Christos Nikas

According to our database, Christos Nikas authored at least 6 papers between 2020 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Strengthening EU Resilience: Labor Market Integration as a Criterion for Refugee Relocation.

Anastasia Blouchoutzi, Georgios Tsaples, Dimitra Manou, Christos Nikas

Proceedings of the Decision Support Systems XII: Decision Support Addressing Modern Industry, Business, and Societal Needs, 2022

2021

An Evaluation of the Effectiveness of Labor Market Integration Policies in EU Member States Using PROMETHEE.

Anastasia Blouchoutzi, Panagiota Digkoglou, Jason Papathanasiou, Christos Nikas

Int. J. Oper. Res. Inf. Syst., 2021

Open Domain Question Answering over Knowledge Graphs Using Keyword Search, Answer Type Prediction, SPARQL and Pre-trained Neural Models.

Christos Nikas, Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the Semantic Web - ISWC 2021 - 20th International Semantic Web Conference, 2021

2020

Keyword Search over RDF: Is a Single Perspective Enough?

Christos Nikas, Giorgos Kadilierakis, Pavlos Fafalios, Yannis Tzitzikas

Big Data Cogn. Comput., 2020

Two-stage Semantic Answer Type Prediction for Question Answering using BERT and Class-Specificity Rewarding.

Christos Nikas, Pavlos Fafalios, Yannis Tzitzikas

Proceedings of the SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic Web Challenge co-located with the 19th International Semantic Web Conference (ISWC 2020), 2020

Elas4RDF: Multi-perspective Triple-Centered Keyword Search over RDF Using Elasticsearch.

Giorgos Kadilierakis, Christos Nikas, Pavlos Fafalios, Panagiotis Papadakos, Yannis Tzitzikas

Proceedings of the Semantic Web: ESWC 2020 Satellite Events - ESWC 2020 Satellite Events, Heraklion, Crete, Greece, May 31, 2020