中文
相关论文

相关论文: Querying collections of tree-structured records in…

200 篇论文

Despite advances in large language model (LLM)-based natural language interfaces for databases, scaling to enterprise-level data catalogs remains an under-explored challenge. Prior works addressing this challenge rely on domain-specific…

计算与语言 · 计算机科学 2025-08-01 Jeffrey Eben , Aitzaz Ahmad , Stephen Lau

Recent advances in large language models enable documents to be represented as dense semantic embeddings, supporting similarity-based operations over large text collections. However, many web-scale systems still rely on flat clustering or…

计算与语言 · 计算机科学 2026-01-30 Thomas Haschka , Joseph Bakarji

Recently, the Log-Structured Merge-tree (LSM-tree) has been widely adopted for use in the storage layer of modern NoSQL systems. Because of this, there have been a large number of research efforts, from both the database community and the…

数据库 · 计算机科学 2019-07-22 Chen Luo , Michael J. Carey

In the domain of high-energy physics (HEP), query languages in general and SQL in particular have found limited acceptance. This is surprising since HEP data analysis matches the SQL model well: the data is fully structured and queried…

数据库 · 计算机科学 2021-11-02 Dan Graur , Ingo Müller , Mason Proffitt , Ghislain Fourny , Gordon T. Watts , Gustavo Alonso

Search engines play a vital role in day to day life on internet. People use search engines to find content on internet. Cloud computing is the computing concept in which data is stored and accessed with the help of a third party server…

信息检索 · 计算机科学 2014-11-26 Simran Bijral , Debajyoti Mukhopadhyay

Explaining why and how a tree $t$ structurally differs from another tree $t^\star$ is a question that is encountered throughout computer science, including in understanding tree-structured data such as XML or JSON data. In this article, we…

机器学习 · 计算机科学 2025-02-19 Daniel Neider , Leif Sabellek , Johannes Schmidt , Fabian Vehlken , Thomas Zeume

The paper presents a technique for constructing noisy data structures called a walking tree. We apply it for a Red-Black tree (an implementation of a Self-Balanced Binary Search Tree) and a segment tree. We obtain the same complexity of the…

量子物理 · 物理学 2023-05-16 Kamil Khadiev , Nikita Savelyev , Mansur Ziatdinov , Denis Melnikov

Document retrieval is one of the best established information retrieval activities since the sixties, pervading all search engines. Its aim is to obtain, from a collection of text documents, those most relevant to a pattern query. Current…

信息检索 · 计算机科学 2013-10-01 Gonzalo Navarro

This paper studies the performances of BERT combined with tree structure in short sentence ranking task. In retrieval-based question answering system, we retrieve the most similar question of the query question by ranking all the questions…

计算与语言 · 计算机科学 2019-09-09 Tong Guo , Huilin Gao

The goal of constraint-based sequence mining is to find sequences of symbols that are included in a large number of input sequences and that satisfy some constraints specified by the user. Many constraints have been proposed in the…

人工智能 · 计算机科学 2015-02-26 Benjamin Negrevergne , Tias Guns

Tree-structured multi-task architectures have been employed to jointly tackle multiple vision tasks in the context of multi-task learning (MTL). The major challenge is to determine where to branch out for each task given a backbone model to…

机器学习 · 计算机科学 2022-05-26 Lijun Zhang , Xiao Liu , Hui Guan

An indexed sequence of strings is a data structure for storing a string sequence that supports random access, searching, range counting and analytics operations, both for exact matches and prefix search. String sequences lie at the core of…

数据结构与算法 · 计算机科学 2012-04-17 Roberto Grossi , Giuseppe Ottaviano

Text-to-SQL is a technology that converts natural language queries into the structured query language SQL. A novel research approach that has recently gained attention focuses on methods based on the complexity of SQL queries, achieving…

计算与语言 · 计算机科学 2024-06-14 Jiawen Yi , Guo Chen , Zixiang Shen

We use reinforcement learning to learn tree-structured neural networks for computing representations of natural language sentences. In contrast with prior work on tree-structured models in which the trees are either provided as input or…

计算与语言 · 计算机科学 2016-11-29 Dani Yogatama , Phil Blunsom , Chris Dyer , Edward Grefenstette , Wang Ling

We introduce the lazy search tree data structure. The lazy search tree is a comparison-based data structure on the pointer machine that supports order-based operations such as rank, select, membership, predecessor, successor, minimum, and…

数据结构与算法 · 计算机科学 2020-10-20 Bryce Sandlund , Sebastian Wild

The problem of deciding whether CSP instances admit solutions has been deeply studied in the literature, and several structural tractability results have been derived so far. However, constraint satisfaction comes in practice as a…

人工智能 · 计算机科学 2013-07-19 Gianluigi Greco , Francesco Scarcello

A data structure, called a biased range tree, is presented that preprocesses a set S of n points in R^2 and a query distribution D for 2-sided orthogonal range counting queries. The expected query time for this data structure, when queries…

计算几何 · 计算机科学 2008-06-18 Vida Dujmovic , John Howat , Pat Morin

Open-domain long-form text generation requires generating coherent, comprehensive responses that address complex queries with both breadth and depth. This task is challenging due to the need to accurately capture diverse facets of input…

信息检索 · 计算机科学 2024-10-22 Kashob Kumar Roy , Pritom Saha Akash , Kevin Chen-Chuan Chang , Lucian Popa

In this uncertain world, data uncertainty is inherent in many applications and its importance is growing drastically due to the rapid development of modern technologies. Nowadays, researchers have paid more attention to mine patterns in…

Conversational recommender systems (CRS) aim to timely trace the dynamic interests of users through dialogues and generate relevant responses for item recommendations. Recently, various external knowledge bases (especially knowledge graphs)…

人工智能 · 计算机科学 2023-07-21 Wendi Li , Wei Wei , Xiaoye Qu , Xian-Ling Mao , Ye Yuan , Wenfeng Xie , Dangyang Chen