But those wishing to track it to its main source should pursue it by bus through Kentish Town and up the Highgate Road to Parliament Hill Fields.
It uses MedISys as its main source, and uses natural language processing methods for analyzing the news stream to build a database of facts about the epidemiological events.
"It's as though it were being asked to give up its main source of income.
Its main source of influence is that it will have the ear of lawmakers who can tighten the bailout purse-strings or rewrite its charter.
Endowed with tropical beaches, rainforest and active volcanoes, it has a developing tourist industry - its main source of hard currency.
It reportedly projects some $3 billion in sales by 2018, although in 2015 it generated only about $100 million from advertising, currently its main source of revenue.
The Kremlin will find it more difficult to impose its will on the country if its main source of patronage is diminished.
Natural gas - much of it exported to the US - is expected to overtake oil as its main source of revenue.
Minerals are Peru's leading export, mining its main source of foreign exchange.
The Japanese invaded Southeast Asia, and America lost its main source of natural rubber.
Until recently, Bayer's drug business was its main source of profit growth.
