Slides at http://wouterbeek.github.io
The LOD Cloud cannot be uniformly queried today.
Existing deployment techniques are unable to close the gap between downloadable data dumps and live queryable data
Even though a technology stack for publishing Semantic Web data exists today, there is currently no simplified Web Service that does the same thing on a Web-scale.
Tthere are no LOD Cloud-wide guarantees as to whether, and if so how, sub-queries will be evaluated by different endpoints.
Large Linked Datasets: BTC, Freebase
Large Linked Data Idexes: Sindice, LODCache, DyLDO
Cloud-based triple store: Dydra
Clean & republish all data documents.
Open source (of course)
Strike a balance between server- and client-side processing.