SPN may refer to:

Places

Saipan International Airport Saipan International Airport , also known as Francisco C. Ada/Saipan International Airport, is a public airport located on Saipan Island in the United States Commonwealth of the Northern Mariana Islands. The airport is owned by Commonwealth Port ...

(IATA airport code: SPN), Saipan *

Shahjahanpur railway station Shahjahanpur Junction Railway Station (station code SPN) is a main railway station in Shahjahanpur district in the Indian state of Uttar Pradesh Uttar Pradesh (; , 'Northern Province') is a state in northern India. With over 200 ...

(station code: SPN), Uttar Pradesh, India *

Spooner Row railway station Spooner Row railway station is on the Breckland line in the East of England, serving the village of Spooner Row, Norfolk. The line runs between in the west and in the east. Spooner Row is situated between and , from London Liverpool Street ...

(National Rail station code: SPN), South Norfolk, England * Spree-Neisse station (station code: SPN), Brandenburg, Germany; see List of railway stations in Frankfurt

Telecommunications, computing, cryptography

Shortest job next Shortest job next (SJN), also known as shortest job first (SJF) or shortest process next (SPN), is a scheduling policy that selects for execution the waiting process with the smallest execution time. SJN is a non- preemptive algorithm. Shortest ...

, or shortest process next * Service Principal Name (SPN), used in the

Kerberos protocol Kerberos () is a computer-network authentication protocol that works on the basis of ''tickets'' to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner. Its designers aimed it primarily ...

* Service provider name, stored on mobile phone

subscriber identity module A typical SIM card (mini-SIM with micro-SIM cutout) A GSM mobile phone file:Simkarte NFC SecureElement.jpg, T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s file:Tf sim both sides.png, A TracFone Wireless SIM card ha ...

(SIM) *

Substitution–permutation network In cryptography, an SP-network, or substitution–permutation network (SPN), is a series of linked mathematical operations used in block cipher algorithms such as AES (Rijndael), 3-Way, Kalyna, Kuznyechik, PRESENT, SAFER, SHARK, and Square. S ...

, a mathematical operation used in cipher algorithms * Sum-Product Networks, a type of probabilistic

machine learning Machine learning (ML) is a field of inquiry devoted to understanding and building methods that 'learn', that is, methods that leverage data to improve performance on some set of tasks. It is seen as a part of artificial intelligence. Machine ...

model

Other uses

* Sanapaná language (ISO 639 code: spn) *

Sp(n) In mathematics, the name symplectic group can refer to two different, but closely related, collections of mathematical groups, denoted and for positive integer ''n'' and field F (usually C or R). The latter is called the compact symplectic grou ...

, a type of symplectic group in mathematics *

Savanna Pastoral Neolithic The Savanna Pastoral Neolithic (SPN; formerly known as the Stone Bowl Culture) is a collection of ancient societies that appeared in the Rift Valley of East Africa and surrounding areas during a time period known as the Pastoral Neolithic. They ...

, a culture and collection of societies in the archaeological record of the Rift Valley *

State Policy Network The State Policy Network (SPN) is a nonprofit organization that serves as a network for conservative and libertarian think tanks focusing on state-level policy in the United States. The network serves as a public policy clearinghouse and advises ...

, a U.S. national network of conservative and libertarian think tanks * Service Professionals Network, a social media and business directory website. *

Scientific pitch notation Scientific pitch notation (SPN), also known as American standard pitch notation (ASPN) and international pitch notation (IPN), is a method of specifying musical Pitch (music), pitch by combining a musical Note (music), note name (with accidental ...

, a method to specify musical pitch *

Solitary pulmonary nodule A lung nodule or pulmonary nodule is a relatively small focal density in the lung. A solitary pulmonary nodule (SPN) or coin lesion, is a mass in the lung smaller than three centimeters in diameter. A pulmonary micronodule has a diameter of less th ...

, or coin lesion in the lung *

CD43 Leukosialin also known as sialophorin or CD43 (cluster of differentiation 43) is a transmembrane cell surface protein that in humans is encoded by the ''SPN'' (sialophorin) gene. Function Sialophorin (leukosialin) is a major sialoglycoprotein ...

or SialoPhoriN, a protein * Supramolecular polymer networks * Shorthand for the TV show ''

Supernatural Supernatural refers to phenomena or entities that are beyond the laws of nature. The term is derived from Medieval Latin , from Latin (above, beyond, or outside of) + (nature) Though the corollary term "nature", has had multiple meanings si ...

'' * Swiss Pool for the Insurance of Nuclear Risks * Serbia Against Violence, a Serbian political coalition

Places

Telecommunications, computing, cryptography

Other uses

See also