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A semantic layer is a business representat … A semantic layer is a business representation of corporate data that helps end users access data autonomously using common business terms managed through Business semantics management. A semantic layer maps complex data into familiar business terms such as product, customer, or revenue to offer a unified, consolidated view of data across the organization. By using common business terms, rather than data language, to access, manipulate, and organize information, a semantic layer simplifies the complexity of business data. Business terms are stored as objects in a semantic layer, which are accessed through business views. The semantic layer enables business users to have a common "look and feel" when accessing and analyzing data stored in relational databases and OLAP cubes. This is claimed to be core business intelligence (BI) technology that frees users from IT while ensuring correct results. Business Views is a multi-tier system that is designed to enable companies to build comprehensive and specific business objects that help report designers and end users access the information they require. Business Views is intended to enable people to add the necessary business context to their data islands and link them into a single organized Business View for their organization. Semantic layer maps tables to classes and rows to objects. On May 29, 1992, Business Objects obtained U.S. Patent 5,555,403, which "provides a new data representation and a query technique which allows information system end users to access (query) relational databases without knowing the relational structure or the structure query language (SQL)". Over time, some competitors like Cognos paid licensing fees. However, in 2003, Microstrategy successfully defended a brought suit by Business Objects alleging patent infringement.ness Objects alleging patent infringement.
, Ett semantiskt lager är lagrad metadata om … Ett semantiskt lager är lagrad metadata om information lagrad i en relationsdatabas. Det semantiska lagret används för att översätta komplexa tekniska begrepp till termer som personer utan teknisk kunskap skall kunna förstå och utnyttja för att skapa egna rapporter från en databas. I ett semantiskt lager kan information om kopplingar mellan olika i databasen lagras. Även klartextbeskrivningar av olika fält, strategier för exekvering av SQL-kod och säkerhetsinformation för specifika användare kan lagras.mation för specifika användare kan lagras.
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Ett semantiskt lager är lagrad metadata om … Ett semantiskt lager är lagrad metadata om information lagrad i en relationsdatabas. Det semantiska lagret används för att översätta komplexa tekniska begrepp till termer som personer utan teknisk kunskap skall kunna förstå och utnyttja för att skapa egna rapporter från en databas. I ett semantiskt lager kan information om kopplingar mellan olika i databasen lagras. Även klartextbeskrivningar av olika fält, strategier för exekvering av SQL-kod och säkerhetsinformation för specifika användare kan lagras.mation för specifika användare kan lagras.
, A semantic layer is a business representat … A semantic layer is a business representation of corporate data that helps end users access data autonomously using common business terms managed through Business semantics management. A semantic layer maps complex data into familiar business terms such as product, customer, or revenue to offer a unified, consolidated view of data across the organization. Semantic layer maps tables to classes and rows to objects.aps tables to classes and rows to objects.
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Semantiskt lager
, Semantic layer
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