Accelerating SPARQL queries by exploiting hash-based locality and adaptive partitioning
State-of-the-art distributed RDF systems partition data across multiple computer nodes
(workers). Some systems perform cheap hash partitioning, which may result in expensive …
(workers). Some systems perform cheap hash partitioning, which may result in expensive …
Ontology summarization: Graph-based methods and beyond
Ontologies have been widely used in numerous and varied applications, eg to support data
modeling, information integration, and knowledge management. With the increasing size of …
modeling, information integration, and knowledge management. With the increasing size of …
PCSG: pattern-coverage snippet generation for RDF datasets
For reusing an RDF dataset, understanding its content is a prerequisite. To support the
comprehension of its large and complex structure, existing methods mainly generate an …
comprehension of its large and complex structure, existing methods mainly generate an …
GSP (Geo-Semantic-Parsing): geoparsing and geotagging with machine learning on top of linked data
Recently, user-generated content in social media opened up new alluring possibilities for
understanding the geospatial aspects of many real-world phenomena. Yet, the vast majority …
understanding the geospatial aspects of many real-world phenomena. Yet, the vast majority …
A Survey on Extractive Knowledge Graph Summarization: Applications, Approaches, Evaluation, and Future Directions
With the continuous growth of large Knowledge Graphs (KGs), extractive KG summarization
becomes a trending task. Aiming at distilling a compact subgraph with condensed …
becomes a trending task. Aiming at distilling a compact subgraph with condensed …
BANDAR: benchmarking snippet generation algorithms for (RDF) dataset search
The large volume of open data on the Web is expected to be reused and create value.
Finding the right data to reuse is a non-trivial task addressed by the recent dataset search …
Finding the right data to reuse is a non-trivial task addressed by the recent dataset search …
WORQ: workload-driven RDF query processing
Cloud-based systems provide a rich platform for managing large-scale RDF data. However,
the distributed nature of these systems introduces several performance challenges, eg, disk …
the distributed nature of these systems introduces several performance challenges, eg, disk …
Evaluating SPARQL queries on massive RDF datasets
Distributed RDF systems partition data across multiple computer nodes. Partitioning is
typically based on heuristics that minimize inter-node communication and it is performed in …
typically based on heuristics that minimize inter-node communication and it is performed in …
Combining vertex-centric graph processing with SPARQL for large-scale RDF data analytics
Modern applications require sophisticated analytics on RDF graphs that combine structural
queries with generic graph computations. Existing systems support either declarative …
queries with generic graph computations. Existing systems support either declarative …
Scale-out processing of large RDF datasets
Distributed RDF data management systems become increasingly important with the growth
of the Semantic Web. Regardless, current methods meet performance bottlenecks either on …
of the Semantic Web. Regardless, current methods meet performance bottlenecks either on …