@article{gatt2016multilingual,
	Author = {Gatt, A and Portet, F},
	Journal = {Fuzzy Sets and Systems},
	Pages = {73--93},
	Title = {Multilingual generation of uncertain temporal expressions from data: A study of a possibilistic formalism and its consistency with human subjective evaluations},
	Url = {https://staff.um.edu.mt/albert.gatt/pubs/fss2015_uncertainty.pdf},
	Volume = {285},
	Year = {2016},
	Keywords = {natural language generation, data-to-text, fuzzy sets, modality}}

@inproceedings{gatt2011temporal,
	Address = {Nancy, France},
	Author = {Gatt, A and Portet, F},
	Booktitle = {Proceedings of the 13th European Workshop on Natural Language Generation (ENLG'11)},
	Publisher = {Association for Computational Linguistics},
	Title = {If it may have happened before, it happened, but not necessarily before},
	Url = {http://staff.um.edu.mt/albert.gatt/pubs/enlg2011_uncertainty.pdf},
	Year = {2011},
	Keywords = {natural language generation, data-to-text, fuzzy sets, modality}}

@incollection{portet2010towards,
	Address = {Berlin and Heidelberg},
	Author = {Portet, F and Gatt, A},
	Booktitle = {Knowledge Representation for Health-Care: Data, Processes and Guidelines},
	Editor = {SMD Riano and A ten Teije and M Peleg},
	Pages = {155--168},
	Publisher = {Springer},
	Title = {Towards a possibility-theoretic approach to uncertainty in medical data interpretation for text generation},
	Url = {http://staff.um.edu.mt/albert.gatt/pubs/kr4hc-book-final.pdf},
	Year = {2010},
	Keywords = {natural language generation, data-to-text, fuzzy sets, modality}}