SWAD-Europe  Workshop on Semantic Web Storage and Retrieval
13-14 November 2003, Vrije Universiteit, Amsterdam, Netherlands.

Agenda and Location | Minutes | Suggested Readings | Logistics

Nearby: SWAD-Europe events page | Workshop Report | Workshop Announcement | Attendees | Position papers

Goals of the workshop

The goals of this workshop are to:

1. Bring together existing and new developers working on semantic web data storage and retrieval systems.
2. Discuss implementation lessons learnt.
3. Share this information to the wider community.

Workshop outline

Systems for using the RDF family of technologies (RDF, DAML+OIL, OWL ...) of the W3C are maturing after several years of development and improvement.

This workshop aims to bring together existing and new developers of semantic web storage and APIs to share their experiences and lessons learnt - what worked, what didn't work. In particular this workshop will try to cover:

• Implementation techniques and problems met
• Storage models and database schemas
• Aggregation and tracking provenance
• Using RDBMSes for semantic web storage
• Discussion of useful test data and queries for comparisons.
• Implementing RDF datatypes, entailment (from RDF Semantics)

Potential Outcomes

• An updated overview of the current states of systems.
• Indication of potential standardisation needs.
• Sharing of useful implementation techniques.
• Updated SWAD-E deliverables 10.1, 10.2
• Requirements for test data, test suites.
• Input into implementation reports on the RDF and OWL technologies.

Agenda

Notes from the meeting are being assembled in the Minutes and report section

Final Agenda

Thursday 13 November 2003

• 10:00 - Welcome and introduction: Dave Beckett (ILRT), Frank van Harmelen (VU)
• 10:15 - 5 minute introductions by participants/groups
• 11:00 - Identifying key issues from positions, agenda review
• 12:00-13:00 Lunch
• 13:00 - Store choices: relational/non-relational, schemas and systems
• 15:00 - Coffee
• 15:15 - Aggregating and scaling semantic web data, benchmarks, test data.
• 16:15 - Tracking and representing data provenance.
• 17:00 - End

Friday 14 November 2003

• 09:00 - Review priorities for day
• 09:15 - Implementing RDF/S semantics and datatypes.
• 10:30 - Coffee
• 10:45 - Supporting retrieval by querying with RDF query languages.
• 12:00-13:00 Lunch
• 13:00 - Retrieval APIs for software, querying and the web (such as web services)
• 15:00 - Coffee
• 15:15 - Summary. What is missing? What still needs standardising.
• 15:45 - End of Workshop

Location

Faculty of Sciences, Vrije Universiteit (VU), Amsterdam, Netherlands.

Facilities provided will include networking (wireless), refreshments during breaks and lunch.

Participation

This is a free workshop intended primarily for developers. The number of attendees at the workshop is limited to 25. The deadline for position papers has passed (24 October 2003) and the final list of expected attendees has been made.

This is a public workshop. The accepted position papers are also public. Speaker slides will also be available at the web site after the workshop. There will not be a printed proceedings but a public set of minutes and report will be made available after the workshop.

Photos

• Libby Miller's photos from workshop (Thursday)
• Libby Miller's photos from workshop (Friday)
• Search Libby's photo codepiction database search for photos near Amsterdam Schiphol airport to get a selection of the photos with metadata (some not from the workshop).
• @semantics web mapping server demo over attendees data

Important dates

24 October 2003 Deadline for position papers PASSED

6 November 2003 Registration closed, position papers online, final agenda available

13/14 November 2003 Workshop dates

Minutes and Report

A set of minutes and a report of the workshop will be made available to the public after the workshop. This is expected to be available mid-December 2003.

The minutes and report are being assembled in SWAD-Europe Deliverable 3.10: Developer Workshop Report 4 - Workshop on Semantic Web Storage and Retrieval as of 2004-01-06.

Logistics

Transportation to VU

The VU is easy to reach from Schiphol airport and Amsterdam Central Station.

See the location information including map and route information getting to the Faculty of Sciences. Go to entrance 1085 and ask at reception for directions to room G0.88.

Accommodation

Here is a list of hotels:

Preparation - suggested readings

• The workshop position papers authored by the expected attendees, published 2003-11-05

• Proceedings of ISWC 2003 workshop on Practical and Scalable Semantic Systems at the ISWC conference, 2003-10-20.

  They are probably all relevant, but picking a few:

  • 3store: Efficient Bulk RDF Storage, Stephen Harris and Nicholas Gibbins
  • Application-Specific Schema Design for Storing Large RDF Datasets, Luping Ding, Kevin Wilkinson, Craig Sayers and Harumi Kuno
  • Prolog-based Infrastructure for RDF: Scalability and Performance, Jan Wielemaker, Guus Schreiber and Bob Wielinga
  • Inferencing and Truth Maintenance in RDF Schema, Jeen Broekstra and Arjohn Kampman
  • DLDB: Extending Relational Databases to Support Semantic Web Queries, Zhengxiang Pan and Jeff Heflin
• RDF Semantics, P. Hayes, World Wide Web Consortium, 10 October 2003 (work in progress). This version of the RDF Semantics is http://www.w3.org/TR/2003/WD-rdf-mt-20031010/. The latest version is at http://www.w3.org/TR/rdf-mt/. 2003-10-10
• Proceedings (Warning: 11M PDF) of First International Workshop on Semantic Web and Databases, Co-located with VLDB 2003, Humboldt-Universität, Berlin, Germany, 459 pages, 2003-09-07 / 2003-09-08
  (Jena2 paper Efficient RDF Storage and Retrieval in Jena2 is pages 131--151)
• Tucana Knowledge Store (TKS) RDF implementation report, Andrew Newman, 2003-09-05
• 3store RDF(S) server implementation report, Steve Harris, University of Southampton, 2003-08-04
• Sesame 0.95 - storage, querying and inferencing for the Semantic Web, Jeen Broekstra, 2003-08-14
• implementation report: Sesame and the RDF specs, Jeen Broekstra, 2003-08-07
• Semantic Search, R. Guha, Rob McCool, Eric Miller, Proceedings of WWW 2003, 2003-05-20
• SWADE D7.2 Databases, Query, API, Interfaces: report on Query languages, Libby Miller, ILRT, University of Bristol, 2003-04-01
• SWADE D7.1 RDF API requirements and comparison, Jan Grant, ILRT, University of Bristol, 2003-02-27
• SWADE D10.2 Mapping data from RDBMS, Dave Beckett and Jan Grant, ILRT, University of Bristol, 2003-02-18.
• SWADE D10.1 Scalability and Storage: Survey of Free Software / Open Source RDF storage systems, Dave Beckett, ILRT, University of Bristol, 2003-02-17.
• An RDF NetAPI Andy Seaborne, HP Labs, 2002-04-22
• Sesame: A Generic Architecture for Storing and Querying RDF and RDF Schema, Jeen Broekstra and Arjohn Kampman, OTK-del-10, On-To-Knowledge deliverable 10, 2001-10-01
• The Design and Implementation of the Redland RDF Application Framework, Dave Beckett, ILRT, University of Bristol, Proceedings of WWW10, 2001-05-02
• Jena: Implementing the RDF Model and Syntax Specification (PDF), Brian McBride, HP Labs, Proceedings of the Second International Workshop on the Semantic Web, 2001-05-01

Nearby, related SWADE workpackages:

• WP 7: Databases, Query, API, Interfaces
• WP10: Tools for Semantic Web Scalability and Storage

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