S. Cheung

Publications269
h-index41
Citations5,597
Highly Influential Citations370
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Context-Aware Patch Generation for Better Automated Program Repair
TLDR
The effectiveness of search-based automated program repair is limited in the number of correct patches that can be successfully generated. Expand
ReLink: recovering links between bugs and changes
TLDR
Software defect information, including links between bugs and committed changes, plays an important role in software maintenance such as measuring quality and predicting defects. Expand
Characterizing and detecting performance bugs for smartphone applications
TLDR
We conducted a study of 70 real-world performance bugs collected from eight large-scale and popular Android applications. Expand
Metamorphic Testing: A New Approach for Generating Next Test Cases
TLDR
We propose a novel test case selection technique that derives new test cases from the successful ones. Expand
Taming Android fragmentation: Characterizing and detecting compatibility issues for Android apps
TLDR
We propose a technique named FicFinder to automatically detect compatibility issues in Android apps and uncover previously-unknown issues. Expand
An empirical study on TensorFlow program bugs
TLDR
We studied deep learning applications built on top of TensorFlow and collected program bugs related to Tensorflow from StackOverflow QA pages and Github projects. Expand
Locus: Locating bugs from software changes
TLDR
We propose to locate bugs using software changes, which offer finer granularity than files and provide important contextual clues for bug-fixing. Expand
GreenDroid: Automated Diagnosis of Energy Inefficiency for Smartphone Applications
TLDR
We propose an automated approach to diagnosing energy problems in Android applications, and observed two common causes of energy problems. Expand
Understanding a developer social network and its evolution
TLDR
We compare DSNs with popular GSNs such as Facebook, Twitter, Cyworld (a large social network in South Korea), and Amazon recommendation network. Expand
Workflow View Driven Cross-Organizational Interoperability in a Web Service Environment
TLDR
We present a meta-model of workflow views and their semantics using a cross-organization workflow example based on a supply-chain e-service. Expand
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