JNTU MCA 2018 SEMANTIC WEB AND SOCIAL NETWORKS Previous Question Paper (January - 2018 - R13)

The Information Age, also known as the Computer Age or Digital Age, is a historical period characterized by the rapid shift from traditional industry to an economy primarily based on information technology. It is defined by the ability of individuals to transfer information freely and have instant access to knowledge that would have been difficult or impossible to find previously. This era is driven by advancements in computing, telecommunications, and the internet, which have fundamentally transformed how society communicates, conducts business, and manages data.

XQuery is a query and functional programming language designed to query collections of XML data. It is analogous to SQL for relational databases. XQuery allows users to extract, manipulate, and transform data from XML documents or any data source that can be viewed as XML, such as databases or web services. It supports complex operations like joining multiple documents, filtering data based on specific criteria, and restructuring output into new XML formats.