LWW

LWW is an acronym that can refer to several different concepts, depending on the context.

In computing, LWW commonly stands for Last-Writer-Wins, a conflict-resolution rule used in distributed systems and CRDTs (conflict-free replicated data types). Under Last-Writer-Wins, when concurrent updates occur, the write with the most recent timestamp determines the value that is kept. This approach is simple and is used in LWW registers and related data structures, but it relies on reasonably synchronized clocks and can produce anomalies if clocks drift or misalign.

In publishing and media, LWW refers to Lippincott Williams & Wilkins, a major medical and health sciences publisher that operates as an imprint of Wolters Kluwer. The LWW brand appears on journals, textbooks, and clinical reference materials used by healthcare professionals and researchers.

In popular culture, LWW is an abbreviation for The Lion, the Witch and the Wardrobe, the first published book in C.S. Lewis’s Chronicles of Narnia series and its film adaptations. The acronym is used in fan communities, catalogs, and discussions to refer to the work.

These are among the most common uses of the acronym LWW, illustrating how a short string can denote distinct concepts across technology, publishing, and culture.