Abstract: With the increasing amount of data in current OLAP databases, higher requirements are being placed on query efficiency. Index recommendation and materialized view recommendation are very ...

The biggest World Cup ever kicks off Thursday, bringing global soccer fans to North America. But the travel boom is looking like it will be a city-by-city, match-by-match test of pricing power, with ...

For five years, a small group of researchers, mediums, and investigators gathered in a quiet English village to conduct what would become one of the most controversial afterlife studies ever attempted ...