A* search algorithm

In computer science, A* (pronounced as "A star" ( listen)) is a computer algorithm that is widely used in pathfinding and graph traversal, the process of plotting an efficiently traversable path between multiple points, called nodes. Noted for its performance and accuracy, it enjoys widespread use. However, in practical travel-routing systems, it is generally outperformed by algorithms which can pre-process the graph to attain better performance, although other work has found A* to be superior to other approaches.

Peter Hart, Nils Nilsson and Bertram Raphael of Stanford Research Institute (now SRI International) first described the algorithm in 1968. It is an extension of Edsger Dijkstra's 1959 algorithm. A* achieves better performance by using heuristics to guide its search.

History

In 1968, AI researcher Nils Nilsson was trying to improve the path planning done by Shakey the Robot, a prototype robot that could navigate through a room containing obstacles. This path-finding algorithm, that Nilsson called A1, was a faster version of the then best known method, Dijkstra's algorithm, for finding shortest paths in graphs. Bertram Raphael suggested some significant improvements upon this algorithm, calling the revised version A2. Then Peter E. Hart introduced an argument that established A2, with only minor changes, to be the best possible algorithm for finding shortest paths. Hart, Nilsson and Raphael then jointly developed a proof that the revised A2 algorithm was optimal for finding shortest paths under certain well-defined conditions.

Like a Star

"Like a Star" is a song by English soul singer–songwriter Corinne Bailey Rae from her self-titled debut album, Corinne Bailey Rae (2006). Released in November 2005 as her debut single and re-released in October 2006, the song was nominated for the 2008 Grammy Award for Song of the Year. It remains Bailey Rae's biggest hit single in the USA to date, and her only one to reach the Top 60 of the Billboard Hot 100.

The song was included on the international soundtrack of the Brazilian soap opera Sete Pecados.

The song was performed by The Voice UK contestant Becky Hill in the second Semi-Final and a studio version was recorded for 'The Voice UK, The Final 8 - The Album'.

Original release

"Like a Star" was originally released in the United Kingdom on 7 November 2005 in a limited-edition format; only 3000 copies were made, becoming much sought-after item by Rae fans. It was sent out to test the water ahead of a proper release, and after Rae gave a critically acclaimed performance of the song on Later... with Jools Holland, it instantly sold out. The single's music video was directed by James Griffiths.

Music video

A music video or song video is a short film integrating a song and imagery, produced for promotional or artistic purposes. Modern music videos are primarily made and used as a marketing device intended to promote the sale of music recordings. There are also cases where songs are used in tie in marketing campaigns that allow them to become more than just a song. Tie ins and merchandising could be used in toys are marketing campaigns for food and other products. Although the origins of music videos date back to musical short films that first appeared in the 1920s, they came into prominence in the 1980s when MTV based their format around the medium. Prior to the 1980s, these works were described by various terms including "illustrated song", "filmed insert", "promotional (promo) film", "promotional clip", "promotional video", "song video", "song clip" or "film clip". Since the creation and increased popularity of YouTube, mainstream artists now promote new music videos by releasing trailers of short promos on the site for their upcoming song and music video. Consequentially, YouTube has been converted into a social media platform for celebrities and artists to market themselves to their fans and audiences.

I Am

I Am may refer to:

Music

Albums

Songs

Fly Project

Fly Project..

Career

Fly Project made its debut in music already in 2005 with the song "Raisa". The song became popular, reaching charts in Europe, including the French Singles Chart and the Romanian Top 100. Then they released their debut studio album, called Fly Project. One year later, a Romanian language song, called "K-Tinne" reached the position #52 in Romanian Top 100's 2007 year-end chart, while reaching the first position in their native country's weekly chart.

After a break, the band released "Brasil", which topped charts from Romania, Russia, Greece, Spain, Moldova, Turkey, the Netherlands, Serbia Hungary and other. The single was nominated for "Best dance song" on the Romanian Music Awards. Their song "Mandala" from 2011, reached for the first time a top-ten peak position in Russia and the later released song "Goodbye" was the most playied song in their native country in that year. It rose up to popularity in more countries and reached the first position in the Romanian Singles Chart and the fourth position in the Romanian End-Year Chart. "Musica" was released in 2013 and became the band's second most successful single. It was a top-ten hit in Italy and Russia and was certified gold by the FIMI.