Community bulletin boards serve an important function for public information sharing in
modern society. Posted fliers advertise services, events, and other announcements …

To demonstrate the feasibility of earthquake early warning (EEW) in California, we have
developed and implemented the CISN ShakeAlert demonstration system. A Decision …

Community sense and response systems Page 1 66 COMMUNICATIONS OF THE ACM | JULY
2014 | VOL. 57 | NO. 7 THE PROLIFERATION OF smartphones and other powerful …

Emergency responders must “see” the effects of an earthquake clearly and rapidly for
effective response. This paper presents a novel use of cell phone and information …

Abstract In California, United States, an earthquake early warning system is currently being
tested through the California Integrated Seismic Network (CISN). The system aims to provide …

With widespread usages of smart phones, participatory sensing becomes mainstream,
especially for applications requiring pervasive deployments with massive sensors. However …

Citizen sensing is a new sensor-based data collection paradigm and is focused on the
extraction of data generated by people. Initiatives based on this concept are becoming …

A collection of static and mobile radiation sensors is tasked with deciding, within a fixed time
interval, whether a moving target carries radioactive material. Formally, this is a problem of …

Detecting disruptive events using Commercial off-the-self (COTS) sensors like the ones
embedded in smartphones is a difficult challenge but also an interesting opportunity. In this …

Increasingly, location-aware datasets are of a size, variety, and update rate that exceeds the
capability of spatial computing technologies. This paper addresses the emerging challenges …