SIAM Journal on Computing
CAAP '92 Proceedings of the 17th Colloquium on Trees in Algebra and Programming
Searching in random partially ordered sets
Theoretical Computer Science - Latin American theorotical informatics
Generalization of Binary Search: Searching in Trees and Forest-Like Partial Orders
FOCS '06 Proceedings of the 47th Annual IEEE Symposium on Foundations of Computer Science
Finding an optimal tree searching strategy in linear time
Proceedings of the nineteenth annual ACM-SIAM symposium on Discrete algorithms
Edge ranking and searching in partial orders
Discrete Applied Mathematics
An Approximation Algorithm for Binary Searching in Trees
ICALP '08 Proceedings of the 35th international colloquium on Automata, Languages and Programming, Part I
Sorting and selection in posets
SODA '09 Proceedings of the twentieth Annual ACM-SIAM Symposium on Discrete Algorithms
On the complexity of searching in trees: average-case minimization
ICALP'10 Proceedings of the 37th international colloquium conference on Automata, languages and programming
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We give the first data structure for the problem of maintaining a dynamic set of n elements drawn from a partially ordered universe described by a tree. We define the LINE-LEAF Tree, a linear-sized data structure that supports the operations: insert; delete; test membership; and predecessor. The performance of our data structure is within an O(log w)-factor of optimal. Here w ≤ n is the width of the partial-order--a natural obstacle in searching a partial order.