Prof. Linqi Song Receives 2 Silver Medals at the 49th International Exhibition of Inventions of Geneva (IEIG)

Researchers from City University of Hong Kong (CityUHK) achieved outstanding results at the 49th International Exhibition of Inventions of Geneva (IEIG), winning 36 awards, including two Special Prizes, eight Gold Medals with Congratulations of the Jury, 10 Gold Medals, 11 Silver Medals and five Bronze Medals. In particular, winning eight Gold Medals with Congratulations of the Jury this year is a record high for CityUHK. Their success keenly demonstrates CityUHK’s excellence in high-quality research and innovation on the global stage.

Among the accomplished researchers, Prof. Linqi Song, an Assistant Professor in the Computer Science Department at City University of Hong Kong, and a Scientist of the Laboratory for AI-Powered Financial Technologies, received 2 Silver Medals in the 49th International Exhibition of Inventions of Geneva:

 Inventors and Team membersProjectDescription
1Prof. Linqi SONG
Mr. Sichun LUO
Dr. LI Yinqiao Department of Computer Science
City University of Hong Kong
Training and/or Operating Graph Neural Network-Based Recommendation System– Alleviating the long-tail problem in recommendation systems due to data imbalance by using graph augmentation
– Proposing graph augmentation methods such as edge addition/removal and pseudo nodes to enhance the recommendation effectiveness of low-frequency items while ensuring model efficiency
2Prof. Linqi SONG Mr. Sichun LUO Dr. LI Yinqiao Department of Computer Science
City University of Hong Kong
Federated Recommendation System, Device, and Method– Enhancing privacy protection in recommendation systems using federated learning
– Improving the effectiveness of personalized recommendations through clustering and joint representation learning based on local models, category models, and global models.

Professor Freddy Boey, President of CityUHK, congratulated all the awardees for their well-earned international recognition. He said that their achievements showed on the global stage CityUHK’s culture of pursuing innovation and excellence and their determination to contribute to Hong Kong society and the world.

“I am extremely proud of CityUHK researchers for their extraordinary achievements,” he said. “CityUHK will continue to support our faculty and students in their pursuit of excellence and facilitate their efforts to bring their innovations to fruition to create a positive impact on society.”

President Boey said that CityUHK is celebrating its 30th Anniversary this year with the theme, “Innovating into the Future”, emphasising the University’s commitment to nurturing talent through innovation and pioneering research.

About the International Exhibition of Inventions of Geneva (IEIG):
IEIG, an annual event dedicated to inventions, provides a unique opportunity for inventors and researchers to present the results of their research and their new products. The 49th IEIG, held from 17 to 21 April 2024 in Switzerland, featured more than 1,000 inventions from 38 countries and regions around the world.

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