Abstract: The subject innovation provides a system and/or a method that facilitates developing schemas for a file storage system. A type definition component can provide a schema grammar, wherein a generator component can employ the schema grammar to build the schema for the file storage system. The schema grammar can describe information types stored in the file storage system that are represented as instances of complex types that are part of a type system that supports inheritance. The schema grammar can support a declaration of an association between types, versioning specifications, and/or content indexing specifications.

Abstract: Data management between a common data store and multiple applications of multiple disparate application frameworks. A data storage component is provided that facilitates the storage of data, which data includes structured, semi-structured, and unstructured data. A common data platform interfaces to the data storage component to provide data services accessible by a plurality of disparate application frameworks, which data services allow a corresponding application of the different frameworks to access the data.

Abstract: Systems and methods that track changes in a database via a change tracking layer that enables separation of change tracking and change enumeration. Such an arrangement enables multiple change enumeration and sync technologies over a single change tracking layer, while reducing amount of tracking information that are maintained.

Abstract: The subject invention provides a system and/or a method that facilitates mapping a data base model to a database object. A type storage system can utilize a storage mapping of a file storage data model. The mapping can describe the database object created based at least in part upon a schema and how instances of the type described in the schema are stored and/or accessed. Furthermore, a query can be provided to find at least one of an item, a document, and/or a contact that satisfy at least one criterion. The type storage system can receive data, wherein the data is at least one of a schema, a data model, a type, a query, and query criteria via an interface to provide the storing and querying. Additionally, the type storage system can generate a view that exposes at least one instance of the type.

Abstract: Systems and methods that track changes in a database via a change tracking layer that enables separation of change tracking and change enumeration. Such an arrangement enables multiple change enumeration and sync technologies over a single change tracking layer, while reducing amount of tracking information that are maintained.

Abstract: The claimed subject matter provides a system and/or a method that facilitates addressing complex modeling. An entity data model that can receive data via an interface and that formalizes a notion of at least one of a Relationship, a Relationship instance, and a Relationship Set in a manner substantially similar to at least one of an Entity type, an Entity instance, and an entity-set respectively, wherein a semantic related to the at least one of the Relationship, the Relationship instance, and the Relationship Set are captured as metadata in the same manner as metadata is captured for at least one of the Entity type, the Entity instance, and the Entity-set, respectively.