Ethics and security in text mining of patient records in Bulgarian: the EVTIMA solution. - Ivelina Nikolova; Hristo Dimitrov; Dimitar Tcharaktchiev (CompSysTech, 2010)

Integrating Patient-Related Entities Using Hospital Information System Data and Automatic Analysis of Free Text. - Svetla Boytcheva; Galia Angelova; Zhivko Angelov; Dimitar Tcharaktchiev; Hristo Dimitrov (ARES, 2011)

From Individual EHR Maintenance to Generalised Findings: Experiments for Application of NLP to Patient-Related Texts. - Galia Angelova; Dimitar Tcharaktchiev; Svetla Boytcheva; Ivelina Nikolova; Hristo Dimitrov; Zhivko Angelov (Advances in Intelligent Analysis of Medical Data and Decision Support Systems, 2013)

NotiFall: Ambient Sonification System Using Water. - Alex Harman; Hristo Dimitrov; Ruisha Ma; Sam Whitehouse; Yiu Li; Paul Worgan; Themis Omirou; Anne Roudaut (CHI Extended Abstracts, 2016)