All articles starting with S

Semantic Textual Similarity

Semantic Textual Similarity (STS) is the natural language processing task of scoring how semantically equivalent two sentences are, on a scale from 0 to 5.

Semantic theory of truth

The semantic theory of truth, also called Tarski's definition of truth, is a definition of truth for formalized languages developed by Alfred Tarski in the 1930s.

Semantic UI is an open-source front-end development framework created by Jack Lukic and released in 2013, providing pre-built user interface components through human-friendly, descriptive HTML class names and variable-driven theming.

Semantic versioning

Semantic versioning, or SemVer, is a software versioning convention codified in specification 2.0.0 by Tom Preston-Werner, where MAJOR.MINOR.PATCH numbers signal incompatible API changes, new features, and bug fixes.

Semantic Web

The Semantic Web, also known as the Data Web, is a W3C vision of the Web where data carries explicit machine-readable meaning, built on standards like RDF, SPARQL, and OWL.

Semantic Web Rule Language

The Semantic Web Rule Language (SWRL) is a rule language for the Semantic Web that combines OWL DL and OWL Lite with Horn-like rules, proposed in a 2004 W3C submission.

SemanticKITTI

SemanticKITTI is a large-scale dataset for LiDAR-based semantic scene understanding, providing dense point-wise annotations for every KITTI Odometry sequence over the full 360° field of view.

Semantics

Semantics is the linguistic study of meaning in language, from French sémantique (1883). Distinguished from syntax and pragmatics; covers truth conditions, compositionality, lexical semantics, and computational meaning models.

Semantics (logic)

Semantics, also called the semantics of logic, is the part of logic assigning truth conditions to formal-language sentences, chiefly through the model-theoretic semantics introduced by Alfred Tarski.

Semantix

Semantix (Semantix International Group AB) was a Stockholm-based Nordic provider of translation, interpreting, and language technology, described as the Nordics' largest before its 2021 acquisition by TransPerfect.

Semaphore

A semaphore is an optical telegraph relaying coded messages between staffed stations, invented by the Chappe brothers in France; the first Paris-to-Lille line opened in 1794.

Semaphore (programming)

A semaphore is a programming synchronization primitive, a counter with atomic wait and signal operations introduced by Edsger Dijkstra in 1965 to control access to shared resources between threads.

Semaphorin

Semaphorins are a family of secreted and membrane proteins with a conserved Sema domain, first described in 1993 as axon guidance repellents; they signal via plexins and neuropilins and act in immunity, angiogenesis, and cancer.

Semarang

Semarang, capital of Central Java, Indonesia, a coastal city of nearly 1.8 million people; its 2025 economy grew 6.49 percent, led by manufacturing, construction, and trade, with flood control and BRT transit shaping its urban development.

Sematary

Sematary (Zane Steckler, born 2000) is an American horrorcore and trap rapper from Northern California, founder of the Haunted Mound collective, known for Grave House, the Rainbow Bridge mixtapes, and the Butcher House.

Sematawytefnakht

Sematawytefnakht, also rendered Somtutefnakht, was an Egyptian priest and dignitary of Heracleopolis whose career ran from the last native kings through the Second Persian Domination to early Macedonian rule.

SEMATECH

SEMATECH, short for Semiconductor Manufacturing Technology, is an American not-for-profit research consortium founded in Austin, Texas, in 1987, jointly funded by the Defense Department and member companies until 1996.

Oct 21, 2026

Semaxanib

Semaxanib (SU5416, semoxind) is a Sugen indolinone VEGFR2/c-kit tyrosine kinase inhibitor and angiogenesis inhibitor that failed phase III colorectal cancer testing and was discontinued in 2002, becoming the precursor of sunitinib.

Semba

Semba is an Angolan popular music and partner dance that emerged in Luanda in the 1940s, blending percussion and guitar, and later fed the rise of kizomba.

Sembaruthi (செம்பருத்தி)

Sembaruthi (செம்பருத்தி), a Tamil romantic family drama on Zee Tamil (16 October 2017 to 31 July 2022, about 1,430 episodes), starring Priya Raman, Shabanaa Shajahan, and Karthik Raj, later VJ Agni, about rich matriarch Akhilandeshwari whose son Adithya secretly marries maid Parvathy.

Oct 21, 2026

Sembattur Mound

Sembattur Mound, a centrally protected ASI Jain site in Sembattur village, Pudukkottai district, Tamil Nadu, preserving a Jain mound, Mahavira and Yakshi images, five Pallava-style lion pillars, and Chola-period inscriptions.

Sembawang

Sembawang, a northern Singapore planning area and HDB town named after the Sembawang tree, was home to the British naval base opened in 1938 and the Sembawang Shipyard, now being redeveloped into a waterfront district alongside the new Sembawang North housing area.

Sembcorp Industries

Sembcorp Industries is a Singapore-headquartered energy and urban solutions company, formed in 1998 from a merger, operating 28.5GW of renewables and gas capacity across 11 countries.

Sembel

Sembel is an archaeological settlement site of the Ancient Ona culture near Asmara in the Eritrean highlands, occupied for at least 400 years during the first millennium BC.

Sep 23, 2026

Sembiyan Mahadevi

Sembiyan Mahadevi (செம்பியன் மாதேவி) was the Chola queen of Gandaraditya and mother of Uttama Chola, who rebuilt over a dozen brick temples in stone between 972 and 985.

Sembrouthes

Sembrouthes was an early king of Aksum of the 3rd century AD, known from a single stone inscription found at Dekemhare (Däqqamhare) in Eritrea, possibly the anonymous king of the Monumentum Adulitanum.

Sep 24, 2026

Semei Kakungulu

Semei Kakungulu was a Ganda warrior and colonial agent who conquered Bukedi and Busoga for the British, then founded Uganda's Abayudaya Jewish community in 1917.

Semele

Semele (Σεμέλη), Theban princess, daughter of Cadmus, mortal mother of Dionysus by Zeus; killed by his thunderbolt at Hera's urging, deified as Thyone, worshipped at Thebes, Delphi and Attica, and heroine of Handel's 1744 oratorio.

Oct 21, 2026

Semele Tholi

Semele Tholi, a Venusian tholus (domical volcanic hill), 194 km wide at 64.3°N 202.9°E, IAU-approved 1985, named for a Phrygian (Phoenician) Earth goddess.