guilan province is located in north of iran. it plays an important natural, economic and strategic role in iranian history due to its geographical location between the caspian sea and the alborz mountain. this particular characteristic of guilan has made it one of the most important political centers in its history and in the history of its struggles against the central government of iran. iran...

Summary. In this paper we provide a regional geographic analysis of the Visegrad Group, V4 as distinguished geographical unit on map Central Europe. The roots which was founded 15 February 1991, can be traced to Middle Ages. However, Soviet rule and resistance against it, other most recent mutual interests, such EU accession in 2004 V4’s attitude towards EU’s refugee crisis 2015 – rather than m...

This research presents a framework that supports usability experts in determining which method to use when evaluating Mobile Mixed Reality Games (MMRGs). These are games that combine the real and virtual world by means of e.g. a smartphone and require the player to change their geographical location. As some different styles of MMRGs exist, e.g. running versus cunning or multiplayer versus sing...

Abstract Spam annoys users and poses a security threat. This article proposes spam filter based on geographical location of the sender determined by IP geolocation. was implemented as plugin to SpamAssassin anti-spam software. The allows define penalty score for specific countries sending spam. proposed tested dataset 1500 e-mails consisting 1200 300 legitimate e-mails. Matthews correlation coe...

A whole new class of location-aware services may be envisaged by the deployment of a geographic location service for Internet hosts. We focus on a technique that relies on delay measurements and the exploitation of a possible correlation between geographic distance and network delay. Our investigation shows that such a correlation becomes stronger as connectivity becomes richer. Host locations ...