Unlike previous studies on the Metaverse based on Second Life, the current Metaverse is
based on the social value of Generation Z that online and offline selves are not different …

Metaverse is the digital mirror of the physical world where users are connected as individual
avatars. The purpose of the virtual surface where it should gather and mirror actual-time …

In classic auction theory, reserve prices are known to be effective for improving revenue for
the auctioneer against quasi-linear utility maximizing bidders. The introduction of reserve …

Privacy policies have disrupted the multi-billion dollar online advertising market by making
real-time and precise user data untraceable, which poses significant challenges to the …

In sponsored search advertising (SSA), advertisers need to select keywords and determine
matching types for selected keywords simultaneously, ie, keyword targeting. An optimal …

Transformer has become ubiquitous due to its dominant performance in various NLP and
image processing tasks. However, it lacks understanding of how to generate mathematically …

Online active learning is a paradigm in machine learning that aims to select the most
informative data points to label from a data stream. The problem of minimizing the cost …

In online advertising markets, budget-constrained advertisers acquire ad placements
through repeated bidding in auctions on various platforms. We present a strategy for bidding …

Budget-management systems are one of the key components of modern auction markets.
Internet advertising platforms typically offer advertisers the possibility to pace the rate at …

Many real-world systems such as e-commerce websites and content-serving platforms
employ two-stage recommendation—in the first stage, multiple nominators (experts) provide …