Qinghua Lu

Resource requests prediction in the cloud computing environment with a deep belief network

2016 · Software Practice and Experience

Summary Accurate resource requests prediction is essential to achieve optimal job scheduling and load balancing for cloud Computing. Existing prediction approaches fall short in providing satisfactory accuracy because of high variances of cloud metrics. We …

A Landscape of Cryptocurrencies

2019

Although cryptocurrencies have attracted a large amount of users and investors and there has been various researches in the area of distributed ledger technology (DLT), there is little work on cryptocurrency studies. Given the rapidly …

Patterns for Blockchain-Based Payment Applications

2021 · arXiv (Cornell University)

As the killer application of blockchain technology, blockchain-based payments have attracted extensive attention ranging from hobbyists to corporates to regulatory bodies. Blockchain facilitates fast, secure, and cross-border payments without the need for intermediaries such as …

A Pattern Language for Blockchain Governance

2022 · arXiv (Cornell University)

Blockchain technology has been used to build next-generation applications taking advantage of its decentralised nature. Nevertheless, there are some serious concerns about the trustworthiness of blockchain due to the vulnerabilities in on-chain algorithmic mechanisms, and …

A Taxonomy of Foundation Model based Systems through the Lens of Software Architecture

2023 · arXiv (Cornell University)

The recent release of large language model (LLM) based chatbots, such as ChatGPT, has attracted huge interest in foundation models. It is widely believed that foundation models will serve as the fundamental building blocks for …

Still Confusing for Bug-Component Triaging? Deep Feature Learning and Ensemble Setting to Rescue

2023

To speed up the bug-fixing process, it is essential to triage bugs into the right components as soon as possible. Given the large number of bugs filed everyday, a reliable and effective bug-component triaging tool …

Human-understandable explanation for software vulnerability prediction

2025 · Journal of Systems and Software

Recent advances in deep learning have significantly improved the performance of software vulnerability prediction (SVP). To enhance trustworthiness, the SVP highlights predicted lines of code (LoC) that may be vulnerable. However, providing LoC alone is …