On Finding the Relevant User Reviews for Advancing Conversational Faceted Search. - Eleftherios Dimitrakis; Konstantinos Sgontzos; Panagiotis Papadakos; Yannis Marketakis; Alexandros Papangelis; Yannis Stylianou; Yannis Tzitzikas (EMSASW@ESWC, 2018)

Enabling Efficient Question Answering over Hundreds of Linked Datasets. - Eleftherios Dimitrakis; Konstantinos Sgontzos; Michalis Mountantonakis; Yannis Tzitzikas (ISIP, 2019)

A survey on question answering systems over linked data and documents. - Eleftherios Dimitrakis; Konstantinos Sgontzos; Yannis Tzitzikas (J. Intell. Inf. Syst., 2020)