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Dynamic software updating (DSU) can upgrade arunning program on-the-fly by directly replacing the in-memorycode and reusing existing runtime state (e.g., heap objects) forthe updated execution. Additionally, it is usually necessary totransform the runtime state into a proper new state to avoidinconsistencies that arise during runtime states reuse amongdifferent versions of a program. However, such...
Dynamic software updating (DSU) is a technique that can update running software systems without stopping them. Most existing approaches require programmer participation to guarantee the correctness of dynamic updating. However, manually preparing dynamic updating is error-prone and time-consuming. Therefore, other approaches prefer to aggressively perform updating without programmer intervention,...
Dynamic software updating (DSU) aims to patch software for fixing bugs or adding functions while it is running. Before update, developers need to make a dynamic patch ready, which includes update points, state transformers and a corresponding code patch. Existing practice mostly assumes manual preparation of dynamic patches, but this process can be both time-consuming and error-prone. Some pioneer...
Smartphone applications are becoming increasingly popular. However, these applications can suffer limited power budgets or malfunctioned sensing issues from their host devices. Computation offloading addresses this issue by delegating local computation workloads to remote servers. In this paper, we present Cose Droid, a framework that supports dynamic computation- and sensing-offloading across different...
Self-adaptation ability is particularly desirable for mission critical software (MCS). This paper proposes a fuzzy control-based approach to provide a systematic, engineering, and intuitive way for programmers to achieve software self adaptation. This approach uses fuzzy logic to handle uncertainty in software, uses natural-language style to describe self-adaptation logic, and makes control visible...
With the wide availability of digital content and proliferation of Web2.0 applications, supporting secure and efficient identification of digital content becomes a more and more important issue. In early 2010, the Open Mobile Alliance (OMA) ratified a new standard known as Secure Content IDentification Mechanism (SCIDM) to facilitate the management of digital content. As the main contributors to the...
Recognizing human activities from sensor readings has recently attracted much research interest in pervasive computing. This task is particularly challenging because human activities are often performed in not only a simple (i.e., sequential), but also a complex (i.e., interleaved and concurrent) manner in real life. In this paper, we propose a novel emerging patterns based approach to sequential,...
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