Query Cache: Adaptive SPARQL Query Cache

In order to get closer to the performance of relational database-backed Web applications, we developed an approach for improving the performance of triple stores by caching query results and even complete application objects. The selective invalidation of cache objects, following updates of the underlying knowledge bases, is based on analysing the graph patterns of cached SPARQL queries in order to obtain information about what kind of updates will change the query result.

Project Team

Former Members

News

DL-Learner 1.2 (Supervised Structured Machine Learning Framework) Released ( 2016-02-09T16:19:55+01:00 by Patrick Westphal)

2016-02-09T16:19:55+01:00 by Patrick Westphal

Dear all, we are happy to announce DL-Learner 1.2. DL-Learner is a framework containing algorithms for supervised machine learning in RDF and OWL. Read more about "DL-Learner 1.2 (Supervised Structured Machine Learning Framework) Released"

AKSW Colloquium, 01.02.2016, Co-evolution of RDF Datasets ( 2016-02-01T15:53:23+01:00 by Natanael Arndt)

2016-02-01T15:53:23+01:00 by Natanael Arndt

At the todays colloquium, Natanael Arndt will discuss the the paper “Co-evolution of RDF Dataset” by Sidra Faisal, Kemele M. Endris, Saeedeh Shekarpour and Sören Auer (2016, available on arXiv) Link: http://arxiv.org/abs/1601. Read more about "AKSW Colloquium, 01.02.2016, Co-evolution of RDF Datasets"

Holographic Embeddings of Knowledge Graphs ( 2016-02-01T14:32:03+01:00 by Johannes Frey)

2016-02-01T14:32:03+01:00 by Johannes Frey

During the upcoming colloquium, Nilesh Chakraborty will give a short introduction on factorising RDF tensors and present a paper on “Holographic Embeddings of Knowledge Graphs”: Holographic Embeddings of Knowledge Graphs Authors: Maximilian Nickel, Lorenzo Rosasco, Tomaso Poggio Abstract: Learning embeddings … Continue reading → Read more about "Holographic Embeddings of Knowledge Graphs"

AKSW Colloquium, 25.01.2016, LargeRDFBench and Introduction To The Docker Ecosystem ( 2016-01-25T14:39:49+01:00 by Ivan Ermilov)

2016-01-25T14:39:49+01:00 by Ivan Ermilov

On the upcoming colloquium, Muhammad Saleem will present his paper “LargeRDFBench: A Billion Triples Benchmark for SPARQL Endpoint Federation” about the benchmarking of federated SPARQL endpoints. The other talk will be an introduction to the Docker ecosystem by Tim Ermilov. Read more about "AKSW Colloquium, 25.01.2016, LargeRDFBench and Introduction To The Docker Ecosystem"

HOBBIT project kick-off ( 2016-01-22T14:52:43+01:00 Sandra Bartsch)

2016-01-22T14:52:43+01:00 Sandra Bartsch

HOBBIT, a new InfAI project within the EU’s “Horizon 2020″ framework program kicked-off in Luxembourg on 18 and 19 january in 2016. Read more about "HOBBIT project kick-off"