB 2023 in Vancouver, Canada.


04.03.2022
Paper accepted in Information Sciences

Our paper "Enumerating dissimilar minimum cost perfect and error-correcting bipartite matchings for robust data matching" by D. B. Blumenthal, S. Bougleux, A. Dignös and J. Gamper has been accepted in Information Sciences. [link]


12.01.2022
Paper published in The Journal of Supercomputing

Our paper "APT-Dt-KC: advanced persistent threat detection based on kill-chain model" by M. Panahnejad and M. Mirabi has been published in The Journal of Supercomputing. [link]


08.10.2021
Former PhD student David B. Blumenthal won the best PhD student award

We congratulate our former PhD student David B. Blumenthal for winning the best PhD student award from the Faculty of Computer Science of the Free University of Bozen-Bolzano for the year 2020. Congratulations David!


01.10.2021
Paper published in The Journal of Supercomputing

Our paper "Controller placement in software defined networks using multi-objective antlion algorithm" by M. M. Kazemian and M. Mirabi has been published in The Journal of Supercomputing. [link]


02.08.2021
Paper accepted in The VLDB Journal

Our paper "Leveraging Range Joins for the Computation of Overlap Joins" by A. Dignös, M. H. Böhlen, J. Gamper, C. S. Jensen and P. Moser has been accepted for publication in The VLDB Journal.


10.06.2021
Paper published in The Journal of Supercomputing

Our paper "Efficient XML data placement schemes over multiple mobile wireless broadcast channels" by S. F. Ozonbolagh and M. Mirabi has been published in The Journal of Supercomputing. [link]


19.05.2021
Paper accepted in Information Systems

Our paper "The Role of Local Dimensionality Measures in Benchmarking Nearest Neighbor Search" by M. Ceccarello and Martin Aumüller has been accepted for publication in Information Systems.


29.03.2021
Paper accepted in Information Systems

Our paper "Scalable generalized median graph estimation and its manifold use in bioinformatics, clustering, classification, and indexing" by D. B. Blumenthal, N. Boria, S. Bougleux, L. Brun, J. Gamper and B. Gaüzère has been accepted for publication in Information Systems.


03.02.2021
Demo accepted at EDBT 2021

Our demo paper "Correlation graph analytics for stock time series data" by T. Liu, P. Coletti, A. Dignös, J. Gamper and M. Murgia has been accepted for publication at EDBT 2021 in Nicosia, Cyprus.


18.11.2020
Paper accepted in The VLDB Journal

Our paper "Cache-Efficient Sweeping-Based Interval Joins for Extended Allen Relation Predicates" by D. Piatov, S. Helmer, A. Dignös, and F. Persia has been accepted for publication in The VLDB Journal.


03.10.2020
Paper accepted at ICDE 2021

Our research paper "Approximating multidimensional range counts with maximum error guarantees" by M. Shekelyan, A. Dignös, J. Gamper, and M. Garofalakis has been accepted for publication at ICDE 2021 in Chania, Greece.


06.08.2020
Paper published in TKDD

Our paper "A General Coreset-Based Approach to Diversity Maximization under Matroid Constraints" by M. Ceccarello, A. Pietracaprina, and G. Pucci has been published in ACM Transactions on Knowledge Discovery from Data. [link]


01.07.2020
Johann Gamper Demo Co-Chair of ICDE 2021

Johann has been appointed Demo Co-Chair of ICDE 2021 in Chania, Crete, Greece.


01.07.2020
Johann Gamper re-nominated Vice-Rector of unibz

We congratulate Johann for being re-nominated vice-rector for research and innovation at unibz. [more]


07.05.2020
PhD defense of Giovani Mahlknecht

Giovani successfully defended his PhD thesis entitled "Temporal Aggregation for Data Analytics". Congratulations Giovanni!


10.02.2020
Paper accepted in The VLDB Journal

Our paper "Finding k-Shortest Paths with Limited Overlap" by T. Chondrogiannis, P. Bouros, J. Gamper, U. Leser, and D. B. Blumenthal has been accepted for publication in The VLDB Journal.


01.12.2019
Paper accepted in Future Generation Computer Systems

Our paper "Improving orienteering-based tourist trip planning with social sensing" by F. Persia, G. Pilato, M. Ge, P. Bolzoni, D. D'Auria, and S. Helmer has been accepted for publication in Future Generation Computer Systems.


09.07.2019
PhD defense of David B. Blumenthal

David successfully defended his PhD thesis entitled "New Techniques for Graph Edit Distance Computation". Congratulations David!


08.06.2019
Paper accepted at SSTD 2019

Our research paper "Period Index: A Learned 2D Hash Index for Range and Duration Queries" by A. Behrend, A. Dignös, J. Gamper, P. Schmiegelt, H. Voigt, M. Rottmann, and K. Kahl has been accepted for publication at SSTD 2019 in Vienna, Austria.


06.06.2019
Demo accepted at SSTD 2019

Our demo paper "HOTPERIODS: Visual Correlation Analysis of Interval Data" by N. Duran, G. Mahlknecht, A. Dignös and J. Gamper has been accepted for publication at SSTD 2019 in Vienna, Austria.


26.05.2019
Paper accepted in The VLDB Journal

Our paper "Comparing heuristics for graph edit distance computation" by D. B. Blumenthal, N. Boria, J. Gamper, S. Bougleux, and L. Brun has been accepted for publication in The VLDB Journal.


27.02.2019
Paper accepted at GbRPR 2019

Our paper "GEDLIB: A C++ Library for Graph Edit Distance Computation" by D. B. Blumenthal, S. Bougleux, J. Gamper, and L. Brun has been accepted for publication at GbRPR 2019 in Tours, France. Check out the code here.


16.01.2019
Paper accepted at VLDB 2019

Our paper "Snapshot semantics for temporal mutliset relations" by A. Dignös, B. Glavic, X. Niu, J. Gamper, and M. H. Böhlen has been accepted for publication at VLDB 2019 in Los Angeles, USA.


01.10.2018
Johann Gamper nominated Vice-Rector of unibz

We congratulate Johann for being nominated vice-rector for research and innovation at unibz. [more]


01.08.2018
SSDBM 2018 in Bozen-Bolzano

We successfully concluded the SSDBM in Bozen-Bolzano. Pictures of the conference and mountain tour are available here.



Free University of Bozen-Bolzano
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