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Data warehouses organize data in a columnar format to enable faster scans and better compression. Modern systems offer a variety of column encodings that can reduce storage footprint and improve query performance. Selecting a good encoding…

数据库 · 计算机科学 2021-05-20 Lujing Cen , Andreas Kipf , Ryan Marcus , Tim Kraska

We introduce EventColumn, a new column type that integrates event-sequence data with heterogeneous tabular attributes into a single unified table. EventColumn lets analysts compare event sequences alongside numerical, categorical, and…

人机交互 · 计算机科学 2026-05-08 Jakob Zethofer , Andreas Hinterreiter , Lukas Schiefermüller , Belgin Mutlu , Marc Streit

Semi-structured data formats such as JSON have proved to be useful data models for applications that require flexibility in the format of data stored. However, JSON data often come without the schemas that are typically available with…

数据库 · 计算机科学 2024-07-04 Michael J. Mior

In order to reduce the manual cost of designing ER models, recent approaches have been proposed to address the task of NL2ERM, i.e., automatically generating entity-relationship (ER) models from natural language (NL) utterances such as…

计算与语言 · 计算机科学 2023-12-22 Zhenwen Li , Jian-Guang Lou , Tao Xie

Processing data streams in near real-time is an increasingly important task. In the case of event-timestamped data, the stream processing system must promptly handle late events that arrive after the corresponding window has been processed.…

分布式、并行与集群计算 · 计算机科学 2020-04-24 Sérgio Esteves , Gianmarco De Francisci Morales , Rodrigo Rodrigues , Marco Serafini , Luís Veiga

The future of poultry production depends on a paradigm shift replacing subjective, labor-intensive welfare checks with data-driven, intelligent monitoring ecosystems. Traditional welfare assessments-limited by human observation and…

人工智能 · 计算机科学 2025-08-12 Daniel Essien , Suresh Neethirajan

Maintaining high data quality is crucial for reliable data analysis and machine learning (ML). However, existing data quality management tools often lack automation, interactivity, and integration with ML workflows. This demonstration paper…

数据库 · 计算机科学 2025-01-29 Mohamed Abdelaal , Samuel Lokadjaja , Arne Kreuz , Harald Schöning

The internet is saturated with low-density, high-redundancy information, such as social media comments, repetitive news, and lengthy discussions, making it difficult to extract valuable insights efficiently. Multi-layer nested JSON…

人工智能 · 计算机科学 2025-10-01 Zhicheng Zhou , Jing Li , Suming Qiu , Junjie Huang , Linyuan Qiu , Zhijie Sun

When LLMs process structured data, the serialization format directly affects cost and context utilization. Standard JSON wastes tokens repeating key names in every row of a tabular array--overhead that scales linearly with row count. This…

人工智能 · 计算机科学 2026-04-08 Gowthamkumar Nandakishore

Object detection with event cameras benefits from the sensor's low latency and high dynamic range. However, it is costly to fully label event streams for supervised training due to their high temporal resolution. To reduce this cost, we…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Ziyi Wu , Mathias Gehrig , Qing Lyu , Xudong Liu , Igor Gilitschenski

LLM agents routinely serve as first (and sometimes only) readers of academic papers, skimming for sub-claims, extracting reproducibility steps, and generalizing scope. Standard prose papers produce recurring failures in this role:…

数字图书馆 · 计算机科学 2026-05-18 Arquimedes Canedo

JSON Schema is the de-facto standard schema language for JSON data. The language went through many minor revisions, but the most recent versions of the language added two novel features, dynamic references and annotation-dependent…

Recent advances in text-to-image (T2I) generation have shown remarkable success in producing high-quality images from text. However, existing T2I models show decayed performance in compositional image generation involving multiple objects…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Zejian Li , Chenye Meng , Yize Li , Ling Yang , Shengyuan Zhang , Jiarui Ma , Jiayi Li , Guang Yang , Changyuan Yang , Zhiyuan Yang , Jinxiong Chang , Lingyun Sun

Writing formulas on spreadsheets, such as Microsoft Excel and Google Sheets, is a widespread practice among users performing data analysis. However, crafting formulas on spreadsheets remains a tedious and error-prone task for many…

计算与语言 · 计算机科学 2024-02-26 Wei Zhao , Zhitao Hou , Siyuan Wu , Yan Gao , Haoyu Dong , Yao Wan , Hongyu Zhang , Yulei Sui , Haidong Zhang

Cattle farming is one of the important and profitable agricultural industries. Employing intelligent automated precision livestock farming systems that can count animals, track the animals and their poses will raise productivity and…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Kian Eng Ong , Sivaji Retta , Ramarajulu Srinivasan , Shawn Tan , Jun Liu

Despite the fact that JSON is currently one of the most popular formats for exchanging data on the Web, there are very few studies on this topic and there are no agreement upon theoretical framework for dealing with JSON. There- fore in…

数据库 · 计算机科学 2017-01-10 Pierre Bourhis , Juan L. Reutter , Fernando Suárez , Domagoj Vrgoč

Recently presented Token-Oriented Object Notation (TOON) aims to replace JSON as a serialization format for passing structured data to LLMs with significantly reduced token usage. While showing solid accuracy in LLM comprehension, there is…

计算与语言 · 计算机科学 2026-03-05 Ivan Matveev

Recognizing facts is the most fundamental step in making judgments, hence detecting events in the legal documents is important to legal case analysis tasks. However, existing Legal Event Detection (LED) datasets only concern incomprehensive…

计算与语言 · 计算机科学 2022-03-17 Feng Yao , Chaojun Xiao , Xiaozhi Wang , Zhiyuan Liu , Lei Hou , Cunchao Tu , Juanzi Li , Yun Liu , Weixing Shen , Maosong Sun

Evidence plays a crucial role in automated fact-checking. When verifying real-world claims, existing fact-checking systems either assume the evidence sentences are given or use the search snippets returned by the search engine. Such methods…

计算与语言 · 计算机科学 2024-01-30 Xuming Hu , Junzhe Chen , Zhijiang Guo , Philip S. Yu

Model-Driven Engineering (MDE) places models at the core of system and data engineering processes. In the context of research data, these models are typically expressed as schemas that define the structure and semantics of datasets.…

软件工程 · 计算机科学 2026-01-19 Felix Neubauer , Jürgen Pleiss , Benjamin Uekermann