‎an  oriented perfect path double cover (oppdc) of a‎ ‎graph $g$ is a collection of directed paths in the symmetric‎ ‎orientation $g_s$ of‎ ‎$g$ such that‎ ‎each arc‎ ‎of $g_s$ lies in exactly one of the paths and each‎ ‎vertex of $g$ appears just once as a beginning and just once as an‎ ‎end of a path‎. ‎maxov{'a} and ne{v{s}}et{v{r}}il (discrete‎ ‎math‎. ‎276 (2004) 287-294) conjectured that ...

Languages for aspect-oriented programming (AOP) [5], such as AspectJ, are now popular, and the concepts used by the AOP community such as join points, pointcuts and advices are well-known. At the same time, in recent years, the aspect oriented software development (AOSD) approach has been developing itself beyond the programming activity. More particularly, the Early Aspects Initiative [9] advo...

reservoir dams are among the main storage systems employed in agriculture for the several past decades. proper operation of these reservoirs is important for irrigation espe-cially in such arid and semi-arid areas like iran, and particularly during dry years. a computational framework for reservoir simulation and flood routing is hereby presented. a key aspect of the reservoir simulation is the...

Aspect Oriented Software Development (AOSD) is an emerging paradigm that provides new mechanisms to support the modularization of concerns, which otherwise would crosscut the OO system decomposition. However, the accurate identification of concerns to be aspectized is far from being trivial and it requires a systematic design assessment and reasoning about multiple modularity principles. The ac...

this paper presents an appropriate categorization of business processes in order to study the different aspects of knowledge management for each kind of business processes. in this categorization, business processes are classified into the four categories including work-flow oriented, decision oriented, information oriented and motivation oriented. then, the special attributes and knowledge man...

In the present study, field oriented control of step motor implementation has been analyzed sothat it can make a Sensorless control. Efficiency and Facilities of step motor is more than othertypes of electromotor. Therefore, the numbers of mechanisms and different types of turning canbe made into them. Also controlling these motors is easier than other available motors. Steppingmotor has been d...