The Complexity of Some Problems on Subsequences and Supersequences
Journal of the ACM (JACM)
Proceedings of the 2nd GI Conference on Automata Theory and Formal Languages
Piecewise and Local Threshold Testability of DFA
FCT '01 Proceedings of the 13th International Symposium on Fundamentals of Computation Theory
Expressiveness and complexity of XML Schema
ACM Transactions on Database Systems (TODS)
The complexity of reasoning about pattern-based XML schemas
Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
nSPARQL: A navigational language for RDF
Web Semantics: Science, Services and Agents on the World Wide Web
Succinctness of pattern-based schema languages for XML
Journal of Computer and System Sciences
Counting beyond a Yottabyte, or how SPARQL 1.1 property paths will prevent adoption of the standard
Proceedings of the 21st international conference on World Wide Web
The complexity of evaluating path expressions in SPARQL
PODS '12 Proceedings of the 31st symposium on Principles of Database Systems
Developing and analyzing XSDs through BonXai
Proceedings of the VLDB Endowment
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When can two regular word languages K and L be separated by a simple language? We investigate this question and consider separation by piecewise- and suffix-testable languages and variants thereof. We give characterizations of when two languages can be separated and present an overview of when these problems can be decided in polynomial time if K and L are given by nondeterministic automata.