The Smart Engine Database


Worldwide Stock Markets map from displays the current local status (open, closed or holiday) for 11 Stock Exchanges globally. The information displayed is based on publically available information gathered from the various stock exchanges around the World. Different countries celebrate their own holidays and each Stock Exchange has its own working hours or working days (i.e.Persian Gulf countries observe a Friday-Saturday weekend). Additionally, some stock markets use early closing (half-day trading), and operate from morning till 13:00 (i.e. day after Thanksgiving in USA) or afternoon hours - from 13:00 till closure (day after the end of the Carnival (Mardi Gras) in Brazil).

Like any other map, The Internet map is a scheme displaying objects’ relative position; but unlike real maps (e.g. the map of the Earth) or virtual maps (e.g. the map of Mordor), the objects shown on it are not aligned on a surface. Mathematically speaking, The Internet map is a bi-dimensional presentation of links between websites on the Internet. Every site is a circle on the map, and its size is determined by website traffic, the larger the amount of traffic, the bigger the circle. Users’ switching between websites forms links, and the stronger the link, the closer the websites tend to arrange themselves to each other.

Real-time Air Quality Index for more than 60 countries in the world. Air Pollution in the world: Real-time Air Quality Index Visual Map. Polluted air is a major health hazard in developing countries.  Improvements in pollution monitoring and statistical techniques during the last several decades have steadily enhanced the ability to measure the health effects of air pollution. Current methods can detect significant increases in the incidence of cardiopulmonary and respiratory diseases, coughing, bronchitis, and lung cancer, as well as premature deaths from these diseases resulting from elevated concentrations of ambient Particulate Matter cording to a WHO survey of 1600 world cities, is the worst of any major city in the world. Polluted air is a major health hazard in developing countries. Improvements in pollution monitoring and statistical techniques during the last several decades.

The easy-to-use getaway to historical maps in libraries around the world. Developed out of a love of history and heritage of old maps. The project began as a collaboration between Klokan Technologies GmbH, Switzerland and The Great Britain Historical GIS Project based at the University of Portsmouth, UK thanks to funding from JISC. Since January 2013 is the project improved and maintained by volunteers and the team of Klokan Technologies GmbH in their free time. Thousands of high-resolution digital images of maps from the David Rumsey Collection, one of the largest private collections of historic maps.