Presented at the Eighth openCypher Implementers Group Meeting in April 2018 @ http://www.opencypher.org/event/2018/04/11/ocig8/

1. The Eighth Meeting of the
openCypher Implementers Group
(oCIG 8)
Wednesday, 11 April 2018
Petra Selmer (Neo4j)

2. Agenda
Introductions
oCIG updates (Petra Selmer, Neo4j)
Multiple graphs and query composition (Stefan Plantikow, Neo4j)
Progress report on the DateTime CIP (Tobias Lindaaker, Neo4j)
---Any other items?---
This session will be recorded and uploaded later

3. Introductions...
Welcome to all new members!

4. What’s been happening since oCIG 7?
[March 2018]

5. CIRs
CIR-2018-307: “ASCII Art” graph schema
Representing the structure and typed property sets of labels (from recent work on SQL graph data source
integration) in the style of Cypher
CIR-2018-311: Syntax modifications to Cypher path patterns to permit use in SQL
Proposes a set of new rules for Cypher pattern syntax with additional alternate representations so that a
subset of an expanded Cypher syntax can be used in the SQL standard for property graph path patterns
Comments and CIPs welcome!

6. Conferences
EDBT/ICDT 2018 Joint Conference (International Conference on Extending
Database Technology/ International Conference on Database Theory)
March 2018, Vienna, Austria
openCypher: New Directions in Property Graph Querying (Petra Selmer & Martin Junghanns, Neo4j)
Third Budapest Clojure Meetup
March 2018, Hungary
Writing a Cypher query engine in Clojure (Gábor Szárnyas, University of Budapest)

7. How to broadcast your openCypher news
opencypher@googlegroups.com
Slack: openCypher Implementers channel
Message me directly
Your news will appear on these slides for posterity, as well as under the ‘General
talks’ section on the References page (if it is a talk or similar)

8. openCypher Logo
Let us know which one(s) you like!

9. Copyright: Rasmus Flindt

10. oCIM 4 is happening!
Start: 13:00 Tuesday 22 May
End: 12:30 Thursday, 24 May
Location: Copenhagen, venue TBC (near train station)

11. Tentative agenda for oCIM 4
Tuesday PM
Scene setting: The state of the Cypher
Demo of Cypher for Gremlin (CfoG)
State of work on property graph support for SQL
Schema/DDL
Property graph querying and RDF/SPARQL/OWL*
DateTime CIP
Tuesday evening: Social dinner
Wednesday AM
Multiple Graphs I
Wednesday PM
Graph Matching
■ Core patterns and semantics
■ Morphism and Cardinality
■ Regular path patterns
An overview of the GCore language*
Demo of Cypher for Apache Spark (CAPS)
Multiple Graphs II
Lightning Talks I
Wednesday evening: Wander about Copenhagen
Thursday AM
Multiple Graphs III
Next steps
Lightning Talks II
Closing

12. oCIM 4 events page: https://www.opencypher.org/event/2018/05/22/ocim4/
This page will be updated with more details over the coming weeks:
Venue, map etc
Links to preparatory material
Finalised agenda
….
Notification of updates:
opencypher@googlegroups.com
Slack: openCypher Implementers channel

13. Wednesday, 20 June
15:00 UTC
Next oCIG… (oCIG 9)