Department of Computer Science | Institute of Theoretical Computer Science | CADMO

Theory of Combinatorial Algorithms

Prof. Emo Welzl and Prof. Bernd Gärtner

Mittagsseminar (in cooperation with M. Ghaffari, A. Steger and B. Sudakov)

Mittagsseminar Talk Information

Date and Time: Thursday, April 27, 2017, 12:15 pm

Duration: 30 minutes

Location: CAB G51

Speaker: Pascal Su

Labeling Schemes for Rooted Trees

Labeling schemes are a pair of encoder and decoder such that we can label the vertices of any rooted tree of given size, labeling the nodes with binary strings or numbers. Labels are chosen such that the decoder can perform certain queries in the tree with just the labels of two vertices, without knowing anything about the rest of the tree structure. As an example, this makes sense in the setting where we access large databases and queries can be costly. To not make this task trivial, we also we would like to minimize the largest label size.
This is joint work with Fabian Kuhn and Konstantinos Panagiotou


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