Suffix arrays: basic queries

Published: 07 August 2022
on channel: Ben Langmead
4,379
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I discuss how to use binary search to query the suffix array. I compare and contrast this with how we queried the suffix tree and compare their time bounds.

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Langmead, Ben (2024). Suffix-based indexing data structures: learning materials. figshare. Collection. https://doi.org/10.6084/m9.figshare.c...

── Course & channel links ──
Course playlist: Suffix Indexing
   • Suffix Indexing  

Related playlists:
Algorithms for DNA Sequencing:    • Algorithms for DNA Sequencing  
Burrows-Wheeler Indexing:    • Burrows-Wheeler Indexing  

── About the author ──
Ben Langmead is a Professor of Computer Science at Johns Hopkins University, where his research spans bioinformatics, computational biology, and data-intensive science. He is the author of Bowtie and Bowtie 2; his group has also developed software like Kraken 2 and resources like recount3 and Index Zone, as well as methods for pangenome indexing and querying, based on e.g. the r-index and move structure. His group's methods have been cited over 130,000 times, and he is the winner of awards including an NSF CAREER award, a Sloan Research Fellowship, the Benjamin Franklin award for contributions to open access, and multiple awards for teaching and mentorship. Ben is the founder and principal of InOrder Labs LLC (https://inorderlabs.com), an expert consulting firm in bioinformatics and computational biology.

Channel:    / @benlangmead  
Teaching materials: https://langmead-lab.org/teaching.html


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