LDBC was hosting a one-day hybrid workshop, co-located with VLDB 2021 on August 16 (Monday) between 16:00–20:00 CEST.
The physical part of the workshop was held in room Akvariet 2 of the Tivoli Hotel (Copenhagen), while the virtual part was hosted on Zoom. Our programme consisted of talks that provide an overview of LDBC’s recent efforts. Moreover, we have invited industry practitioners and academic researchers to present their latest results.
Talks were scheduled to be 10 minutes with a short Q&A session. We had three sessions. Their schedules are shown below.
[16:00–17:25 CEST] LDBC updates, benchmarks, query languages
| start | speaker | title |
|---|---|---|
| 16:00 | Peter Boncz (CWI) | State of the union – slides |
| 16:05 | Gábor Szárnyas (CWI) | Overview of LDBC benchmarks – slides |
| 16:12 | Mingxi Wu (TigerGraph) | LDBC Social Network Benchmark results with TigerGraph – slides |
| 16:24 | Xiaowei Zhu (Ant Group) | Financial Benchmark proposal – slides |
| 16:36 | Petra Selmer (Neo4j) | Status report from the Existing Languages Working Group (ELWG) – slides, video |
| 16:48 | Jan Hidders (Birkbeck) | Status report from the Property Graph Schema Working Group (PGSWG) – slides, video |
| 17:00 | Keith Hare (JCC Consulting) | Database Language Standards Structure and Process, SQL/PGQ – slides, video |
| 17:12 | Stefan Plantikow (GQL Editor) | Report on the GQL standard – slides, video |
coffee break (10 minutes)
[17:35–18:45 CEST] Systems and data structures
| start | speaker | title |
|---|---|---|
| 17:35 | Vasileios Trigonakis (Oracle Labs) | PGX.D aDFS: An Almost Depth-First-Search Distributed Graph-Querying System – slides, video |
| 17:47 | Matthias Hauck (SAP) | JSON, Spatial, Graph – Multi-model Workloads with SAP HANA Cloud – slides, video |
| 17:59 | Nikolay Yakovets (Eindhoven University of Technology) | AvantGraph – slides, video |
| 18:11 | Semih Salihoglu (University of Waterloo) | GRainDB: Making RDBMSs Efficient on Graph Workloads Through Predefined Joins – slides, video |
| 18:23 | Semyon Grigorev (Saint Petersburg University) | Context-free path querying: Obstacles on the way to adoption – slides, video |
| 18:35 | Per Fuchs (Technical University of Munich) | Sortledton: A universal, transactional graph data structure – slides, video |
coffee break (10 minutes)
[18:55-20:00 CEST] High-level approaches and benchmarks
| start | speaker | title |
|---|---|---|
| 18:55 | Angelos-Christos Anadiotis (Ecole Polytechnique and Institut Polytechnique de Paris) | Empowering Investigative Journalism with Graph-based Heterogeneous Data Management – slides, video |
| 19:07 | Vasia Kalavri (Boston University) | Learning to partition unbounded graph streams – slides, video |
| 19:19 | Muhammad Attahir Jibril (TU Ilmenau) | Towards a Hybrid OLTP-OLAP Graph Benchmark – slides, video |
| 19:31 | Riccardo Tommasini (University of Tartu) | An outlook on Benchmarks for Graph Stream Processing – slides, video |
| 19:43 | Mohamed Ragab (University of Tartu) | Benchranking: Towards prescriptive analysis of big graph processing: the case of SparkSQL – slides, video |