Tag arrays
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866910710116646912 |
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| author | Gagie, Travis |
| author_facet | Gagie, Travis |
| contents | The Burrows-Wheeler Transform (BWT) moves characters with similar contexts in a text together, where a character's context consists of the characters immediately following it. We say that a property has contextual locality if characters with similar contexts tend to have the same or similar values (``tags'') of that property. We argue that if we consider a repetitive text and such a property and the tags in their characters' BWT order, then the resulting string -- the text and property's {\em tag array} -- will be run-length compressible either directly or after some minor manipulation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_15291 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tag arrays Gagie, Travis Data Structures and Algorithms The Burrows-Wheeler Transform (BWT) moves characters with similar contexts in a text together, where a character's context consists of the characters immediately following it. We say that a property has contextual locality if characters with similar contexts tend to have the same or similar values (``tags'') of that property. We argue that if we consider a repetitive text and such a property and the tags in their characters' BWT order, then the resulting string -- the text and property's {\em tag array} -- will be run-length compressible either directly or after some minor manipulation. |
| title | Tag arrays |
| topic | Data Structures and Algorithms |
| url | https://arxiv.org/abs/2411.15291 |