SEM
# SEM

SEM or Sem can refer to:

## Computing

* Search engine marketing, promoting websites by increasing their visibility in search engine results
* Security event manager, a security log tool used on data networks

## Economics and management

* Stock Exchange of Mauritius, the principal stock exchange of the island country of Mauritius
* Strategic enrollment management, 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, in data analysis
* Simultaneous equations model, in econometrics
* Standard error of the mean in statistics

## Places

* Craig Field (Alabama), US airport, IATA code
* Sem, Ariège, France
* Sem, Norway

## Science and technology

* Scanning electron microscope
* Space Experiment Module, of the Freestar experiment on space shuttle Columbia
* Synthesizer expansion module in an Oberheim Electronics synthesizer
* Sistema Eléctrico de Magallanes, 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 (SEM-Cl)

## Schools, organisations, societies

* The School of Ecclesiastic Music 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.
* State Secretariat for Migration (Switzerland)

## 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 (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
