Answer my Questions on XML, XML Schema/DTD, SAX/DOM, RDF, RDF Schema & OWL

I require immediate assistance to answering questions related to **XML, XML Schema/DTD, SAX/DOM, RDF, RDF Schema and OWL.** The first half of the questions will be made available on: April 25 at 8:00 PM EST (same as 5:00 PM PST) (UTC -0500) and the second half on: April 26 at 8:00 PM EST (same as 5:00 PM PST) (UTC -0500) The questions for each day will require answers before 10:30 PM EST of that day. I will provide the answers using Rent-A-Coder's chat via the Rent-A-Coder's web site. (as the chat is logged). This is a summary of what the questions consit of during the two days in total. There are four parts. **Part one**: answer fifteen questions in the short text regarding to basic concepts on the syntax, property or feature of XML, XML Schema/DTD, SAX/DOM, RDF, RDF Schema and OWL, etc. **Part two**: three questions to analyze given RDF syntax, represent given syntax document in RDF graph, and analyze OWL model. **Part three**: three questions directly related to the Jena 2 and RDF. **Part four**: analyze and express OWL model based on material I will give one day prior to the questions. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Sample questions to expect: what is entity in an xml document? what are the advantages of xml schema over dtd? how does the xml parsing mechanizm differ between sax and dom? how does rdfs:range property differ from rdfs:domain property? explain the conceptual diffreences between rdf schema and owl what does the vocabulary schema do? provide three different ways of stating that two owl classes are disjoined what do owl property characteristicts do? what is default namespace in owl?