All articles starting with P

Prioritized planning

Prioritized planning (PP) is a fast, widely used algorithm family for multi-agent path finding in which agents plan collision-free paths one at a time in a fixed priority order.

The priority ceiling protocol is a resource-sharing protocol for real-time systems that assigns each shared resource the highest priority of any task that may lock it, preventing deadlock and bounding blocking to one critical section.

Priority inheritance

Priority inheritance is a scheduling protocol in which a low-priority lock owner temporarily assumes the priority of the highest-priority blocked task, bounding priority inversion in real-time systems.

Priority inversion

Priority inversion is a scheduling anomaly where a low-priority task holding a needed lock delays a high-priority task, causing missed deadlines in real-time systems like Mars Pathfinder.

Priority method

The priority method is a technique in computability theory for constructing computably enumerable sets by satisfying ranked requirements, invented independently by Friedberg and Muchnik in the 1950s.

Priority queue

A priority queue is an abstract data type that stores items each with a priority and efficiently removes the highest-priority item, usually implemented as a binary heap and used in Dijkstra's algorithm and scheduling.

Priority Records

Priority Records is an American record label founded in 1985, known for distributing N.W.A, Dr. Dre, and No Limit before being folded into Capitol Records.

Priority sector lending

Priority sector lending (PSL) is an Indian regulatory mandate requiring banks to direct a fixed share of credit, 40 per cent for most commercial banks, to designated sectors.

Priorix

Priorix, GSK's live attenuated trivalent measles, mumps, and rubella vaccine (Schwarz, RIT 4385, Wistar RA 27/3 strains), registered in Germany 1997, WHO prequalified 2001, FDA licensed June 2022 as the second US MMR vaccine alongside M-M-R II.

Priory Church

Priory Church, Kewstoke (Woodspring Priory Church), a Grade I listed former Augustinian priory church of the 15th-16th century in North Somerset, partially converted to a house after the 1536 Dissolution and now a Landmark Trust property.

Priory of Sion

Priory of Sion (Prieuré de Sion): association founded 7 May 1956 in Annemasse, France, by Pierre Plantard and three others; later given a fictitious medieval history through forged Dossiers Secrets, inspiring Holy Blood, Holy Grail and The Da Vinci Code.

Pripyat (Прип'ять)

Pripyat (Прип'ять) is the abandoned Ukrainian satellite city of the Chernobyl Nuclear Power Plant, founded in 1970 and evacuated on 27 April 1986 after the Unit 4 accident; it lies uninhabited in the Exclusion Zone.

Pripyatsky National Park

Pripyatsky National Park (Prypiacki) is a large national park in Gomel Region, Belarusian Polesia, created in 1996, Ramsar Site 2197 since 2013, protecting the Pripyat River floodplain, old-growth forests, and bogs; expanded to 89,092.59 ha in 2025.

Prirazlomnoye Oil Field

Prirazlomnoye is an offshore oil field on the Pechora Sea shelf in the Russian Arctic, discovered in 1989 and producing since December 2013 from the ice-resistant platform Prirazlomnaya.

Priroda

Priroda (Природа, "Nature") was the last permanent research module of the Russian Mir space station, launched in 1996 for Earth remote sensing and carrying experiments from twelve nations.

Sep 21, 2026

Prisca Liberali

Prisca Liberali is a Swiss-based systems and developmental biologist who studies how identical cells self-organize into complex tissues, using intestinal organoids as her main model.

Prisciago

Prisciago: ancient Gallo-Roman place name on Barrington Atlas Map 14, grid G4, tentatively identified with Prayssac (Lot, France), cited from Vita Sancti Desiderii 9(17) and recorded in Pleiades as place 138524.

Priscilla (film)

Priscilla (2023) is Sofia Coppola's A24 biographical drama adapted from Priscilla Presley's memoir Elvis and Me, starring Cailee Spaeny and Jacob Elordi; Spaeny won the Venice Volpi Cup, and the film contains no Elvis songs.

Priscilla and Aquila

Priscilla and Aquila, also known as Prisca, were a first-century Jewish Christian married couple, tentmakers by trade who hosted Paul in Corinth and house churches in Ephesus and Rome.

Priscilla Barnes

Priscilla Barnes, American actress (born December 7; sources give 1958 or 1955), Fort Dix, New Jersey; played Terri Alden on Three's Company (1981-84) and Della Churchill in Licence to Kill (1989), later Magda on Jane the Virgin.

Priscilla Chan

Priscilla Chan is an American pediatrician and philanthropist who co-founded the Chan Zuckerberg Initiative with her husband, Mark Zuckerberg, in 2015. She earned her medical degree at UCSF.

Priscilla Faia

Priscilla Faia (born 1985) is a Canadian actress and writer from Victoria, BC, known as Chloe Price on Rookie Blue and Izzy Silva on You Me Her, with CSA and Leo Award nominations and a 2019 Leo win.

Sep 27, 2026

Priscilla Gonzalez

Priscilla Gonzalez is an American Democratic politician running for the US House in Louisiana's 3rd District in 2026 against incumbent Clay Higgins, after running for mayor of Corpus Christi, Texas, in 2021.

Oct 10, 2026

Priscilla Hannah Peckover

Priscilla Hannah Peckover (1833–1931) was an English Quaker pacifist from Wisbech who founded the Women's Local Peace Association and edited the peace journal Peace and Goodwill for nearly fifty years.

Sep 21, 2026

Priscilla K. Brastianos

Priscilla K. Brastianos is a neuro-oncologist and physician-scientist who directs the Central Nervous System Metastasis Program at Massachusetts General Hospital and is Professor of Medicine at Harvard Medical School.

Sep 21, 2026

Priscilla Kincaid‐Smith

Priscilla Kincaid-Smith (1926–2015) was a South African-born Australian nephrologist who founded the Royal Melbourne Hospital renal unit and became the University of Melbourne's first female professor in 1975.

Priscilla Lane

Priscilla Lane (Priscilla Mullican, 1915 or 1917 to 1995), American actress and singer of the Lane Sisters, Warner Bros. star of Four Daughters, The Roaring Twenties, Saboteur, and Arsenic and Old Lace; retired 1948.

Priscilla Pointer

Priscilla Pointer (1924–2025), American character actress; Rebecca Barnes Wentworth on Dallas, Mrs. Snell in Carrie; co-founded San Francisco Actors' Workshop; mother of Amy Irving.