| 摘要 |
Various embodiments of the present invention are directed to a storage platform (figure 20) comprising: a data store in which data stored therein i s defined in terms of items, elements, and relationships (figure 20, 2014), wherein an item is a unit of data storable in the data store and comprises o ne or more elements, an element is an instance of a type (figure 20, 2016) comprising one or more fields, and a relationship is a link between at least two items; a set of schemas (figure 20, 2014) that define different types of items, elements, and relationships (figure 20, 2016); and an application programming interface (figure 20, 350a, 350b, or 350c) comprising a class (figure 20, 2008) for each of the different items, elements, and relationshi ps defined in the set of schemas. Data may also be stored in the data store in the form of an extension to an existing item type, and wherein the applicati on programming interface comprises a class for each different item extension (figure 20, 2006).
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