The quality of dissertations is the basic core development professional degree postgraduate education. With transformation economic mode and steady progress construction an innovative country, demand for postgraduates in social has increased significantly. result that number significant growth difficult to guarantee. most prominent represented by declined varying degrees. Through on-the-spot in...

The concept of backdoor was introduced to try to explain the good performances achieved on real world SAT instances by solvers. A backdoor is a set of variables that, once decided, makes the rest of the problem simple (i.e. polynomial-time). In this thesis we provide a comprehensive overview on the state of the art of backdoors for SAT. Moreover, we study the relation between backdoors and para...

Investment in research is indeed a "rational" investment. Thesis issues and projects in highereducation are the sources of research at educational institutions and have an evident role in helpingprofessionals and researchers. However, lack of fit scientific methods along with the ignorance ofthe proper processes of science has somewhat diminished the importance of research. This studypoints out...

Acknowledgements I would like to express my sincere gratitude to my supervisor Johan van Benthem for his guidance during all the period of the master thesis, for his precious comments and suggestions and for teaching the DEL project in January, with Davide Grossi, which provided me with the necessary background on dynamic epistemic logics to carry out this thesis project. I am also extremely gr...

background this research analyses the sources of theses of master of science graduated from medical sciences of jundishapur university between 1999-2011 for studying their documents. material and methods the method of research is descriptive and a kind of analyzing documents which are the most known method in bibliometrics studies. statistical analysis used in this study bradford law. results r...

Video streaming is becoming more mainstream as the availability of Internet and bandwidth is increasing. At the same time, the surge in computational power in laptops and stationary computers for home use has caused persistent 3D online worlds to gain momentum, and these worlds are now big contenders in the entertainment industry. Recently, we have also seen the start of a synergy of online vir...