@InProceedings{karandikar_et_al:LIPIcs.FSTTCS.2015.84,
  author =	{Karandikar, Prateek and Schnoebelen, Philippe},
  title =	{{Decidability in the Logic of Subsequences and Supersequences}},
  booktitle =	{35th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2015)},
  pages =	{84--97},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-97-2},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{45},
  editor =	{Harsha, Prahladh and Ramalingam, G.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2015.84},
  URN =		{urn:nbn:de:0030-drops-56428},
  doi =		{10.4230/LIPIcs.FSTTCS.2015.84},
  annote =	{Keywords: subsequence, subword, logic, first-order logic, decidability, piecewise- testability, Simon’s congruence}
}