tree index
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Index (database) — A database index is a data structure that improves the speed of data retrieval operations on a database table at the cost of slower writes and increased storage space. Indexes can be created using one or more columns of a database table,… … Wikipedia
Tree sitting — is a form of environmentalist civil disobedience in which a protester sits in a tree, usually on a small platform built for the purpose, to protect it from being cut down (speculating that loggers will not endanger human lives by cutting an… … Wikipedia
Tree worship — (dendrolatry) refers to the tendency of many societies throughout history to worship or otherwise mythologize trees. Trees have played an important role in many of the world s mythologies and religions, and have been given deep and sacred… … Wikipedia
Tree-adjoining grammar — (TAG) is a grammar formalism defined by Aravind Joshi. Tree adjoining grammars are somewhat similar to context free grammars, but the elementary unit of rewriting is the tree rather than the symbol. Whereas context free grammars have rules for… … Wikipedia
Index medicus — (IM) was a comprehensive index of medical journal articles, published between 1879 and 2004. It was initiated by Dr John Shaw Billings, head of the Library of the Surgeon General s Office, United States Army. This library later evolved into the… … Wikipedia
Index (search engine) — Search engine indexing collects, parses, and stores data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, physics, and… … Wikipedia
Tree — For other uses, see Tree (disambiguation). Trees on a mountain in northern Utah during early autumn … Wikipedia
Tree automaton — A tree automaton is a type of state machine. Tree automata deal with tree structures, rather than the strings of more conventional state machines. The following article deals with branching tree automata, which correspond to regular languages of… … Wikipedia
Tree structure — A tree structure showing the possible hierarchical organization of an encyclopedia … Wikipedia
Tree (graph theory) — Trees A labeled tree with 6 vertices and 5 edges Vertices v Edges v 1 Chromatic number … Wikipedia
Tree of Life (Judeo-Christian) — See also Tree of life for other cultural interpretations of the term, and : Tree of life (disambiguation) for other meanings of the term. The Tree of Life (Heb. עץ החיים Etz haChayim ), in the Book of Genesis is a tree planted by God in midst of… … Wikipedia
