CWI
Also listed as 4 other names
CWI / LDBC · CWI / VU University Amsterdam · CWI Database Architectures Group · Centrum Wiskunde & Informatica
Circuit mix
Where CWI shows up, by circuit. Each event counts once: 2 if it sponsored, 1 if it only had speakers. Hover a segment for the conference.
- Research67%12 events
- Postgres & open-source databases17%3 events
- Modern data stack & practitioner11%2 events
- Software engineering6%1 event
The year around now
Conferences where CWI sponsored or had speakers in the past 12 months, and the announced events it is already listed for. One row per conference, January to December; hover a mark for the event and the company's role.
Presence by conference and year
Each cell is one conference in one year. Fill shows the company sponsored, shaded by its best tier that year; a dot means it had speakers there. Hover for details; click to open the event.
- Title
- Platinum
- Gold
- Silver
- Bronze
- Other / unlabeled tier
- Had speakers
Activity by year
Three measures on one year axis; each panel has its own scale.
Conferences present at
Distinct conferences each year, split by whether the company sponsored or only had speakers there.
- Sponsored
- Speakers only
Distinct speakers
People from this company on a program that year, each counted once.
Where they've grown or pulled back
CWI has never sponsored a tracked conference, so this follows where its speakers appear instead.
DownHad speakers at 1 conference in 2026, down from 3 in 2023.
Counted per conference. 2026 is the latest year whose conferences have mostly happened. A conference counts as no longer seen only when later events published speaker lists.
New conferences spoken at 2
First speaker in 2025 or later.
No longer seen 5
No speakers since 2024 or earlier, though the conference published speaker lists after that.
- Budapest Data+AI Forumlast seen 2020; the conference ran again with speaker lists in 2021–26
- EDBT/ICDT Joint Conferencelast seen 2022; the conference ran again with speaker lists in 2023–26
- FOSDEMlast seen 2023; the conference ran again with speaker lists in 2024–26
- LDBC Technical User Community (TUC) Meetinglast seen 2024; the conference ran again with speaker lists in 2025–26
- PGConf NYC (Postgres Summit US from 2026)last seen 2022; the conference ran again with speaker lists in 2023–26
Regulars 1
Speakers in most years of the span.
- CIDR (Conference on Innovative Data Systems Research)speakers in 5 of 9 years, 2019–27
Lookalikes
Companies with the most similar conference footprint: they sponsor and speak at the same conferences. Bars are cosine similarity, from 0 (nothing shared) to 1 (identical).
- Stealth Startup0.75
- RedMonk0.74
- Claypot AI0.72
- Synopsys0.68
- Diagrid0.68
- Lightbend0.67
- Honeycomb0.67
- Mattermost0.66
17 Cluster: Current · Data Streaming Summit circuit →
Often sponsors alongside
Companies that sponsored the same events, by number of shared events (out of 0 this company sponsored).
No co-sponsors: this company has no recorded sponsorships, or sponsored alone.
Neighborhood: companies with nearby conference footprints
CWI (ringed) and the 30 companies closest to it on the company map. Close together means they sponsor and speak at many of the same conferences. Distances are only meaningful locally; the axes have no meaning. Dot size: conferences present at. Color: cluster.
Sponsorships 0
No sponsorships recorded for CWI.
Speakers 25
| Speaker | Event | Role | Talk | Links |
|---|---|---|---|---|
| Leonardo Kuffo | CIDR 2027 | paper | Rethinking Vector Search in Databases with Local Indexes | — |
| Peter Boncz | QCon London 2026 | speaker | Vector Search on Columnar Storage | — |
| Daniel ten Wolde | DuckCon #6 | lightning talk | Unlocking graph analytics in DuckDB with SQL/PGQ | — |
| Paul Gross | CIDR 2025 | paper | Adaptive Factorization Using Linear-Chained Hash Tables | — |
| Daniel ten Wolde | Nineteenth LDBC TUC Meeting | speaker | DuckPGQ: SQL/PGQ in DuckDB | Video |
| Peter Boncz | Eighteenth LDBC TUC Meeting | speaker | The state of DuckPGQ | Slides · Video |
| Peter Boncz | Eighteenth LDBC TUC Meeting | panelist | ISO GQL Panel | Slides · Video |
| Gabor Szarnyas | Sixteenth LDBC TUC Meeting | panelist | FinBench panel | Slides |
| Gabor Szarnyas | Sixteenth LDBC TUC Meeting | speaker | LDBC Social Network Benchmark and Graphalytics | Slides |
| Gabor Szarnyas | FOSDEM 2023 | speaker | The LDBC benchmark suite | Slides · Video |
| Gabor Szarnyas | FOSDEM 2023 | speaker | The LDBC Social Network Benchmark | Slides · Video |
| Daniel ten Wolde | CIDR 2023 | paper | DuckPGQ: Efficient Property Graph Queries in an analytical RDBMS | Slides · Video · Paper |
| Hannes Mühleisen | CIDR 2023 | keynote | Developing Systems in Academia: The Good, the Bad, and the Not-so-Ugly Duckling | Slides · Video |
| Ilaria Battiston | PGConf NYC 2022 | speaker | Benchmarking your commits: The Postgres Performance Farm | — |
| Daniël ten Wolde | Fifteenth LDBC TUC Meeting | speaker | Implementing SQL/PGQ in DuckDB | Slides · Video |
| David Püroja | Fifteenth LDBC TUC Meeting | speaker | LDBC Social Network Benchmark: Interactive workload v2.0 | Slides |
| Peter Boncz | EDBT/ICDT 2022 | keynote | The (sorry) State of Graph Database Systems | — |
| Gábor Szárnyas | Fourteenth LDBC TUC Meeting | speaker | Overview of LDBC benchmarks | Slides |
| Peter Boncz | Fourteenth LDBC TUC Meeting | speaker | State of the union | Slides |
| Dr. Hannes Mühleisen | Budapest Data Forum 2020 | speaker | Dodging the cost of scalability in data analysis with CPU efficiency | — |
| Hannes Mühleisen | FOSDEM 2020 | speaker | DuckDB | Video |
| Bogdan Ghita | CIDR 2020 | paper | White-box Compression: Learning and Exploiting Compact Table Representations | Paper |
| Mark Raasveldt | CIDR 2020 | paper | Data Management for Data Science - Towards Embedded Analytics | Paper |
| Per Fuchs | Twelfth LDBC TUC Meeting | speaker | Fast, scalable WCOJ graph-pattern matching on in-memory graphs in Spark | Slides |
| Martin Kersten | CIDR 2019 | paper | SQALPEL: A database performance platform | Paper |