conexp-ng - ConExp-NG is a simple GUI-centric tool for the study & research of Formal Concept Analysis (FCA) that allows you to create formal contexts, draw concept lattices and explore dependencies between attributes.
On 9 January 1909, British polar explorer Ernest Shackleton and three companions reached a new Farthest South latitude of 88° 23′ S, a point only 180 km from the South Pole and were forced to return to McMurdo Sound in a race against starvation.
On January 4, 1254, Flemish Franciscan missionary and explorer William of Rubruck was granted the priviledge of an audience at the great Mongol Möngke Khan in his court in Karakorum.
On November 27, 1754, German naturalist, ethnologist, travel writer, journalist, and revolutionary Georg Forster was born. At an early age, he accompanied his father on several scientific expeditions, including James Cook's second voyage to the Pacific. His most famous work 'A Voyage Round the World' is considered as the beginning of modern scientific travel literature, which also made him a member of the famous Royal Society.
On October 17, 1835, Dutch explorer of Africa Alexandrine Petronella Francina Tinne was born. She was the first European woman to attempt to cross the Sahara.
On October 17, 1835, Dutch explorer of Africa Alexandrine Petronella Francina Tinne was born. She was the first European woman to attempt to cross the Sahara.
On 10 August 1519, five ships under Portuguese explorer Ferdinand Magellan's command left Seville and descended the Guadalquivir River to Sanlúcar de Barrameda, at the mouth of the river. After further preparation 5 weeks later the ships set sail for the very first circumnavigation of the earth.
On August 1, 1785, French Navy officer Jean-François de La Pérouse with 2 ships, the Astrolabe and the Boussole, and 200 men left Brest to lead an expedition around the world. The objectives of the journey were to complete the Pacific discoveries of James Cook (whom Lapérouse greatly admired), correct and complete maps of the area, establish trade contacts, open new maritime routes and enrich French science and scientific collections.
On July 27, 1740, French natural scientist Jeanne Baret was born. She was probably the first woman to circumnavigate the globe, but with certainty she was the first woman who achieved this disguised as a man.
On June 3, 1539, Spanish conquistador and explorer Hernan de Soto, with all the dignitaries and necessary paraphernalia, took formal possession of La Florida, where he landed nine ships with more than 620 men and 220 horses. De Soto's expedition was the first European expedition leading deep into the territory of the modern-day United States, searching for gold, silver and also a passage to China. Moreover, he also was the first European documented to have crossed the Mississippi River.
On June 3, 1539, Spanish conquistador and explorer Hernan de Soto, with all the dignitaries and necessary paraphernalia, took formal possession of La Florida, where he landed nine ships with more than 620 men and 220 horses. De Soto's expedition was the first European expedition leading deep into the territory of the modern-day United States, searching for gold, silver and also a passage to China. Moreover, he also was the first European documented to have crossed the Mississippi River.
On May 14, 1804, American explorers Meriwether Lewis and William Clark departed for the first American expedition to cross what is now the western portion of the United States, departing from St. Louis on the Mississippi River making their way westward through the continental divide to the Pacific coast.
S. Ahern, M. Naaman, R. Nair, и J. Yang. Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, стр. 1--10. New York, NY, USA, ACM, (2007)