" JavaServer Faces , Jakarta Struts and Webwork2 are currently the most popular web oriented MVC implementations. Struts works at a page level; JSF works at a component level . The WebObjects development/deployment environment is strongly based on MVC. Fusebox Mach-II Maypole Catalyst Tapestry ZNF Apache Cocoon Ruby on Rails General information Description in the Portland Pattern Repository Core J2EE Patterns - Front Controller Dicussion of JavaServer Pages Model 2 architecture MVC-Frameworks written in PHP () Holub, Allen: “Building user interfaces for object-oriented systems�, Java World, 1999. Gresh, John E. : “The Collection Switch Design Pattern�, Rensselaer Computer Science Seminar, 2004, 2004. Specific implementations Applications Programming in Smalltalk-80(TM):How to use Model-View-Controller Fusebox Mach-II Maypole Catalyst Model Glue For Coldfusion References Frank Buschmann, Regine Meunier, Hans Rohnert, Peter Sommerlad, Machael Stal (1996) Pattern-Oriented Software Architecture, John Wiley and Sons. Hot Model Gallery ISBN 0-471-95869-7 . mvc is also the file extension for MivaScript files. "

" Bosons possess integer spin and do not obey the Pauli exclusion principle. Informally speaking, fermions are particles of matter and bosons are particles that transmit forces. For a detailed description of the differences between fermions and bosons, see the article on identical particles. In the Standard Model, the theory of the electroweak interaction (which describes the weak and electromagnetic interactions) is combined with the theory of quantum chromodynamics. All of these theories are gauge theories, meaning that they model the forces between fermions by coupling them to bosons which mediate (or "carry") the forces. The Lagrangian of each set of mediating bosons is invariant under a transformation called a gauge transformation, so these mediating bosons are referred to as gauge bosons. The bosons in the Standard Model are: Unsolved problems in physics: Parameters in the Standard Model: What gives rise to the Standard Model of particle physics? Why do its particle masses and coupling constants possess the values we have measured? Does the Higgs boson predicted by the model really exist? Why are there three generations of particles in the Standard Model? Is the Standard Model reality, a good approximation to reality, or fatally flawed? Photons, which mediate the electromagnetic interaction. Hot Spanish Model W and Z bosons, which mediate the weak nuclear force Eight species of gluons, which mediate the strong nuclear force. Six of these gluons are labelled as pairs of "colors" and "anti-colors" (for example, a gluon can carry "red" and "anti-green". "