I joined the Challengers team for the KDD Cup 2020 Debiasing Challenge. We finished first on the A leaderboard and sixth on the final B leaderboard. Our solution and code are on GitHub.
Our team, QDU, won the CIKM 2019 challenge on efficient user interest retrieval. The task was to recommend items from a huge shopping catalog, with a strict time limit and a fixed amount of memory. Our solution used Item CF for retrieval, followed...
skewcy@gmail.com