activity
20142026
most citedIncorporating Domain Knowledge into Health Recommender Systems using Hyperbolic Embeddings

6 citations · 21 across the 10 of their papers we have counts for

collaborators

10 papers

cs.LG2026

Competition-Aware CPC Forecasting with Near-Market Coverage

Sebastian Frey, Edoardo Beccari, Maximilian Kranz +4

Cost-per-click (CPC) in paid search is an auction-generated outcome shaped by a competitive landscape that is only partially observable from any single advertiser's history. From 1…

cs.LG2023★ 2 cited

Extreme Multilabel Classification for Specialist Doctor Recommendation with Implicit Feedback and Limited Patient Metadata

Filipa Valdeira, Stevo Racković, Valeria Danalachi +2

Recommendation Systems (RS) are often used to address the issue of medical doctor referrals. However, these systems require access to patient feedback and medical records, which ma…

cs.IR2023★ 3 cited

Beyond Rankings: Exploring the Impact of SERP Features on Organic Click-through Rates

Erik Fubel, Niclas Michael Groll, Patrick Gundlach +2

Search Engine Result Pages (SERPs) serve as the digital gateways to the vast expanse of the internet. Past decades have witnessed a surge in research primarily centered on the infl…

cs.CL2023★ 6 cited

Combat AI With AI: Counteract Machine-Generated Fake Restaurant Reviews on Social Media

Alessandro Gambetti, Qiwei Han

Recent advances in generative models such as GPT may be used to fabricate indistinguishable fake customer reviews at a much lower cost, thus posing challenges for social media plat…

cs.LG2023

Interpretable Deep Learning for Forecasting Online Advertising Costs: Insights from the Competitive Bidding Landscape

Fynn Oldenburg, Qiwei Han, Maximilian Kaiser

As advertisers increasingly shift their budgets toward digital advertising, accurately forecasting advertising costs becomes essential for optimizing marketing campaign returns. Th…

cs.LG2021

Online Advertising Revenue Forecasting: An Interpretable Deep Learning Approach

Max Würfel, Qiwei Han, Maximilian Kaiser

Online advertising revenues account for an increasing share of publishers' revenue streams, especially for small and medium-sized publishers who depend on the advertisement network…

cs.IR2021★ 6 cited

Incorporating Domain Knowledge into Health Recommender Systems using Hyperbolic Embeddings

Joel Peito, Qiwei Han

In contrast to many other domains, recommender systems in health services may benefit particularly from the incorporation of health domain knowledge, as it helps to provide meaning…

cs.IR2018★ 1 cited

A Hybrid Recommender System for Patient-Doctor Matchmaking in Primary Care

Qiwei Han, Mengxin Ji, Inigo Martinez de Rituerto de Troya +2

We partner with a leading European healthcare provider and design a mechanism to match patients with family doctors in primary care. We define the matchmaking process for several d…

cs.SI2016

Asymmetric Peer Influence in Smartphone Adoption in a Large Mobile Network

Qiwei Han, Pedro Ferreira, João Paulo Costeira

Understanding adoption patterns of smartphones is of vital importance to telecommunication managers in today's highly dynamic mobile markets. In this paper, we leverage the network…

cs.SI2014★ 3 cited

The Role of Peer Influence in Churn in Wireless Networks

Qiwei Han, Pedro Ferreira

Subscriber churn remains a top challenge for wireless carriers. These carriers need to understand the determinants of churn to confidently apply effective retention strategies to e…