Provenance covers an object's complete documented history. An artifact may thus have both a provenience and a provenance. The provenance of works of fine art, antiques and antiquities is of great importance, especially to their owner. There are a number of reasons why painting provenance is important, which mostly also apply to other types of fine art. A good provenance increases the value of a painting, and establishing provenance may help confirm the date, artist and, especially for portraits, the subject of a painting. It may confirm whether a painting is genuinely of the period it seems to date from. The
Provenance defects. Current initiatives to effectively manage, share, and reuse ecological data are indicative of the increasing importance of data provenance. Examples of these initiatives are National Science Foundation Datanet projects, DataONE and Data Conservancy, as well as the U.S. Global Change Research Program. Some international academic consortia, such as the Research Data Alliance, have specific group to tackle issues of provenance. In that case it is the Research Data Provenance Interest Group. Within computer science, informatics uses the term 'provenance' to mean the lineage of data, as per data provenance, with research in the last decade extending the conceptual model