Erfurt: PHP5 / Zend based Semantic Web API for Social Semantic Software

Comprises the API underneath OntoWiki, which can be used to build sophisticated Semantic Web applications

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  • Triple Storage: storage abstraction layer to access third party RDF stores as well as its own Zend DB based RDF store
  • Storage Abstraction: two different interfaces for the storage abstraction: Zend DB and Virtuoso
  • Erfurt RDF Store: SPARQL to SQL rewriter and a corrsponding relational table layout
  • Caching: based on analysing the graph patterns of cached SPARQL queries in order to obtain information which updates will change the query result
  • More: Access Control, Versioning, SPARQL Query & Update, Plugins & Trigger, Datagathering & Data Wrapper

News

AKSW Colloquium, 27-04-2015, Ontotext’s RDF database-as-a-service (DBaaS) via Self-Service Semantic Suite (S4) platform via & Knowledge-Based Trust ( 2015-04-23T17:21:00+02:00 JoergUnbehauen)

2015-04-23T17:21:00+02:00 JoergUnbehauen

This colloquium features two talks. First the Self-Service Semantic Suite (S4) platform is presented by Marin Dimitrov (Ontotext), followed up by Jörg Unbehauens report on Googles effort on using factual correctness as a ranking factor. Read more about "AKSW Colloquium, 27-04-2015, Ontotext’s RDF database-as-a-service (DBaaS) via Self-Service Semantic Suite (S4) platform via & Knowledge-Based Trust"

Talk by Kleanthi Georgala ( 2015-04-22T22:48:27+02:00 by Dr. Amrapali Zaveri)

2015-04-22T22:48:27+02:00 by Dr. Amrapali Zaveri

Last week on Friday, 17th April, Kleanthi Georgala visited AKSW and gave a talk entitled “Traces Through Time: Probabilistic Record Linkage – Medieval and Early Modern”. More information below. Read more about "Talk by Kleanthi Georgala"

SAKE Projekt website goes live ( 2015-04-22T11:50:43+02:00 by Simon Bin)

2015-04-22T11:50:43+02:00 by Simon Bin

Hi all! The project website for the BMWi funded Smart Data Web Project “SAKE” is now on-line at www.sake-projekt.de. Read more about "SAKE Projekt website goes live"

AKSW Colloquium, 20-04-2015, OWL/DL approaches to improve POS tagging ( 2015-04-20T08:21:00+02:00 Markus Ackermann)

2015-04-20T08:21:00+02:00 Markus Ackermann

In this colloquium Markus Ackermann will touch on the ‘linguistic gap‘ of recent POS tagging endeavours (as perceived by C. Manning, [1]). Read more about "AKSW Colloquium, 20-04-2015, OWL/DL approaches to improve POS tagging"

AKSW Colloquium, 13-04-2015, Effective Caching Techniques for Accelerating Pattern Matching Queries ( 2015-04-13T11:51:58+02:00 by Claus Stadler)

2015-04-13T11:51:58+02:00 by Claus Stadler

In this colloquium, Claus Stadler will present the paper Effective Caching Techniques for Accelerating Pattern Matching Queries by Arash Fard, Satya Manda, Lakshmish Ramaswamy, and John A. Miller. Read more about "AKSW Colloquium, 13-04-2015, Effective Caching Techniques for Accelerating Pattern Matching Queries"