Benchmarking learned indexes

R Marcus, A Kipf, A van Renen, M Stoian… - arXiv preprint arXiv …, 2020 - arxiv.org
Recent advancements in learned index structures propose replacing existing index
structures, like B-Trees, with approximate learned models. In this work, we present a unified …

A tutorial on learned multi-dimensional indexes

A Al-Mamun, H Wu, WG Aref - … of the 28th International Conference on …, 2020 - dl.acm.org
Recently, Machine Learning (ML, for short) has been successfully applied to database
indexing. Initial experimentation on Learned Indexes has demonstrated better search …

Are updatable learned indexes ready?

C Wongkham, B Lu, C Liu, Z Zhong, E Lo… - arXiv preprint arXiv …, 2022 - arxiv.org
Recently, numerous promising results have shown that updatable learned indexes can
perform better than traditional indexes with much lower memory space consumption. But it is …

A learned approach to design compressed rank/select data structures

A Boffa, P Ferragina, G Vinciguerra - ACM Transactions on Algorithms …, 2022 - dl.acm.org
We address the problem of designing, implementing, and experimenting with compressed
data structures that support rank and select queries over a dictionary of integers. We shine a …

Why are learned indexes so effective?

P Ferragina, F Lillo… - … Conference on Machine …, 2020 - proceedings.mlr.press
A recent trend in algorithm design consists of augmenting classic data structures with
machine learning models, which are better suited to reveal and exploit patterns and trends …

Towards instance-optimized data systems

T Kraska - Proceedings of the VLDB Endowment, 2021 - par.nsf.gov
In recent years, we have seen increased interest in applying machine learning to system
problems. For example, there has been work on applying machine learning to improve …

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] On the performance of learned data structures

P Ferragina, F Lillo, G Vinciguerra - Theoretical Computer Science, 2021 - Elsevier
A recent trend in algorithm design consists of augmenting classic data structures with
machine learning models, which are better suited to reveal and exploit patterns and trends …

NFL: robust learned index via distribution transformation

S Wu, Y Cui, J Yu, X Sun, TW Kuo, CJ Xue - arXiv preprint arXiv …, 2022 - arxiv.org
Recent works on learned index open a new direction for the indexing field. The key insight of
the learned index is to approximate the mapping between keys and positions with piece …

The “AI+ R”-tree: An Instance-optimized R-tree

CMR Haider, J Wang, WG Aref - 2022 23rd IEEE …, 2022 - ieeexplore.ieee.org
The emerging class of instance-optimized systems has shown potential to achieve high
performance by specializing to a specific data and query workloads. Particularly, Machine …