207 citations · 490 across the 13 of their papers we have counts for
13 papers
Positive solutions to multi-critical elliptic problems
Fanqing Liu, Jianfu Yang, Xiaohui Yu
In this paper, we investigate the existence of multiple solutions to the following multi-critical elliptic problem \begin{equation}\label{eq:0.1} \left\{\begin{aligned} -Δu & =λ|u|…
LES3: Learning-based Exact Set Similarity Search
Yifan Li, Xiaohui Yu, Nick Koudas
Set similarity search is a problem of central interest to a wide variety of applications such as data cleaning and web search. Past approaches on set similarity search utilize eith…
Data Acquisition for Improving Machine Learning Models
Yifan Li, Xiaohui Yu, Nick Koudas
The vast advances in Machine Learning over the last ten years have been powered by the availability of suitably prepared data for training purposes. The future of ML-enabled enterp…
Efficient Construction of Nonlinear Models over Normalized Data
Zhaoyue Chen, Nick Koudas, Zhe Zhang +1
Machine Learning (ML) applications are proliferating in the enterprise. Relational data which are prevalent in enterprise applications are typically normalized; as a result, data h…
Distributed Processing of k Shortest Path Queries over Dynamic Road Networks
Ziqiang Yu, Xiaohui Yu, Nick Koudas +4
The problem of identifying the k-shortest paths (KSPs for short) in a dynamic road network is essential to many location-based services. Road networks are dynamic in the sense that…
Top-k queries over digital traces
Yifan Li, Xiaohui Yu, Nick Koudas
Recent advances in social and mobile technology have enabled an abundance of digital traces (in the form of mobile check-ins, association of mobile devices to specific WiFi hotspot…