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Code portability is a desirable non-functional requirement. The most established metric evaluating it consists of counting the number of instructions that use platform specific APIs. Generally, instructions using APIs are preceded or followed by related code that e.g. prepares some input for a call or analyses the return value. This paper proposes a taint analysis approach to identify code portions...
Exception handling allows developers to deal with abnormal situations that disrupt the execution flow of a program. There are mainly three types of exceptions: standard exceptions provided by the programming language itself, custom exceptions defined by the project developers, and third-party exceptions defined in external libraries. We conjecture that there are multiple factors that affect the use...
Users of Question & Answer websites often include code fragments in their questions. However, large and unexplained code fragments make it harder for others to understand the question, thus possibly impacting the time required to obtain a correct answer. In this paper, we quantitatively study this relation: We look at questions containing code fragments and investigate the influence of explaining...
This paper reports initial research results related to the use of locality-sensitive hashing (LSH) for string-based matching of big ontologies. Two ways of transforming the matching problem into a LSH problem are proposed and experimental results are reported. The performed experiments show that using LSH for ontology matching could lead to a very fast matching process. The quality of the alignment...
Arabic Natural Language Processing (ANLP) has known an important development during the last decade. Nowadays, several ANLP tools are already developed such as morphological analyzers. These analyzers are often used in more advanced applications such as syntactic parsers, search engines, machine translation systems, etc. However, the choice of a morphological analyzer to use, among others, can be...
A key constraint on software development is reliance on tools, which we define as COTS products, software services, languages, frameworks and platforms. These tools may have significant architectural impacts that are not obvious when the requirements are elicited, tools selected, and architecture sketched out. In this paper, we report on a case study we conducted to identify architecturally significant...
Software metrics are developed and used by the various software organizations for evaluating and assuring software source code quality, operation, and maintenance. Software metrics measure various types of software complexity like source size, control flow and data flow metrics. Software metrics can be used in different phases of the software development lifecycle. This paper proposes a novel source...
Detecting clones from large datasets is an interesting research topic for a number of reasons. However, building scalable clone detection tools is challenging and it is often impossible to use existing state of the art tools for such large datasets. In this research we have investigated the use of our Shuffling Framework for scaling classical clone detection tools to ultra large datasets. This framework...
Advanced Encryption Standard's performance is changing depending on the platform it is run. In doing these benchmarks, we observed the behavior of AES algorithm on several programming environments, on different operating systems and on various computational platforms concluding that not all of them offer the same performance. We noticed, in doing these tests, that the best performance is offered by...
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