Balisage is a peer reviewed conference designed to meet the needs of markup theoreticians and practitioners. It's all about the markup: how to create it; what it means; hierarchies and overlap; modeling; taxonomies; transformation; query, searching, and retrieval; presentation and accessibility. It's an XML Conference. It's an XSL Conference. It's a conference about XSD, XQuery, RDF, UBL, SGML, LMNL, XSL-FO, XTM, SVG, MathML, OWL, TexMECS, and RNG. Details at: http://www.balisage.net/ Prior to the Balisage Conference will be the International Symposium on Processing XML Efficiently. This a one-day exploration on ways to overcome limits on space, time, or bandwidth when processing XML. Details at: http://www.balisage.net/Processing/