SEM can refer to:

Computing

* Search engine marketing, promoting websites by increasing their visibility in search engine results *

Security event manager Security event management (SEM), and the related SIM and SIEM, are computer security disciplines that use data inspection tools to centralize the storage and interpretation of logs or events generated by other software running on a network. Overvi ...

, a security log tool used on data networks

Economics and management

Stock Exchange of Mauritius The Stock Exchange of Mauritius (SEM) (french: Bourse de Maurice); is an organization responsible for the operation of Economy of Mauritius, Mauritius's primary stock exchange located at Port Louis. The SEM operates two markets: the Official Marke ...

, the principal stock exchange of the island country of Mauritius *

Strategic enrollment management Strategic Enrollment Management ''SEMis a crucial element of planning for new growth at a university or college as it concerns both academic program growth and facilities needs. Emerging as a response to fluctuations in student markets and increasi ...

, an element of planning for new growth at a university or college

Energy

* Single Electricity Market, the integration of the electricity sectors of the Republic of Ireland and Northern Ireland in a single market * Strategic energy management, continuous improvement process for energy efficiency based on behavioral change

Mathematics and statistics

Structural equation modeling Structural equation modeling (SEM) is a label for a diverse set of methods used by scientists in both experimental and observational research across the sciences, business, and other fields. It is used most in the social and behavioral scienc ...

, in data analysis * Simultaneous equations model, in econometrics * Standard error of the mean in statistics

Places

Craig Field (Alabama) Craig Field is a public airport four miles southeast of Selma, in Dallas County, Alabama. The FAA's National Plan of Integrated Airport Systems for 2011–2015 categorized it as a ''general aviation'' facility.Sem, Ariège, France * Sem, Norway

Science and technology

* Scanning electron microscope * Space Experiment Module, of the

Freestar experiment FREESTAR, which stands for Fast Reaction Experiments Enabling Science Technology Applications and Research, was a payload of six separate experiments on the Space Shuttle ''Columbia''. It was mounted on a crossbay Hitchhiker Multipurpose Equipmen ...

on space shuttle Columbia * ''Synthesizer expansion module'' in an Oberheim Electronics synthesizer *

Sistema Eléctrico de Magallanes The Sistema Eléctrico de Magallanes (Spanish for ''Electric System of Magallanes'') or SEM is an alternating current power grid serving the Magallanes and Antartica Chilena Region of Chile. All of the SEM's power generation is produced by combusti ...

, an electrical power grid of Chile * SEM, instrument ( seismometer) of the Surface Science Platform ( Kazachok) mission ExoMars 2022 * A protecting group in organic chemistry, see

2-(trimethylsilyl)ethoxymethyl chloride 2-(Trimethylsilyl)ethoxymethyl chloride (SEM-Cl) is an organochlorine compound with the formula C6H15ClOSi, which was developed by Bruce H. Lipshutz during his work on the synthesis of ''N''-methylmaysenine. It is used to protect hydroxyl group, w ...

(SEM-Cl)

Schools, organisations, societies

The School of Ecclesiastic Music The School of Ecclesiastic Music (SEM) is a school of Byzantine music in Matn, Lebanon. The school opened in 1997, as a project of the Antiochian Greek Orthodox Archdiocese of Mount Lebanon. There were two campuses at Mkalles and Jal el Dib, wh ...

the school of Byzantine Music in Mount Lebanon * Swedish Evangelical Mission * Society for Ethnomusicology, an ethnomusicology in Indiana, US * Science and Engineering Magnet, a school in Dallas, Texas, US * S.E.M. Group civil engineering company based in South Australia * Steam Engine Makers' Society, early British trade union * Shandong Engineering Machinery, owned by Caterpillar Inc.

People

* Shem or Sem, one of the sons of Noah, as depicted in the Bible * Sem (given name), a usually masculine given name * Sem (artist) (1863–1934), French caricaturist * Elise Sem (1870–1950), Norwegian barrister, women's activist, and sports official * Ingebjørg Dahl Sem (born 1938), Norwegian Christian writer * Ingebjørg Sem (1931–2009), Norwegian actress * John Sem (born 1973), Papua New Guinean Olympic boxer *

Niels Arntzen Sem Niels Arntzen Sem (10 February 1782 – 19 December 1859) was a Norwegian politician. He was elected to the Norwegian Parliament in 1825 and 1827, representing the constituency of '' Stavanger Amt''. He worked as district magistrate () for ...

(1782–1859), Norwegian politician * Suy Sem (born 1947), Cambodian politician

Other

* Super Étendard Modernisé, a French fighter aircraft * Self-evaluation maintenance theory, a psychological theory of self * New Austrian tunnelling method or Sequential Excavation Method *

Sports and exercise medicine Sports medicine is a branch of medicine that deals with physical fitness and the treatment and prevention of injuries related to sports and exercise. Although most sports teams have employed team physicians for many years, it is only since the ...

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