Marija Katić

Biochemical and epigenetic changes in phytoplasma-recovered periwinkle after indole-3-butyric acid treatment.

Aim:  To elucidate the possible mechanism of phytoplasma elimination from periwinkle shoots caused by indole‐3‐butyric acid (IBA) treatment.

Proactive Reactive Scheduling in Resource Constrained Projects with Flexibility and Quality Robustness Requirements

This paper presents a new approach to proactive reactive scheduling of stochastic resource-constrained project scheduling problems with known probability distributions of activity durations. To facilitate the search for cost-flexible proactive schedules that are adjustable and incur lower expected cost of future rescheduling, a new family of cost-based flexibility measures is introduced. Under these measures, cost is incurred on each rescheduling while taking into account the temporal distance of changes in the baseline schedule. We propose a new model that describes the integrated approach using the proposed cost-based flexibility measures where, in each stage, reactive scheduling can adjust the baseline schedule to accommodate flexibility and quality requirements. The model is based on bounded stochastic shortest path with finite state and action spaces. The commonly used schedule stability measure is put in the context of proposed family of flexibility measures and contrasted to them in the terms of project execution system properties.

Model for Dynamic Evolution of Aspect-Oriented Software

The number of application domains in which systems must deliver continuous reliable service during update is growing as well as the application of aspect-oriented paradigm in such systems. In this paper we address the problem of updating running aspect-oriented software. The goal of the research is to design and to build the model for dynamic update of aspect-oriented software considering continuity of updates (in the presence of prior updates) that enables such software to be updated at runtime.

Planning horizons based proactive rescheduling for stochastic resource-constrained project scheduling problems

Abstract Parties that collaborate on projects need to synchronize their efforts. For this reason they seek a decreased rescheduling variability of the time arrangements. Proactive–reactive scheduling is important in such situations. It predominantly achieves synchronization through a shared baseline schedule and deviation penalties. As the latter currently introduce an unrealistically high level of inflexibility, the solution methods never proactively update the baseline schedule. We propose threshold-based cost functions for the deviation penalties to enable a more realistic modeling of aspects of project collaboration. These functions introduce a greater degree of flexibility through the notion of planning horizons for the activities. This results in the possibility of profitable proactive changes to the baseline schedule. We present two metaheuristic approaches for the case of stochastic durations: rollout-based and iterative policy search. Both these approaches use such opportunities to achieve substantial cost–performance improvements in comparison to the best existing method. This enhancement comes at the price of an increased computational burden and the greater complexity of the solution space.

Why attending conferences is important for your research: ESEC/FSE 2013 experience summary

In this paper, a personal perspective on how important for a scientist is to attend conferences is given. The report is influenced by the authors attendance of the 9th joint meeting of the European Software Engineering Conference and the ACM SIGSOFT Symposium on the Foundations of Software Engineering (ESEC/FSE 2013). ESEC/FSE 2013 took place in Saint Petersburg, Russia and gathered researchers, practitioners, and educators from all over the world that presented and discussed the most recent work, trends, and challenges in the field of software engineering. ESEC/FSE joined the main conference, and several co-located events: two conferences, four workshops, doctoral symposium and seven tutorials. While the main conference covered broad topics in software engineering, the two co-located conferences were targeted to the specific software engineering community: multicore software engineering, performance, and tools, and to the search-based software engineering community. Additionally, there were four interesting workshops: on social software engineering, on software evolution, on software ecosystem architectures, and on software development lifecycle for mobile. Keywords Software engineering, discuss, attending conferences.