-
Using semantics in XML information access : application to the portuguese emi...
This chapter presents an ongoing work in the context of the Portuguese Emigration Museum about information access in XML collections associated with semantic... -
Querying RDF data
alkhateeb2012a -
SPARQL query answering with bitmap indexes
International audience -
SPARQL Query Containment under RDFS Entailment Regime
The problem of SPARQL query containment is defined as determining if the result of one query is included in the result of another for any RDF graph. Query containment... -
SQUALL: a Controlled Natural Language for Querying and Updating RDF Graphs
International audience -
Temporal Logic To Query Semantic Graphs Using The Model Checking Method
International audience -
Constrained regular expressions in SPARQL
alkhateeb2008a -
Enforcement of Privacy Preferences in Data Services: A SPARQL Query Rewriting...
With the constant proliferation of information systems around the globe, the need for decentralized and scalable data sharing mechanisms has become a major factor of... -
Static Analysis of Semantic Web Queries
Query containment is a well-studied problem spanning over several decades of research. Generally, it is defined as the problem of determining if the result of one... -
A Distributed Publish/Subscribe System for RDF Data
International audience -
Antipattern detection: How to debug an ontology without a reasoner
[Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]MOTIVE -
Scalable Query-based Faceted Search on top of SPARQL Endpoints for Guided and...
Because the Web of Documents is composed of structured pages that are not meaningful to machines, search in the Web of Documents is generally processed by keywords.... -
Privacy query rewriting algorithm instrumented by a privacy-aware access cont...
International audience -
Accessing and using complex multimedia documents in a digital library
In the context of three European projects, our research team has developed a data model and query language for digital libraries supporting identification,... -
Predicting SPARQL Query Execution Time and Suggesting SPARQL Queries Based on...
In this paper first we address the problem of predicting SPARQL query execution time. Accurately predicting query execution time enables effective workload management,... -
Answering SPARQL queries modulo RDF Schema with paths
alkhateeb2013a -
Context-aware access control and presentation of linked data
This thesis discusses the influence of mobile context awareness in accessing the Web of Data from handheld devices. The work dissects this issue into two research... -
Approche de couplage de BD et d'ontologie pour l'aide à la décision sémantiqu...
La modélisation des systèmes d'informations et l'interrogation de leurs données présentent de plus en plus un défi primordial qui ne cesse de s'imposer. Les solutions...
