## 3 Problem Description and Proposed Solution
### Method of the Proposed Approach
#### 3.2.3 Optimized PC Algorithm Based on Knowledge Graph
In Proceedings of the 2014 44 th Annual IEEE/IFIP International Conference on Dependable Systems and Networks, Atlanta, GA, USA, 23-26 June 2014. * [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] Logsed: Anomaly diagnosis through mining time-weighted control flow graph in logs. In Proceedings of the 2017 IEEE 10 th International Conference on Cloud Computing (CLOUD), Honolulu, CA, USA, 25-30 June 2017. * [PERSON] et al. (2012) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] P-tracer: Path-based performance profiling in cloud computing systems. In Proceedings of the 2012 IEEE 36 th Annual Computer Software and Applications Conference, Izmir, Turkey, 16-20 July 2012. * [PERSON] et al. (2002) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON] Pinpoint: Problem determination in large, dynamic internet services. In Proceedings of the Proceedings International Conference on Dependable Systems and Networks, Washington, DC, USA, 23-26 June 2002. * [PERSON] et al. (2017) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] AutoPath: Harnessing parallel execution paths for efficient resource allocation in multi-stage big data frameworks. In Proceedings of the 2017 26 th International Conference on Computer Communication and Networks (ICCCN), Vancouver, BC, Canada, 31 July-3 August 2017. * [PERSON] et al. (2014) [PERSON] [PERSON]; [PERSON]; [PERSON] [PERSON] CloRExPa: Cloud resilience via execution path analysis. _Future Gener. Comput. Syst._**2014**, _32_, 168-179. [CrossRef]
* [PERSON] et al. (2014) [PERSON]; [PERSON]; [PERSON]; [PERSON] CauseInfer: Automatic and distributed performance diagnosis with hierarchical causality graph in large distributed systems. In Proceedings of the IEEE Conference on Computer Communications, Toronto, ON, Canada, 27 April-2 May 2014. * [PERSON] et al. (2016) [PERSON]; [PERSON]; [PERSON] CauseInfer: Automated end-to-end performance diagnosis with hierarchical causality graph in cloud environment. _IEEE Trans. Serv. Comput._**2016**, _12_, 214-230. * [PERSON] et al. (2018) [PERSON]; [PERSON]; [PERSON] Microscope: Pinpoint performance issues with causal graphs in micro-service environments. In _Proceedings of the International Conference on Service-Oriented Computing, Hangzhou, China, 12-15 November 2018_; Springer: Cham, Switzerland, 2018. * [PERSON] et al. (2018) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] Cloudranger: Root cause identification for cloud native systems. In Proceedings of the 2018 18 th IEEE/ ACM International Symposium on Cluster, Cloud and Grid Computing (CCGRID), Washington, DC, USA, 1-4 May 2018. * [PERSON] et al. (2016) [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON]; et al. Mining causality graph for automatic web-based service diagnosis. In Proceedings of the 2016 IEEE 35 th International Performance Computing and Communications Conference (IPCCC), Las Vegas, NV, USA, 9-11 December 2016. * [PERSON] et al. (2018) [PERSON]; [PERSON]; [PERSON]; [PERSON] FacGraph: Frequent anomaly correlation graph mining for root cause diagnose in MSA. In Proceedings of the 2018 IEEE 37 th International Performance Computing and Communications Conference (IPCCC), Orlando, FL, USA, 17-19 November 2018. * [PERSON] et al. (2014) [PERSON]; [PERSON]; [PERSON]; [PERSON] Network application profiling with traffic causality graphs. _Int. J. Netw. Manag._**2014**, _24_, 289-303. * [PERSON] et al. (2013) [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] [PERSON]; [PERSON] Combining knowledge modeling and machine learning for alarm root cause analysis. _IFAC Proc. Vol._**2013**, _46_, 1843-1848. [CrossRef]
* [PERSON] et al. (2019) [PERSON]; [PERSON]; [PERSON] KPI-TSAD: A Time-Series Anomaly Detector for KPI Monitoring in Cloud Applications. _Symmetry_**2019**, _11_, 1350. [CrossRef]
* [PERSON] and [PERSON] (1991) [PERSON]; [PERSON] An algorithm for fast recovery of sparse causal graphs. _Soc.