String Processing and Information Retrieval: 28th International Symposium, SPIRE 2021, Lille, France, October 4-6, 2021, Proceedings

Invited papers.- r-indexing the eBWT.- Unicode at Gigabytes per Second.- Combinatorics.- Longest Common Rollercoasters.- Minimal unique palindromic substrings after single-character substitution.- Permutation-constrained Common String Partitions with Applications.- All instantiations of the greedy algorithm for the shortest superstring problem are equivalent.- String Covers of a Tree.- Compression.- Grammar Index By Induced Suffix Sorting.- An LMS-based Grammar Self-index with Local Consistency Properties.- On the approximation ratio of LZ-End to LZ77.- Data Structures.- Computing the original eBWT faster, simpler, and with less memory.- Extracting the Sparse Longest Common Pre x Array from the Suffix Binary Search Tree.- findere: fast and precise approximate membership query.- Repeats.- Improved Topic Modeling in Twitter through Community Pooling.- Lower Bounds for the Number of Repetitions in 2D Strings.- On Stricter Reachable Repetitiveness Measures.- Information Retrieval.- Improved Topic modeling in Twitter through Community Pooling.- TSXor: A Simple Time Series Compression Algorithm.- Pattern Matching.- Exploiting Pseudo-Locality of Interchange Distance.- Position Heaps for Cartesian-tree Matching on Strings and Tries.