Zhihui Guo Email and Phone Number

– Analyzed service log data to understand data features and discover useful information.– Created visualization for service log data to identify service errors and meaningful service usage patterns.– Researched on outlier detection algorithms to prepare for service outlier detection.

Phone Communication Testing for integrated in-vehicle system– Tested and managed feature areas including Phonebook and Messaging to deliver quality, stable and seamless phone communication experience to consumers.– Created Test Design Specification for Phonebook and Messaging for comprehensive testing instructions.– Designed, developed and implemented automated UI testing, stress testing and performance testing.– Automated tests for profiles, services and end-to-end scenarios.– Executed test cases, analyzed test case failures and verified bug fixes.

Load Curve Data Analyzing & Cleansing– Designed and implemented a system with user-friendly interface using C# to facilitate power utilities to analyze and clean corrupted load curve data effectively and efficiently.– Employed the system to help the company reduce the load curve cleaning time from more than one month to less than one week.– Compiled a User Manual to present end users a brief review of the system and a System Design Document to aid technical staff with future system maintenance.– Devised a well-structured training procedure to train employees to have a comprehensive understanding of the software system.

Outlier Detection & Periodicity Detection in Load Curve Data– Analyzed load curves to discover their characteristics and a new type of outlier.– Proposed an effective algorithm for outlier detection and repairing in load curve data.– Developed a novel method for periodicity detection in load curve data.