Interacting with RDF data
Visual Querying of Linked Data with QueryVOWL
In order to enable users without any knowledge of RDF and SPARQL to query Linked Data, visual approaches can be helpful by providing graphical support [...]
Linked Data Query Processing: Theoretical Foundations
These slides represent the second of a five-part tutorial presentation given at the 22nd International World Wide Web Conference (WWW 2013). An awareness of foundations [...]
Linked Data Query Processing: Introduction
These slides represent the first of a five-part tutorial presentation given at the 22nd International World Wide Web Conference (WWW 2013). This introduction gives a [...]
Web-Scale Querying through Linked Data Fragments
To unlock the full potential of Linked Data sources, we need flexible ways to query them. Public SPARQL endpoints aim to fulfill that need, but [...]
Recognizing, Naming and Exploring Structure in RDF Data
This master's thesis seeks to apply research into RDBMS - which has led to mature techniques for storing and querying data - to the problem [...]
Integrating Open Sources and Relational Data with SPARQL
The authors of this paper believe that the possibility to use SPARQL as a front end to heterogeneous data without significant cost in performance or [...]
The Berlin SPARQL Benchmark
This article introduces the Berlin SPARQL Benchmark (BSBM) for comparing the performance of native RDF stores with the performance of SPARQL-to-SQL rewriters across architectures. The [...]
RDF, SPARQL and Semantic Repositories
This massive slide presentation covers a LOT of ground, including. It begins with the benefits of using RDF, RDFS/OWL entailment rules and how they can [...]
Introduction to: Triplestores
This brief weblog entry describes the differences between triple stores and relational database systems. It also discusses the similarities and differences with NoSQL Graph databases. [...]
Practical RDF Schema Reasoning with Annotated Semantic Web Data
Semantic Web data with annotations is becoming available, with the YAGO knowledge base a prominent example. This video discusses an approach to performing the closure [...]