@InProceedings{valeriote_et_al:DagSemProc.09441.3,
  author =	{Valeriote, Matt and Bova, Simone and Chen, Hubie},
  title =	{{On the Expression Complexity of Equivalence and Isomorphism of Primitive Positive Formulas}},
  booktitle =	{The Constraint Satisfaction Problem: Complexity and Approximability},
  pages =	{1--20},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2010},
  volume =	{9441},
  editor =	{Andrei A. Bulatov and Martin Grohe and Phokion G. Kolaitis and Andrei Krokhin},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.09441.3},
  URN =		{urn:nbn:de:0030-drops-23690},
  doi =		{10.4230/DagSemProc.09441.3},
  annote =	{Keywords: Expression complexity, equivalence, isomorphism, primitive positive formulas}
}