Accessing RDF knowledge bases via LDAP clients

LDAP based directory services constitute important parts of the IT infrastructure of many organizations and enterprises. They act as a central service for integrating new applications into an IT infrastructure and can be accessed by many different types of clients ranging from content management systems to e-mail clients. In order to make use of widely deployed tools for accessing directory services we present an approach which enables standard directory clients to obtain information from RDF stores (e.g. information about people, organizational structures and addresses). We describe how directory queries can be transformed into queries on an RDF knowledge base and give an overview of our implementation. -- Knowledge management ; directory services; LDAP ; RDF ; SPARQL