#Janetter 403 forbidden software#
Following standard techniques from software product line engineering, we present a framework to customize the graph-based representation to support a variety of application scenarios. We also discuss application-specific variation points in the graph-based representation of bigraphs.
We use typed graphs as a formal underpinning of EMOF-based models and present a canonical mapping which maps bigraphs to typed graphs in a natural way. To overcome this situation, we propose an abstract syntax for bigraphs which is compliant to the Essential MOF (EMOF standard defined by the Object Management Group (OMG. Moreover, tools can be hardly integrated with standard MDE technologies in order to build sophisticated tool chains and modeling environments, as required for systematic engineering of large systems or fostering experimental work to evaluate the bigraphical theory in real-world applications. As a consequence, available modeling and analysis tools use proprietary formats for representing bigraphs internally and persistently, which hampers the exchange of models across tool boundaries. However, in contrast to modeling standards based on the Meta-Object Facility (MOF and domain-specific languages typically used in model-driven engineering (MDE, the bigraphical theory lacks a precise definition of an abstract syntax for bigraphical modeling languages. Besides an algebraic notation, which can be adopted to provide an algebraic syntax for bigraphs, the bigraphical theory introduces a visual concrete syntax which is intuitive and unambiguous at the same time the standard visual notation can be customized and thus tailored to domain-specific requirements. WASTK is evaluated on different datasets and, as a result, performs much better than other popular methods like Sim and JPlag.Īn EMOF-Compliant Abstract Syntax for Bigraphsįull Text Available Bigraphs are an emerging modeling formalism for structures in ubiquitous computing. Each node in an abstract syntax tree is assigned a weight by TF-IDF.
#Janetter 403 forbidden code#
To avoid misjudgment caused by trivial code snippets or frameworks given by instructors, an idea similar to TF-IDF (Term Frequency-Inverse Document Frequency in the field of information retrieval is applied. WASTK firstly transfers the source code of a program to an abstract syntax tree and then gets the similarity by calculating the tree kernel of two abstract syntax trees. Different from other plagiarism detection methods, WASTK takes some aspects other than the similarity between programs into account. WASTK: A Weighted Abstract Syntax Tree Kernel Method for Source Code Plagiarism Detectionĭirectory of Open Access Journals (Sweden)įull Text Available In this paper, we introduce a source code plagiarism detection method, named WASTK (Weighted Abstract Syntax Tree Kernel, for computer science education.
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