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My research interests lie in data management including (semi-)automated data curation, knowledge representation and reasoning, and natural language processing. In the past few years I have focused on developing methods and software for improving the quality, interpretability and pertinence of heterogeneous, variable and dynamic data.
I was co-investigator in the FP7 PERICLES project. I also coordinated the GALATEAS EU project and participated as an investigator in a number of European and industrial research projects related to data management, digital preservation and natural language processing.
Prior to 2008, I was a postdoc researcher at Cardiff University where I worked on representing e-learning metadata and extended the Moodle e-learning platform with corresponding ontologies. I completed my PhD in Knowledge Based Systems at Cardiff University.
I have co-authored over 30 papers, two of which have earned best paper awards, and 10 patents and patent applications.
Our paper on neural-net based data curation has been accepted at ECAI (PAIS) 2020: Point-Of-Interest Semantic Tag Completion in a Global Crowdsourced Search-and-Discovery Database. Nikolaos Lagos, Salah Ait-Mokhtar and Ioan Calapodescu
Our paper on culture-aware Point-Of-Interest semantic tag completion has been presented at DARLI-AP@EDBT 2020: Culture-aware Point-of-Interest Category Completion in a Global Location-Based Social Network Database without Access to User Data. Nikolaos Lagos and Ioan Calapodescu [pdf][video presentation][slides]