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Related papers: Updatable Learned Index with Precise Positions

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A growing trend in the database and system communities is to augment conventional index structures, such as B+-trees, with machine learning (ML) models. Among these, error-bounded Piecewise Linear Approximation ($\epsilon$-PLA) has emerged…

Databases · Computer Science 2025-06-26 Jiayong Qin , Xianyu Zhu , Qiyu Liu , Guangyi Zhang , Zhigang Cai , Jianwei Liao , Sha Hu , Jingshu Peng , Yingxia Shao , Lei Chen

This paper shows that further evaluation metrics during model training are needed to decide about its applicability in inference. As an example, a LayoutLM-based model is trained for token classification in documents. The documents are…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Anket Mehra , Malte Prieß , Marian Himstedt

Recent research on learned indexes has created a new perspective for indexes as models that map keys to their respective storage locations. These learned indexes are created to approximate the cumulative distribution function of the key…

Databases · Computer Science 2024-12-17 Kasun Amarasinghe , Farhana Choudhury , Jianzhong Qi , James Bailey

Learned indexes have emerged as a promising alternative to traditional index structures, offering higher throughput and lower memory usage by approximating the cumulative key distribution function with lightweight models. Despite these…

Databases · Computer Science 2026-05-25 Shubham Vashisth , Olivier Michaud , Bettina Kemme , Oana Balmau

Machine Learning Techniques, properly combined with Data Structures, have resulted in Learned Static Indexes, innovative and powerful tools that speed-up Binary Search, with the use of additional space with respect to the table being…

Information Retrieval · Computer Science 2022-09-20 Domenico Amato , Giosuè Lo Bosco , Raffaele Giancarlo

Large-scale industrial recommender systems are usually confronted with computational problems due to the enormous corpus size. To retrieve and recommend the most relevant items to users under response time limits, resorting to an efficient…

Information Retrieval · Computer Science 2019-11-21 Han Zhu , Daqing Chang , Ziru Xu , Pengye Zhang , Xiang Li , Jie He , Han Li , Jian Xu , Kun Gai

We study learning-augmented binary search trees (BSTs) via Treaps with carefully designed priorities. The result is a simple search tree in which the depth of each item $x$ is determined by its predicted weight $w_x$. Specifically, each…

Data Structures and Algorithms · Computer Science 2025-05-16 Jingbang Chen , Xinyuan Cao , Alicia Stepin , Li Chen

Node Importance Estimation (NIE) is a task of inferring importance scores of the nodes in a graph. Due to the availability of richer data and knowledge, recent research interests of NIE have been dedicating to knowledge graphs for…

Artificial Intelligence · Computer Science 2024-02-29 Tianyu Zhang , Chengbin Hou , Rui Jiang , Xuegong Zhang , Chenghu Zhou , Ke Tang , Hairong Lv

Given the increasing interest in interpretable machine learning, classification trees have again attracted the attention of the scientific community because of their glass-box structure. These models are usually built using greedy…

Machine Learning · Computer Science 2023-05-16 Tommaso Aldinucci

The rapid growth of tabular datasets in data lakes, data spaces, and open data portals makes effective dataset search essential for reuse and analysis. Existing search systems rely mainly on metadata, which is often incomplete or low…

Information Retrieval · Computer Science 2026-05-19 Riccardo Terrenzi , Matteo Falconi , Serkan Ayvaz , Pierluigi Plebani

In this demo, we realize data indexes that can morph from being write-optimized at times to being read-optimized at other times nonstop with zero-down time during the workload transitioning. These data indexes are useful for HTAP systems…

Databases · Computer Science 2024-06-14 Lu Xing , Walid G. Aref

There is great excitement about learned index structures, but understandable skepticism about the practicality of a new method uprooting decades of research on B-Trees. In this paper, we work to remove some of that uncertainty by…

The recent proposal of learned index structures opens up a new perspective on how traditional range indexes can be optimized. However, the current learned indexes assume the data distribution is relatively static and the access pattern is…

Machine Learning · Computer Science 2019-02-05 Chuzhe Tang , Zhiyuan Dong , Minjie Wang , Zhaoguo Wang , Haibo Chen

Efficient construction of models capturing the preconditions and effects of actions is essential for applying AI planning in real-world domains. Extensive prior work has explored learning such models from high-level descriptions of state…

Artificial Intelligence · Computer Science 2026-05-08 Kai Xi , Stephen Gould , Sylvie Thiébaux

Efficient indexing is fundamental for multi-dimensional data management and analytics. An emerging tendency is to directly learn the storage layout of multi-dimensional data by simple machine learning models, yielding the concept of Learned…

Databases · Computer Science 2024-05-10 Qiyu Liu , Maocheng Li , Yuxiang Zeng , Yanyan Shen , Lei Chen

A learned multi-dimensional index is a data structure that efficiently answers multi-dimensional orthogonal queries by understanding the data distribution using machine learning models. One of the existing problems is that the search…

Data Structures and Algorithms · Computer Science 2024-11-18 Fuma Hidaka , Yusuke Matsui

Automated data preparation is crucial for democratizing machine learning, yet existing reinforcement learning (RL) based approaches suffer from inefficient exploration in the vast space of possible preprocessing pipelines. We present…

Databases · Computer Science 2025-07-21 Jing Chang , Chang Liu , Jinbin Huang , Rui Mao , Jianbin Qin

We propose a hierarchical architecture for efficiently computing high-quality solutions to structured mixed-integer programs (MIPs). To reduce computational effort, our approach decouples the original problem into a higher level problem and…

Optimization and Control · Mathematics 2025-12-04 Stefan Clarke , Bartolomeo Stellato

Large language models (LLMs) have achieved impressive performance across various natural language benchmarks, prompting a continual need to curate more difficult datasets for larger LLMs, which is costly and time-consuming. In this paper,…

Computation and Language · Computer Science 2024-06-07 Jiahao Ying , Yixin Cao , Yushi Bai , Qianru Sun , Bo Wang , Wei Tang , Zhaojun Ding , Yizhe Yang , Xuanjing Huang , Shuicheng Yan

Topic modeling is widely used for uncovering thematic structures within text corpora, yet traditional models often struggle with specificity and coherence in domain-focused applications. Guided approaches, such as SeededLDA and CorEx,…

Computation and Language · Computer Science 2025-05-23 Chia-Hsuan Chang , Jui-Tse Tsai , Yi-Hang Tsai , San-Yih Hwang