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Line 1: '''Semi-structured data'''<ref>{{cite web \|author=Peter Buneman \|title=<!-- Tutorial on --> Semistructured data \|journal=Symposium on Principles of Database Systems \|date=1997 \|url=https://homepages.inf.ed.ac.uk/opb/papers/PODS1997a.pdf}}</ref> is a form of [[structured data]] that does not ~~conform with~~obey the formal structure of data models associated with [[relational database]]s or other forms of [[Table (database)\|data tables]], but nonetheless contains [[tag (metadata)\|tags]] or other markers to separate semantic elements and enforce hierarchies of records and fields within the data. Therefore, it is also known as [[self-describing]] structure. In semi-structured data, the entities belonging to the same class may have different [[attribute (research)\|attribute]]s even though they are grouped together, and the attributes' order is not important.

Semi-structured data: Difference between revisions