dotNetRDF

.NET applications have become increasingly popular, due to their stability on the end-user side, but also for their flexibility and power on the development side.
The ability to employ libraries is one of the reasons for this trend and dotNetRDF is one API that allows developers to significantly improve the performance of their output programs.
Specifically, the component is a semantic web, RDF, and SPARQL Library for C#/.NET development.
It can be employed to read and write RDF information and also supports full text querying extensions to SPARQ.
The component primarily operates at the level of Triples and Triple Stores, as well as Graphs.
As for the latter items, the library supports the following formats: NTriples, Turtle, Notation 3, RDF/XML, RDF/JSON (Talis Specification), as well as XHTML + RDFa, and CSV or TSV non-standardized formats.
When reading and writing RDF files, the tool is compatible with most common serializations, including NTriples, Turtle, and Notation 3.
Multiple classes are available for such operations, including those targeting URIs, embedded resources or strings and streams.
Concerning SPARQL querying, the library supports both operations over local in-memory data, as well as remote information tasks.
External SPARQL endpoints can be employed, but the component also comes with a built-in implementation of the common semantic query language.
The module can be added to current projects in two ways, either by using NuGet or by manually selecting and importing the needed libraries.
Users who are stuck or are in need of more information can browse the ample online wiki, as the tool features a highly active development community that constantly updates relevant information.System requirements.NET Framework 4.0
JSON.Net
HtmlAgilityPack
VDS.Common