Manipulating RDF data
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 [...]
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 [...]
Capturing Relational Schemas and Functional Dependencies in RDFS
Mapping relational data to RDF is an important task for the development of the Semantic Web. To this end, the W3C has recently released a [...]
Learn About SPARQL 1.1
This S5 format slideshow details the changes made to the query language in SPARQL 1.1- it is not a basic introduction to SPARQL and assumes [...]
RDF Database Systems: Triples Storage and SPARQL Query Processing
Available in print or EBook, this resource professes to "distill everything you need to know to effectively use or design an RDF database". This book [...]
Querying Linked Data
This presentation looks in detail at SPARQL and introduces approaches for querying and updating semantic data. It covers the SPARQL algebra, the SPARQL protocol, and [...]
Updating RDFS ABoxes and TBoxes in SPARQL
Updates in RDF stores have recently been standardized in the SPARQL 1.1 Update specification. However, computing answers entailed by ontologies in triple stores is usually [...]
Dynamic Querying of Mass-Storage RDF Data with Rule-Based Entailment Regimes?
SPARQL is the W3C standard for querying RDF data, but it mostly provides means for querying simple RDF graphs only, whereas querying with respect to [...]