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Singh V.,Usha Martin Academy | Bhattacherjee V.,Birla Institute of Technology
International Journal of Engineering and Technology | Year: 2013

Coupling in software has been linked with maintainability and existing metrics are used as predictors of external software quality attribute such as fault-proneness, impact analysis, ripple effect of changes, changeability etc. Measurement helps in establishing these factors and hence the quality of a work product. Metric helps in deriving indicators from a collection of measures that can be used for analyzing and improving the quality baselines. Many coupling measures for object oriented software have been proposed each of them capturing specific dimensions of coupling. Coupling is considered by many to be an important concept in measuring design quality. Much of the existing work concentrates on direct coupling, that is, form of coupling that exists between entities that are directly related to each other. A form of coupling that has so far received little attention is indirect coupling, which is coupling between entities that are indirectly related. This paper identifies different coupling metrics both direct and indirect coupling metrics and study the impact on software quality. Source

Singh V.,Usha Martin Academy | Bhattacherjee V.,Birla Institute of Technology
International Journal of Multimedia and Ubiquitous Engineering | Year: 2014

This paper first computes the Complexity increment by taking four complexity metrics WMC (CK), CMC (Li), CC (BS) and CCC (S&B). The maintainability index of the successive version has been computed at the system level. The tracking of the number of classes added and deleted has also been obtained for the archaeology of successive versions. The understandability and the maintainability of software are then mapped with the trends of complexity increment, change in number of classes added and deleted and the Maintainability index. The complexity increments between successive versions give an indication towards the maturity level of software. These metrics are empirically evaluated with 38 versions of JFree Chart and nine versions of three live project data at the system level. © 2014 SERSC. Source

Singh V.,Usha Martin Academy | Bhattacherjee V.,Birla Institute of Technology
International Journal of Software Engineering and its Applications | Year: 2014

This paper computes reusability at the package level. To obtain the package reusability, authors has considered four design size package metrics. These metrics are then mapped to the Object-Oriented design properties: cohesion, coupling, messaging and the design size. The package reusability is empirically validated through three successive versions of the JFree Chart. © 2014 SERSC. Source

Raju P.G.,IBS Hyderabad Dontanapally | Modekurti-Mahato M.,Usha Martin Academy
International Journal of Services and Operations Management | Year: 2014

The present study examines the impact of lean manufacturing system (Toyotism) on two employment outcomes viz., upward feedback and on-the-job performance in garment manufacturing units in Andhra Pradesh and Jharkhand States in India. The review of literature reveals that shop-floor employees play a key role in the process of minimisation of waste in the lean manufacturing context since they interact with the direct operational environment. They have more ownership of the manufacturing process and have the capacity to make better improvement suggestions. Garment units that have introduced lean manufacturing system a year ago and integrated their core processes have been chosen for the study. The study reveals that there is positive relationship between upward feedback and job performance in such a way that the longer the lean manufacturing system is in operation, the higher will be its positive effect on the relationship between upward feedback and job performance. Copyright © 2014 Inderscience Enterprises Ltd. Source

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