Question: what is the name of the tallest building in the world located in dubai
Answer: The Burj Khalifa ( Arabic : برج خليفة ‎ , Arabic for `` Khalifa Tower '' ; pronounced English : / ˈbɜːrdʒ kəˈliːfə / ) , known as the Burj Dubai before its inauguration in 2010 , is a skyscraper in Dubai , United Arab Emirates .