PSO 1863512 211527128 2008-05-10T20:38:58Z Thijs!bot 1392310 robot Adding: [[de:PSO]], [[fr:PSO]] '''PSO''' may refer to: *[[Pakistan State Oil]] *[[Particle Swarm Optimization]] - a swarm intelligence optimization technique *Paysite operator - the owner/operator of a [[paysite]] *[[Peace Support Operations]] - an international collection of armed forces intended to observe peace, generally under UN auspices *[[Penalty shootout]] - a method of determining a winner in sports matches which would have otherwise been drawn or tied *[[Peterborough Symphony Orchestra]] - in Peterborough, Ontario, Canada *[[Phantasy Star Online]] - a video game *[[Phase-shift oscillator]] - an electronic circuit that generates sine waves *[[Phone sex|Phone sex operator]] - a person who provides phone sex service *Phonic Sonic Oradea - electronic music community of [[Oradea]] *Piano Shaped Object - a third-rate or worn-out [[piano]]; a piano brand scorned by technicians and tuners *[[Pittsburgh Symphony Orchestra]] *Protocol Support Organization - one of the three initial components of [[ICANN]], later disbanded *[[Public service obligation]] - a form of state subsidy for transport links which are not commercially viable *[[Professional Services Organization]] *[[Ports and Shipping Organization]] - the organization which run and authorized Iranian ports. {{disambig}} [[de:PSO]] [[fr:PSO]] [[it:PSO]] [[ja:PSO]]