Currently, most research on nonnegative matrix factorization (NMF) focus on 2-factor
X=FG^T factorization. We provide a systematicanalysis of 3-factor X=FSG^T NMF. While it …

In mission critical IT services, system failure prediction becomes increasingly important; it
prevents unexpected system downtime, and assures service reliability for end users. While …

High availability of information technology (IT)-applications and-infrastructure components is
a significant factor for the success of organizations because more and more business …

Success of manufacturing companies largely depends on reliability of their products.
Scheduled maintenance is widely used to ensure that equipment is operating correctly so as …

The importance of event logs, as a source of information in systems and network
management cannot be overemphasized. With the ever increasing size and complexity of …

Modern computing systems generate large amounts of log data. System administrators or
domain experts utilize the log data to understand and optimize system behaviors. Most …

Log files give insight into the state of a computer system and enable the detection of
anomalous events relevant to cyber security. However, automatically analyzing log data is …

We focus on the problem of detecting anomalous run-time behavior of distributed
applications from their execution logs. Specifically we mine templates and template …

Modern information and communication systems have become increasingly challenging to
manage. The ubiquitous system logs contain plentiful information and are thus widely …

Message type or message cluster extraction is an important task in the analysis of system
logs in computer networks. Defining these message types automatically facilitates the …