Konstantinos F. Xylogiannopoulos

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Suffix array is a powerful data structure, used mainly for pattern detection in strings. The main disadvantage of a full suffix array is its quadratic O(n 2 ) space capacity when the actual suffixes are needed. In our previous work [39], we introduced the innovative All Repeated Patterns Detection (ARPaD) algorithm and the Moving Longest Expected Repeated(More)
This paper discusses the practices employed by various terrorist groups that operated in European countries between the years of 1968 and 2009. We focus on the deployment of the terrorist operations as presented in the RAND Database of Worldwide Terrorism Activities. In this context we elaborate on the tactics of the terrorist groups with the highest(More)
Suffix arrays form a powerful data structure for pattern detection and matching. In a previous work, we presented a novel algorithm (COV) which is the only algorithm that allows the detection of all repeated patterns in a time series by using the actual suffix array. However, the requirements for storing the actual suffix strings even on external media(More)