Fractals with Positive Length and Zero Buffon Needle Probability. - Yuval Peres; Károly Simon; Boris Solomyak (Am. Math. Mon., 2003)

On the size of the algebraic difference of two random Cantor sets. - Michel Dekking; Károly Simon (Random Struct. Algorithms, 2008)

Augmented reality and image recognition based framework for treasure hunt games. - Zsolt Bálint; Botond Kiss; Beáta Magyari; Károly Simon (SISY, 2012)

Live tracking framework for public transportation systems. - László Barabás; Réka-Andrea Károly; Károly Simon (SISY, 2012)

RegionRank: A new approach for creating web search services. - Mate Lang; Levente Pal; Zoltan Sebesi; Károly Simon; Péter Szilágyi; Tamas Torok-Vistai (SISY, 2013)

Software system for broadcasting and monitoring traffic information. - Beata Balazsi; Ors-Tihame Kardos; Sandor Raduly; Károly Simon (SISY, 2014)

GeoQuesting: Mobile adventure game and web-based game editor. - Beata Brassai; Boglarka Varga; Károly Simon; Tamas Torok-Vistai (SISY, 2014)

OptInv: Software as a service solution for inventory optimization. - Reka Gyori; Tamas Imecs; Eniko Torok; Károly Simon (SISY, 2014)

Software system for newspaper distribution. - Iulia-Kinga Marton; Zoltán Szabó; Károly Simon; Norbert Kando (SISY, 2015)

Android mobile application for controlling Arexx robots. - Szilard-Gabor Matis; Károly Simon; Levente Szelyes (SISY, 2015)

Argus: Hardware and software system for automatic or semi-automatic photo taking. - Zsolt Szecsi; Károly Simon; Levente Szelyes (SISY, 2015)

FestivApp: Program manager and browser system for large events. - Anna Kiss; Károly Simon; Zoltán Szilagyi (SISY, 2016)

Legendárium navigator: Software system for supporting transylvanian tourism. - Attila Barna Mate; Roland Nagy; Zsolt Szecsi; Denes-Balint Kelemen-Feher; Károly Simon (SISY, 2016)

Program guide and data management software system for theaters. - István Bege; Melinda Tóth; Károly Simon; Zoltán Szilagyi; Levente Kintzel (SISY, 2017)

EKETour - Software Platform for Organizing Tours. - Bence Bako; Vivien Emoke Bartha; Károly Simon; Csaba Sulyok; Levente Kintzel (SISY, 2018)

Netfood: A Software System for Food Ordering and Delivery. - Cristina-Edina Domokos; Barna Sera; Károly Simon; Lajos Kovács; Tas-Bela Szakacs (SISY, 2018)

Legendárium Nagyappó: Augmented Reality-Based Audiobook Application. - Zsolt Dongolo; Kinga Kovacs; Károly Simon; Zsolt Szecsi (SISY, 2018)

Diaspora Mapping and Collaboration Platform for Expatriates. - Kincso Tuzes-Boloni; Zsuzsanna Borsay; Csaba Sulyok; Károly Simon (SISY, 2018)

Modified box dimension of trees and hierarchical scale-free graphs. - Júlia Komjáthy; Roland Molontay; Károly Simon (CoRR, 2018)

Blood Notes: Software System for Promoting and Facilitating Blood Donation. - Hunor Hegedüs; Kata Szász; Károly Simon; Tibor Fazakas; Andor Mihály; Katalin Nagy (SISY, 2019)

Transfinite fractal dimension of trees and hierarchical scale-free graphs. - Júlia Komjáthy; Roland Molontay; Károly Simon (J. Complex Networks, 2019)

SoulMind: Interactive Platform for Domain-Specific Data Analysis and Visualization. - Alpár Cseke; István Király; Károly Simon; Szilárd-Gábor Mátis; Kincso Tüzes-Bölöni (SISY, 2020)

Atlas: Software System for Monitoring and Reserving Free Parking Spaces. - Ágnes-Kriszta Szabó; Zalán Ráduly; Örs-Krisztián Patakfalvi; Csaba Sulyok; Károly Simon (SISY, 2020)

Truxi: A Software System for Enhancing The Communication Between Truck Drivers and Retailers. - Bertalan Vad; Anna Kiss; Roland Nagy; Ákos Orbán; Károly Simon (SISY, 2020)

medR: Software System for Managing Medical History and Patient Examination Data. - Anita-Bella Réthi; Krisztian Antal Buza; Orsolya Máthé; Mátyás Fosztó; Tamás Koncz; Károly Simon (SISY, 2021)

Cloud-based Serverless Solution for Facilitating the Organisation of Athletics Competitions. - Tifani Franciska Nagy; Zsolt Csibi; Borbála Jánosi; Károly Simon; Hunor Hegedüs; Erika Szász (SISY, 2022)

Estimating the Correctness of Exercises for Flat Feet Using Semantic Segmentation. - Balázs-István Pelok; Csanád Sándor; Ákos Bálint; Csaba Sulyok; Károly Simon (SISY, 2022)

Energy-efficient Timetable Display for Meeting Rooms using e-Paper Technology and Low-powered Microcontrollers. - Cintia Szabó; Krisztián-Tamás Antal; Levente-Zoltán Bartus; Károly Simon (SISY, 2023)

Parking Space Management and Occupancy Determination Using Artificial Intelligence. - Máté Gozner; Mátyás-Zsigmond Fischer; Károly Simon; Attila Zölde; Lóránt-Tibor Fazakas (SISY, 2024)

Anatomy of a Cloud-Connected Door Lock Prototype, Integrating NFC-Enabled Mobile Wallet Technologies. - Máté-László Láng; Oana-Ancuta Sabãu; Károly Simon (SISY, 2024)