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Information Retrieval (IR) identifies trace links based on textual similarities among software artifacts. However, the vocabulary mismatch problem between different artifacts hinders the performance of IR-based approaches. A growing body of work addresses this issue by combining IR techniques with code dependency analysis such as method calls. However, so far the performance of combined approaches...
For complex and popular software, project teams could receive a large number of bug reports. It is often tedious and costly to manually assign these bug reports to developers who have the expertise to fix the bugs. Many bug triage techniques have been proposed to automate this process. In this paper, we describe our study on applying conventional bug triage techniques to projects of different sizes...
CMMI(Capability Maturity Model Integration) is a process framework which is organized by goals, practice and process area. The Maturity Level 3 stressed that the project level process must be tailored from the organization level process, that is to say, no matter how the project level process changes, it must satisfy the constraints of the organization level process. However, companies usually prefer...
Cross-organizational collaboration encompasses two main factors: the coordination of information flows among organizations and the autonomy of each participant. An approach based on public-view and Object Petri net will be proposed in this paper, which is inspired by the similarity between cross-organizational workflow modeling and Object Petri net. The public view of each organization is the external...
The aim of process mining is to rediscover the process model from the event log which is recorded by the information system. Although the omnipresence of the event logs in information system, rarely part of them are considered to analyze the processes. In this paper, we present a new mining algorithm based on the event type we defined. This algorithm not only can detect all of the SWF-nets and short-loops,...
Leaf color has been commonly used as an index for crop stress status diagnosis. We have developed a low-cost and non-destructive method that is easy to use to assess the health status of plants, based on the estimation of chlorophyll content of leaves using a portable digital camera. Relationships between chlorophyll content and leaf image color indices in the RGB and Lab* space with the comparison...
Workflow net is a popular formal notation for modeling workflow process. The order relation of the workflow net is the important information to describe the parallel relation, sequential relation and choice relation. From the state of the art of Petri net theory, there are two basic approaches for to analyze the order relations of the work-flow net: state space method and invariant method. State space...
Information flow security has been an important security requirement of existing operating systems, especially for distributed applications. We are interested in protecting information flow security with an eye to information flow integrity and trusted computing. Although people have studied these two aspects already, each alone is insufficient for system security. In this paper, we design an information...
PSEE (process-centered software engineering environment) can manage and monitor software process. Software process modeling language is a core element in PSEE system. Software process model includes multiple views: activity view, product view and role view. According to the similarity between multi-view software process modeling and object Petri nets, this paper proposes the MOPN-SP-net model which...
With the component-based development becoming the mainstream of software development, original component technologies focusing on describing the static information of components like interfaces and interactions seems to be weak in today's distributed and open software environment. In this paper we propose a new component model with component's behavior introduced in, supporting a flexible and extendable...
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