X-Schemas'09 is scheduled on September 7, 2009. It will consist of two sessions involving accepted papers (see the list of abstracts of Accepted Papers). Each presenter will be given 15 minutes for presentation and 5 minutes for questions. The workshop will take place in building Meza 1/3, 1/4, room 515. The program of other workshops, transport information, maps etc. can be found in the full ADBIS program at the ADBIS web site.

Start	End	Content
08:30	16:00	Registration
09:00	09:30	WS Chairs Meeting
09:45	11:15	Session 1 (Chair: Pavel Loupal) Philip Hanson and Murali Mani: Semantic Optimization of XQuery by Rewriting Nicole Bidoit, Dario Colazzo, Noor Malla and Marina Sahakyan: Projection based Optimization for XML Updates Michele Chinosi and Alberto Trombetta: An Enhanced XML-Schema Model for BPMN Jakub Klimek, Lukas Kopenec, Pavel Loupal and Jakub Maly: XCase - A Tool for Conceptual XML Data Modeling
11:15	11:45	Coffee break
11:45	13:15	Session 2 (Chair: Pavel Loupal) Mircea Marin and Temur Kutsia: Linear Systems for Regular Hedge Languages Manuk G. Manukyan: Element Algebra Md. Sumon Shahriar and Jixue Liu: Performances of Checking XML Key and Functional Dependency Susan Malaika and Christian Pichler: XML Constraint Checking: An Evaluation based on the Healthcare Environment
13:15	14:30	Lunch