no code implementations • 12 Jul 2021 • Tian Zhou, Hao He, Shengjun Pan, Niklas Karlsson, Bharatbhushan Shetty, Brendan Kitts, Djordje Gligorijevic, San Gultekin, Tingyu Mao, Junwei Pan, Jianlong Zhang, Aaron Flores
Since 2019, most ad exchanges and sell-side platforms (SSPs), in the online advertising industry, shifted from second to first price auctions.
no code implementations • 19 Sep 2020 • Shengjun Pan, Brendan Kitts, Tian Zhou, Hao He, Bharatbhushan Shetty, Aaron Flores, Djordje Gligorijevic, Junwei Pan, Tingyu Mao, San Gultekin, Jianlong Zhang
We found that bid shading, in general, can deliver significant value to advertisers, reducing price per impression to about 55% of the unshaded cost.
no code implementations • 2 Sep 2020 • Djordje Gligorijevic, Tian Zhou, Bharatbhushan Shetty, Brendan Kitts, Shengjun Pan, Junwei Pan, Aaron Flores
Online auctions play a central role in online advertising, and are one of the main reasons for the industry's scalability and growth.
no code implementations • 12 Nov 2019 • Djordje Gligorijevic, Jelena Gligorijevic, Aaron Flores
Prospective display advertising poses a great challenge for large advertising platforms as the strongest predictive signals of users are not eligible to be used in the conversion prediction systems.
no code implementations • 28 Mar 2018 • Djordje Gligorijevic, Jelena Stojanovic, Wayne Satz, Ivan Stojkovic, Kathrin Schreyer, Daniel Del Portal, Zoran Obradovic
Optimization of patient throughput and wait time in emergency departments (ED) is an important task for hospital systems.
no code implementations • 28 Mar 2018 • Jelena Stojanovic, Djordje Gligorijevic, Zoran Obradovic
It is of high interest for a company to identify customers expected to bring the largest profit in the upcoming period.
no code implementations • 28 Mar 2018 • Djordje Gligorijevic, Jelena Stojanovic, Zoran Obradovic
Our experiments demonstrate benefits of using graph information in modeling temporal disease properties as well as improvements in uncertainty estimation provided by given extensions of the Gaussian Conditional Random Fields method.
no code implementations • 28 Mar 2018 • Jelena Stojanovic, Milos Jovanovic, Djordje Gligorijevic, Zoran Obradovic
We also show that the method can be useful for optimizing the costs of data collection in climate applications via active reduction of the number of weather stations to consider.