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Related papers: LSM-based Storage Techniques: A Survey

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The paper surveys recent extensions of the Long-Short Term Memory networks to handle tree structures from the perspective of learning non-trivial forms of isomorph structured transductions. It provides a discussion of modern TreeLSTM…

Machine Learning · Computer Science 2019-02-06 Davide Bacciu , Antonio Bruno

In the last decade, key-value data storage systems have gained significantly more interest from academia and industry. These systems face numerous challenges concerning storage space- and read optimization. There exists a large potential…

Databases · Computer Science 2020-04-07 Martin Weise

Understanding the performance profiles of storage devices and how best to utilize them has always been non-trivial due to factors such as seek times, caching, scheduling, concurrent access, flash wear-out, and garbage collection. However,…

Data Structures and Algorithms · Computer Science 2025-07-10 Erin Ransom , Andrew Lim , Michael Mitzenmacher

We use machine learning to optimize LSM-tree structure, aiming to reduce the cost of processing various read/write operations. We introduce a new approach Camal, which boasts the following features: (1) ML-Aided: Camal is the first attempt…

Databases · Computer Science 2024-09-24 Weiping Yu , Siqiang Luo , Zihao Yu , Gao Cong

Two emerging hardware trends will dominate the database system technology in the near future: increasing main memory capacities of several TB per server and massively parallel multi-core processing. Many algorithmic and control techniques…

Databases · Computer Science 2012-07-03 Martina-Cezara Albutiu , Alfons Kemper , Thomas Neumann

LLM Ensemble -- which involves the comprehensive use of multiple large language models (LLMs), each aimed at handling user queries during downstream inference, to benefit from their individual strengths -- has gained substantial attention…

Large language models (LLMs) rely on Key-Value (KV) cache to reduce time-to-first-token (TTFT) latency, but existing disk-based KV cache systems using file-per-object layouts suffer from severe scalability bottlenecks due to file system…

Databases · Computer Science 2025-11-26 Weiping Yu , Ye Jiarui , He Mengke , Junfeng Liu , Siqiang Luo

Data-intensive applications fueled the evolution of log structured merge (LSM) based key-value engines that employ the out-of-place paradigm to support high ingestion rates with low read/write interference. These benefits, however, come at…

Databases · Computer Science 2020-06-16 Subhadeep Sarkar , Tarikul Islam Papon , Dimitris Staratzis , Manos Athanassoulis

Large language models (LLMs) have demonstrated remarkable capabilities across various NLP tasks and have recently expanded their impact to coding tasks, bridging the gap between natural languages (NL) and programming languages (PL). This…

Computation and Language · Computer Science 2024-12-12 Nishat Raihan , Christian Newman , Marcos Zampieri

Converting natural language (NL) questions into SQL queries, referred to as Text-to-SQL, has emerged as a pivotal technology for facilitating access to relational databases, especially for users without SQL knowledge. Recent progress in…

Computation and Language · Computer Science 2025-06-02 Yiming Huang , Jiyu Guo , Wenxin Mao , Cuiyun Gao , Peiyi Han , Chuanyi Liu , Qing Ling

There is a proliferation of applications requiring the management of large-scale, evolving graphs under workloads with intensive graph updates and lookups. Driven by this challenge, we introduce Poly-LSM, a high-performance key-value…

Databases · Computer Science 2025-01-14 Dingheng Mo , Junfeng Liu , Fan Wang , Siqiang Luo

Key-value stores underpin a wide range of applications due to their simplicity and efficiency. Log-Structured Merge Trees (LSM-trees) dominate as their underlying structure, excelling at handling rapidly growing data. Recent research has…

Databases · Computer Science 2026-01-29 Junfeng Liu , Haoxuan Xie , Siqiang Luo

In Natural Language Processing (NLP), we often need to extract information from tree topology. Sentence structure can be represented via a dependency tree or a constituency tree structure. For this reason, a variant of LSTMs, named…

Computation and Language · Computer Science 2019-01-03 Mahtab Ahmed , Muhammad Rifayat Samee , Robert E. Mercer

With the development of the Large Language Models (LLMs), a large range of LLM-based Text-to-SQL(Text2SQL) methods have emerged. This survey provides a comprehensive review of LLM-based Text2SQL studies. We first enumerate classic…

Computation and Language · Computer Science 2025-06-04 Liang Shi , Zhengju Tang , Nan Zhang , Xiaotong Zhang , Zhi Yang

Generating accurate SQL from users' natural language questions (text-to-SQL) remains a long-standing challenge due to the complexities involved in user question understanding, database schema comprehension, and SQL generation. Traditional…

Computation and Language · Computer Science 2025-11-25 Zijin Hong , Zheng Yuan , Qinggang Zhang , Hao Chen , Junnan Dong , Feiran Huang , Xiao Huang

Scan-based operations, such as backstage compaction and value filtering, have emerged as the main bottleneck for LSM-Trees in supporting contemporary data-intensive applications. For slower external storage devices, such as HDD and SATA…

Databases · Computer Science 2025-08-19 Jianfeng Huang , Ziyao Wang , Lin Yuan , Jiajie Wen , Yihao Cao , Dongjing Miao , Yong Wang , Jiahao Zhang

Small Language Models (SLMs) have become increasingly important due to their efficiency and performance to perform various language tasks with minimal computational resources, making them ideal for various settings including on-device,…

Log data provides crucial insights for tasks like monitoring, root cause analysis, and anomaly detection. Due to the vast volume of logs, automated log parsing is essential to transform semi-structured log messages into structured…

Machine Learning · Computer Science 2025-05-16 Viktor Beck , Max Landauer , Markus Wurzenberger , Florian Skopik , Andreas Rauber

It is challenging to convert natural language (NL) questions into executable structured query language (SQL) queries for text-to-SQL tasks due to the vast number of database schemas with redundancy, which interferes with semantic learning,…

Databases · Computer Science 2025-02-11 Zhuopan Yang , Yuanzhen Xie , Ruichao Zhong , Yunzhi Tan , Enjie Liu , Zhenguo Yang , Mochi Gao , Bo Hu , Zang Li

In this paper, we propose a novel method for extracting information from HTML tables with similar contents but with a different structure. We aim to integrate multiple HTML tables into a single table for retrieval of information containing…

Information Retrieval · Computer Science 2024-10-01 Kazuki Kawamura , Akihiro Yamamoto