Nikolaos Karalis

Publication Activity (10 Years)

Years Active: 2018-2024
Publications (10 Years): 8

Top Topics

Geospatial Data

Question Classification

Top Venues

Publications

Nikolaos Karalis, Alexander Bigerl, Liss Heidrich, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo
Efficient Evaluation of Conjunctive Regular Path Queries Using Multi-way Joins. ESWC (1) (2024)
Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
Native Execution of GraphQL Queries over RDF Graphs Using Multi-Way Joins. SEMANTiCS (2023)
Maria Despoina Siampou, Nikolaos Karalis, Manolis Koubarakis
Extending YAGO4 Knowledge Graph with Geospatial Knowledge. GeoLD@ESWC (2022)
Dharmen Punjani, Markos Iliakis, Theodoros Stefou, Kuldeep Singh, Andreas Both, Manolis Koubarakis, Iosif Angelidis, Konstantina Bereta, Themis Beris, Dimitris Bilidas, Theofilos Ioannidis, Nikolaos Karalis, Christoph Lange, Despina-Athanasia Pantazi, Christos Papaloukas, Georgios Stamoulis
Template-Based Question Answering over Linked Geospatial Data. CoRR (2020)
Nikolaos Karalis, Georgios M. Mandilaras, Manolis Koubarakis
Extending the YAGO2 Knowledge Graph with Precise Geospatial Knowledge. ISWC (2) (2019)
Konstantinos Giannousis, Konstantina Bereta, Nikolaos Karalis, Manolis Koubarakis
Distributed Execution of Spatial SQL Queries. IEEE BigData (2018)
Dharmen Punjani, Kuldeep Singh, Andreas Both, Manolis Koubarakis, Iosif Angelidis, Konstantina Bereta, Themis Beris, Dimitris Bilidas, Theofilos Ioannidis, Nikolaos Karalis, Christoph Lange, Despina-Athanasia Pantazi, Christos Papaloukas, George Stamoulis
Template-Based Question Answering over Linked Geospatial Data. GIR@SIGSPATIAL (2018)
Kostis Kyzirakos, Dimitrianos Savva, Ioannis Vlachopoulos, Alexandros Vasileiou, Nikolaos Karalis, Manolis Koubarakis, Stefan Manegold
GeoTriples: Transforming geospatial data into RDF graphs using R2RML and RML mappings. J. Web Semant. (2018)