An artifact or artefact (see also spelling differences) is: · A human-made object, such as a tool, weapon or ornament, especially those of archaeological or historical interest. · A human-made object that is a prototype or standard of measurement. · A structure or feature, visible only as a result of external action or experimental error. Also known as disturbance in biopotential signals. · Artefact is a fulltext information retrieval system capable of searching through databases containing documents written in a natural language Artifact may also refer to: · Artifact , any object made or modified by a human culture, and later recovered by an archaeological endeavor · Artifact, an online multiplayer video game · Artifact , in the fantasy genre, is usually a magical object so powerful that it cannot be duplicated or destroyed by ordinary