Research Engineer - semantic index for distributed Knowledge Graphs

Inria
November 08, 2022
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2022-05358 - Research Engineer - semantic index for distributed Knowledge Graphs

Contract type : Fixed-term contract

Level of qualifications required : PhD or equivalent

Fonction : Temporary scientific engineer

Level of experience : Up to 3 years

About the research centre or Inria department

The Inria Sophia Antipolis - Méditerranée center counts 34 research teams as well as 8 support departments. The center's staff (about 500 people including 320 Inria employees) is made up of scientists of different nationalities (250 foreigners of 50 nationalities), engineers, technicians and administrative staff. 1/3 of the staff are civil servants, the others are contractual agents. The majority of the center's research teams are located in Sophia Antipolis and Nice in the Alpes-Maritimes. Four teams are based in Montpellier and two teams are hosted in Bologna in Italy and Athens. The Center is a founding member of Université Côte d'Azur and partner of the I-site MUSE supported by the University of Montpellier.

Context

In the context of the DeKaloG ANR project (2020-2023) the Wimmics team at Inria Sophia Antipolis Méditerranée and I3S Université Côte d'Azur offers a Research Engineer position.

The partners are GDD from university of Nantes and BD from INSA Lyon.

The theme of the DeKaloG project is Decentralized Knowlege Graph in a Linked Open Data approach. The goal of the project is to design and implement an architecture that leverages existing Knowledge Graphs and SPARQL endpoints in such a way as to facilitate KG discovery, federated query writing and processing, transparency in data and results and efficiency.

In the context of this project, a semantic knowledge graph index must be designed, implemented and evaluated.

Assignment

Assignments :

The research topic of the post doc is to design and implement a semantic index for distributed Knowledge Graphs that 1) facilitates the discovery of relevant KG for a query, 2) facilitates the writing of the query by proposing relevant entities, properties and classes, 3) enables users to query and discover relationships between KG and 4) facilitates efficient federated query compilation and execution.

https:// team.inria.fr/wimmics

Collaboration :

The recruited person will be in connection with Wimmics Inria team members and university of Nantes and INSA Lyon project members.

Responsibilities :

The person recruited is responsible for realizing, with Wimmics team, the task assigned to Wimmics in the project and will take relevant initiatives for carrying out the task.

Steering/Management :

The person recruited will be in charge of managing master internship in collaboration with Wimmics team.

Main activities

The work will start by a literature review to write a state-of-the-art on Knowledge Graph Index.

Then a graph index ontology will be specified and a graph index architecture will be designed and implemented. It will be available as an RDF Knowledge Graph in a SPARQL endpoint. Benchmarks on existing KG such as Wikidata and DBpedia will be realized.

Scientific publications will be written with the possibility to attend scientific conferences.

The candidate will have a leadership role for the Wimmics task and as such will participate to project meetings in France and will write deliverables of the project. Visit to partner teams will be realized.

Skills
  • Technical skills and level required :
  • The candidate holds a PhD on the Semantic Web and Linked Open Data, with a focus on RDF graph indexing and SPARQL federated query processing.
  • Languages : RDF, SPARQL, Java.
  • Relational skills : Hability to work in a team, to lead a research task in a research project with 3 partners.
  • Other valued appreciated : focus on the research program within the schedule and realize deliverable on time.
  • Benefits package
  • Subsidized meals
  • Partial reimbursement of public transport costs
  • Leave: 7 weeks of annual leave + 10 extra days off due to RTT (statutory reduction in working hours) + possibility of exceptional leave (sick children, moving home, etc.)
  • Possibility of teleworking (after 6 months of employment) and flexible organization of working hours
  • Professional equipment available (videoconferencing, loan of computer equipment, etc.)
  • Social, cultural and sports events and activities
  • Access to vocational training
  • Social security coverage
  • Supplementary social protection
  • Remuneration

    From 2724 euros gross monthly (according to degree and experience)

    General Information
  • Theme/Domain : Data and Knowledge Representation and Processing Software engineering (BAP E)

  • Town/city : Sophia Antipolis

  • Inria Center : CRI Sophia Antipolis - Méditerranée
  • Starting date : 2023-01-01
  • Duration of contract : 1 year, 2 months
  • Deadline to apply : 2022-11-08
  • Contacts
  • Inria Team : WIMMICS
  • Recruiter : Corby Olivier / Olivier.Corby@inria.fr
  • About Inria

    Inria is the French national research institute dedicated to digital science and technology. It employs 2,600 people. Its 200 agile project teams, generally run jointly with academic partners, include more than 3,500 scientists and engineers working to meet the challenges of digital technology, often at the interface with other disciplines. The Institute also employs numerous talents in over forty different professions. 900 research support staff contribute to the preparation and development of scientific and entrepreneurial projects that have a worldwide impact.

    Instruction to apply

    Defence Security : This position is likely to be situated in a restricted area (ZRR), as defined in Decree No. 2011-1425 relating to the protection of national scientific and technical potential (PPST).Authorisation to enter an area is granted by the director of the unit, following a favourable Ministerial decision, as defined in the decree of 3 July 2012 relating to the PPST. An unfavourable Ministerial decision in respect of a position situated in a ZRR would result in the cancellation of the appointment.

    Recruitment Policy : As part of its diversity policy, all Inria positions are accessible to people with disabilities.

    Warning : you must enter your e-mail address in order to save your application to Inria. Applications must be submitted online on the Inria website. Processing of applications sent from other channels is not guaranteed.

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