Question: The venue for 2017 World Series of Poker is owned by which organization?

full_context: Document 1: Riviera (hotel and casino): Riviera (colloquially, "the Riv") was a hotel and casino on the Las Vegas Strip in Winchester, Nevada, which operated from April 1955 to May 2015. It was last owned by the Las Vegas Convention and Visitors Authority, which decided to demolish it to make way for the Las Vegas Global Business District.
Document 2: Rio Casino Resort: Rio Casino Resort (formerly known as Tusk Rio Casino Resort) is a casino and resort in Klerksdorp, South Africa. At 266330 sqft , it is one of the largest casinos in the Southern Hemisphere.
Document 3: The Palazzo: The Palazzo is a luxury hotel and casino resort located on the Las Vegas Strip in Paradise, Nevada. It is the tallest completed building in Nevada. Designed by the Dallas based HKS, Inc., the hotel offers luxury in an Italian Renaissance ambiance. The hotel and casino are part of a larger complex (operated as one hotel) comprising the adjoining Venetian Resort and Casino and the Sands Convention Center, all of which are owned and operated by the Las Vegas Sands Corporation.
Document 4: World Series of Poker bracelet: The World Series of Poker (WSOP) bracelet is considered the most coveted non-monetary prize a poker player can win. Since 1976, a bracelet has been awarded to the winner of every event at the annual WSOP. Even if the victory occurred before 1976, WSOP championships are now counted as "bracelets". During the first years of the WSOP only a handful of bracelets were awarded each year. In 1990, there were only 14 bracelet events. By 2000, that number increased to 24. As the popularity of poker has increased during the 2000s, the number of events has likewise increased. In 2011, 58 bracelets were awarded at the WSOP, seven at the World Series of Poker Europe (WSOPE), and one to the WSOP National Circuit Champion. This brought the total number of bracelets awarded up to 959. Five additional bracelets were awarded for the first time in April 2013 at the inaugural World Series of Poker Asia-Pacific (WSOP APAC) in Melbourne, Australia.. In 2017, 74 for bracelets were awarded at the WSOP and an additional 11 will be awarded at the WSOPE in Czech Republic.
Document 5: 2017 World Series of Poker: The 2017 World Series of Poker was the 48th annual World Series of Poker (WSOP). It took place from May 30-July 17 at the Rio All-Suite Hotel & Casino in Las Vegas, Nevada. There was a record 74 bracelet events including the third edition of the $565 Colossus tournament and the $10,000 No Limit Hold'em Main Event, which began on July 8.
Document 6: Full Tilt Poker Championship at Red Rock: Full Tilt Poker Championship at Red Rock (also FullTiltPoker.Net Championship at Red Rock) was a seven-week televised shootout poker tournament played at the Red Rock Resort Spa and Casino in Summerlin near Las Vegas, Nevada. The tournament was sponsored by online poker website Full Tilt Poker and aired by Fox Sports Net. In each of the first six episodes, six professional poker player affiliated with Full Tilt Poker played a single-table freezeout tournament. The winner of each freezeout won US$25,000 and advanced to the seven-handed final table. The seventh seat at the final table was filled by Stefan Rehn, an Internet qualifier. Tournaments featured a speed poker format, with players having 30 seconds to act on their hands with one 60-second time extension per match.
Document 7: Rio Secco Golf Club: Rio Secco Golf Club is a public golf course located in the affluent Seven Hills neighborhood of Henderson, in the Las Vegas Valley. The course has hosted the annual Tiger Woods Jam and other charity and competitive events including the VegasGolfer Pro Showdown. The golf course was recently honored as the 19th best public golf course in the western United States. The course was also ranked in the Top 10 in Nevada by "Golfweek Magazine". It is owned and operated by Caesars Entertainment Corporation.
Document 8: Caesars Entertainment Corporation: Caesars Entertainment Corporation, is an American gaming corporation based in Paradise, Nevada that owns and operates over 50 casinos and hotels, and seven golf courses under several brands. It is the fourth-largest gaming company in the world, with annual revenues of $8.6 billion (2013). Caesars is a public company, majority-owned by a group of private equity firms led by Apollo Global Management and TPG Capital.
Document 9: World Series of Poker Asia Pacific: The World Series of Poker Asia Pacific (WSOP APAC) is the third expansion of the World Series of Poker-branded poker tournaments outside the United States. Since 1970 participants have had to travel to Las Vegas, Nevada to compete in the World Series of Poker (WSOP). Although the WSOP started holding circuit events in 2005 in other states, the main tournaments, which awarded bracelets to the winners, were exclusively held in Las Vegas. In 2007 the inaugural World Series of Poker Europe marked the first time that a WSOP bracelet was awarded outside Las Vegas. The WSOP further expanded to Africa in 2010 and 2012 however these events did not award any bracelets.
Document 10: 2006 World Series of Poker: The 2006 World Series of Poker (WSOP) began on June 25, 2006 with "satellite" events, with regular play commencing on June 26 with the annual Casino Employee event, and the Tournament of Champions held on June 28 and 29. Forty more events in various disciplines including Omaha, seven-card stud and razz, plus ladies' and senior tournaments led up to the 10,000 US$ no-limit Texas hold 'em main event starting July 28 and running through the final table on August 10.
Document 11: Super High Roller Bowl: The Super High Roller Bowl is an annual high stakes No Limit Hold'em poker tournament that takes place at the Aria Resort and Casino in Las Vegas, Nevada. The first edition of the event was held in July 2015 and featured a $500,000 buy-in, drawing a field of 43 players. Brian Rast won the inaugural tournament, earning $7,525,000. For its second year the tournament was moved to May and the buy-in was lowered to $300,000. Entries increased to 49 and Rainer Kempe captured the first prize of $5,000,000. The website Poker Central sponsors the event and features a live stream throughout the duration of the tournament.
Document 12: 2017 World Series of Poker results: Below are the results of the 2017 World Series of Poker, held from May 31-July 22 at the Rio All Suite Hotel and Casino in Las Vegas, Nevada.
Document 13: World Series of Poker Africa: The World Series of Poker Africa (WSOPA) is the second expansion effort of World Series of Poker-branded poker tournaments outside the United States. Since 1970, participants had to travel to Las Vegas if they wanted to compete in the World Series of Poker (WSOP). Although the WSOP started holding circuit events in 2005 in other states, the main tournaments, which awarded bracelets to the winners, were exclusively held in Las Vegas. In 2007, the inaugural World Series of Poker Europe marked the first time that a WSOP bracelet was awarded outside of Las Vegas. In 2010, the WSOP expanded overseas once again, only this time to Gauteng, South Africa. While the WSOPE awarded bracelets, the WSOPA was considered a circuit event with the winners receiving Championship Rings instead of bracelets. The WSOPA did not occur in 2011, but the series of tournaments resumed in 2012.
Document 14: World Series of Poker: The World Series of Poker (WSOP) is a series of poker tournaments held annually in Las Vegas and, since 2005, sponsored by Caesars Entertainment Corporation (known as Harrah's Entertainment until 2010). It dates its origins to 1970, when Benny Binion invited seven of the best-known poker players to the Horseshoe Casino for a single tournament, with a set start and stop time, and a winner determined by a secret ballot of the seven players.
Document 15: Rio All Suite Hotel and Casino: Rio Las Vegas is a hotel and casino near the Las Vegas Strip in Paradise, Nevada, United States. It is owned and operated by Caesars Entertainment Corporation. The Rio was the first all suite resort in the Las Vegas area. It was named after the city of Rio de Janeiro and is influenced by Brazilian culture. It is the host casino for the World Series of Poker.
ground_truth: Caesars Entertainment Corporation