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Algorithms for Jumbled Indexing, Jumbled Border and Jumbled Square on Run-Length Encoded Strings

机译:游程长度编码字符串上混杂索引,混杂边界和混杂平方的算法

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Jumbled Indexing, the problem of indexing a text for histogram queries, has been of much interest lately. In this paper we consider jumbled indexing for run-length encoded texts. We refute a former conjecture and show an algorithm for general sized alphabets. We also consider Jumbled Borders, the extension of borders to jumbled strings. Borders are the basis for various algorithms. Finally, we consider Jumbled Squares, strings which are of the form xx, where x is a jumbling of x. We show efficient algorithms for these problems.
机译:近来,混杂索引,即为直方图查询索引文本的问题,引起了人们的极大兴趣。在本文中,我们考虑了行程编码文本的混乱索引。我们驳斥了一个先前的猜想,并展示了一种适用于一般大小字母的算法。我们还考虑了混杂边界,即边界到混杂字符串的扩展。边界是各种算法的基础。最后,我们考虑混杂正方形,字符串形式为xx,其中x是x的混杂。我们展示了针对这些问题的有效算法。

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