Optimal-time queries on BWT-runs compressed indexes

T Nishimoto, Y Tabei - arXiv preprint arXiv:2006.05104, 2020 - arxiv.org
Indexing highly repetitive strings (ie, strings with many repetitions) for fast queries has
become a central research topic in string processing, because it has a wide variety of …

[HTML][HTML] CoCo-trie: Data-aware compression and indexing of strings

A Boffa, P Ferragina, F Tosoni, G Vinciguerra - Information Systems, 2024 - Elsevier
We address the problem of compressing and indexing a sorted dictionary of strings to
support efficient lookups and more sophisticated operations, such as prefix, predecessor …

On nonlinear learned string indexing

P Ferragina, M Frasca, GC Marinò… - IEEE Access, 2023 - ieeexplore.ieee.org
We investigate the potential of several artificial neural network architectures to be used as
an index on a sorted set of strings, namely, as a mapping from a query string to (an estimate …

[HTML][HTML] Two-level massive string dictionaries

P Ferragina, M Rotundo, G Vinciguerra - Information Systems, 2025 - Elsevier
We study the problem of engineering space–time efficient data structures that support
membership and rank queries on very large static dictionaries of strings. Our solution is …

Learned Indices for String Keys with Optimized Performance and O (N) Space Cost

Y Yang, S Chen - ACM Transactions on Database Systems, 2026 - dl.acm.org
Index is an important component in database systems. Learned indices have been shown to
outperform traditional tree-based index structures for fixed-sized integer or floating point …

Dynamic path-decomposed tries

S Kanda, D Köppl, Y Tabei, K Morita… - Journal of Experimental …, 2020 - dl.acm.org
A keyword dictionary is an associative array whose keys are strings. Recent applications
handling massive keyword dictionaries in main memory have a need for a space-efficient …

Software platform for next-generation intelligent computer systems

N Zotov - 2022 - libeldoc.bsuir.by
This paper describes the methodology of designing semantically compatible computer
systems and ensuring their independence from the implementation of platforms for …

C^ 2: Cache-Conscious Succinct Tries with Adaptive Unary Path Compression

K Zhang, T Zhao, H Xu - arXiv preprint arXiv:2606.16104, 2026 - arxiv.org
Succinct tries are powerful string dictionaries because of their low memory footprint and fast
query performance. However, existing succinct trie implementations face two key challenges …

Compressed string dictionaries via data-aware subtrie compaction

A Boffa, P Ferragina, F Tosoni… - … Symposium on String …, 2022 - Springer
String dictionaries are a core component of a plethora of applications, so it is not surprising
that they have been widely and deeply investigated in the literature since the introduction of …

Optimized blockchain deployment and application for trusted industrial internet of things

D Li - 2024 - theses.hal.science
The continued advancement of the Industrial Internet of Things (IIoT) presents promising
prospects and numerous opportunities for improving the operational frameworks of industrial …