38 citations · 97 across the 16 of their papers we have counts for
4 papers · 2 filters
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…
Evaluating Temporal Queries Over Video Feeds
Yueting Chen, Xiaohui Yu, Nick Koudas
Recent advances in Computer Vision and Deep Learning made possible the efficient extraction of a schema from frames of streaming video. As such, a stream of objects and their assoc…
Video Monitoring Queries
Nick Koudas, Raymond Li, Ioannis Xarchakos
Recent advances in video processing utilizing deep learning primitives achieved breakthroughs in fundamental problems in video analysis such as frame classification and object dete…