213 search results - page 4 / 43 » Relating Word and Tree Automata |
RTA
2004
Springer
14 years 25 days ago
2004
Springer
The problem of selecting nodes in unranked trees is the most basic querying problem for XML. We propose stepwise tree automata for querying unranked trees. Stepwise tree automata c...
STACS
2007
Springer
14 years 1 months ago
2007
Springer
We consider Sturmian trees as a natural generalization of Sturmian words. A Sturmian tree is a tree having n+1 distinct subtrees of height n for each n. As for the case of words, S...
IANDC
2007
13 years 7 months ago
2007
We explore the notion of alternating two-way tree automata modulo the theory of finitely many associative-commutative (AC) symbols. This was prompted by questions arising in cryp...
ICALP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Nested words are a restriction of the class of visibly pushdown languages that provide a natural model of runs of programs with recursive procedure calls. The usual conne...
FUIN
2008
13 years 7 months ago
2008