Lack of troubleshooting knowledge support combined with the time pressure to perform can adversely affect the performance on unplanned maintenance tasks. We propose that a knowledge management (KM) perspective should used to support unplanned maintenance tasks. The KM approach explicitly supports the continuous processes of creation, collection, organization, storage, and delivery of troublesho...

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The following scenarios explore some of the common problems encountered during extracorporeal membrane oxygenation (ECMO) in adults. In each scenario, the circuit is comprised of a centrifugal pump and a polymethylpentene oxygenator.

Distributed troubleshooting often requires experts to support non-experts at a distance. The resulting separation between collaborators can impoverish their understanding of each other’s task contexts, impeding their collaboration. Consequently, this paper argues that developing effective troubleshooting support systems requires determining (1) what contextual information the participants requi...

In this exploratory qualitative study, we describe instructors’ self-reported practices for teaching and assessing students’ ability to troubleshoot in electronics lab courses. We collected audio data from interviews with 20 electronics instructors from 18 institutions that varied by size, selectivity, and other factors. In addition to describing participants’ instructional practices, we charac...

Firewalls are important elements of enterprise security and have been the most widely adopted technology for protecting private networks. The quality of protection provided by a firewall mainly depends on the quality of its policy (i.e., configuration). However, due to the lack of tools for verifying and troubleshooting firewall policies, most firewalls on the Internet have policy errors. A fir...