1 citations · 3 across the 28 of their papers we have counts for
8 papers · 1 filter
Timely Tracking of Infection Status of Individuals in a Population
Melih Bastopcu, Sennur Ulukus
We consider real-time timely tracking of infection status (e.g., covid-19) of individuals in a population. In this work, a health care provider wants to detect infected people as w…
Timely Group Updating
Melih Bastopcu, Sennur Ulukus
We consider two closely related problems: anomaly detection in sensor networks and testing for infections in human populations. In both problems, we have nodes (sensors, humans…
Maximizing Information Freshness in Caching Systems with Limited Cache Storage Capacity
Melih Bastopcu, Sennur Ulukus
We consider a cache updating system with a source, a cache with limited storage capacity and a user. There are files. The source keeps the freshest versions of the files which…
Selective Encoding Policies for Maximizing Information Freshness
Melih Bastopcu, Baturalp Buyukates, Sennur Ulukus
An information source generates independent and identically distributed status update messages from an observed random phenomenon which takes distinct values based on a given p…
Information Freshness in Cache Updating Systems
Melih Bastopcu, Sennur Ulukus
We consider a cache updating system with a source, a cache and a user. There are files. The source keeps the freshest version of the files which are updated with known rates $λ…
Partial Updates: Losing Information for Freshness
Melih Bastopcu, Sennur Ulukus
We consider an information updating system where a source produces updates as requested by a transmitter. The transmitter further processes these updates in order to generate $part…