The LINQ Project
From the PDC 2005 site: have a look at Q&A: Microsoft to Simplify and Speed the Development of Data-Rich Applications by Extending the .NET Framework to Provide Language Integrated Query for Databases and The LINQ Project.
The LINQ Project is a codename for a set of extensions to the .NET Framework that encompass language-integrated query, set, and transform operations. It extends C# and Visual Basic with native language syntax for queries and provides class libraries to take advantage of these capabilities.
