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

Homepage Source Code Issues Wiki

  • 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

Current Team

News

@BioASQ challenge gaining momentum ( 2014-11-17T15:29:24+01:00 RicardoUsbeck)

2014-11-17T15:29:24+01:00 RicardoUsbeck

BioASQ is a series of challenges aiming to bring us closer to the vision of machines that can answer questions of biomedical professionals and researchers. The second BioASQ challenge started in February 2013. It comprised two different tasks: Large-scale biomedical semantic indexing (Task 2a), and biomedical semantic question answering (Task 2b). Read more about "@BioASQ challenge gaining momentum"

AKSW successful at #ISWC2014 ( 2014-10-28T17:03:42+01:00 RicardoUsbeck)

2014-10-28T17:03:42+01:00 RicardoUsbeck

Dear followers, 9 members of AKSW have been participating at the 13th International Semantic Web Conference (ISWC) at Riva del Garda, Italy. Read more about "AKSW successful at #ISWC2014"

AKSW internal group meeting @ Dessau ( 2014-10-23T02:07:29+02:00 EdgardMarx)

2014-10-23T02:07:29+02:00 EdgardMarx

Recently AKSW members were at the city of Dessau for an internal group meeting. The meeting took place between 8th and 10th of October, in the modern university of architecture of Bauhaus were we also stayed hosted. Bauhaus is located in the city of Dessau, about one hour from Leipzig. Read more about "AKSW internal group meeting @ Dessau"

AKSW at #ISWC2014. Come and join, talk and discuss with us! ( 2014-10-16T14:00:30+02:00 RicardoUsbeck)

2014-10-16T14:00:30+02:00 RicardoUsbeck

Hello AKSW Follower! We are very pleased to announce that nine of our papers were accepted for presentation at ISWC 2014. Read more about "AKSW at #ISWC2014. Come and join, talk and discuss with us!"

LIMES Version 0.6 RC4 ( 2014-10-07T00:49:53+02:00 by Dr. Axel-C. Ngonga Ngomo)

2014-10-07T00:49:53+02:00 by Dr. Axel-C. Ngonga Ngomo

It has been a while but that moment has arrived again. We are happy to announce a new release of the LIMES framework. This version implements novel geo-spatial measures (e.g., geographic mean) as well as string similarity measures (jaro, jaro-winkler, etc.). Moreover, we fixed some minor bugs (thanks for the bug reports). Read more about "LIMES Version 0.6 RC4"