Floris Geerts, Wenfei Fan. Satisfiability of XPath Queries with Sibling Axes. In Gavin M. Bierman, Christoph Koch, editors, Database Programming Languages, 10th International Symposium, DBPL 2005, Trondheim, Norway, August 28-29, 2005, Revised Selected Papers. Volume 3774 of Lecture Notes in Computer Science, pages 122-137, Springer, 2005. [doi]
Abstract is missing.