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Related papers: Evaluating Geospatial RDF stores Using the Benchma…

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We propose a novel approach to designing RDF-stores with the goal of improving the consistency and predictability of query performance. When designing these systems, three properties are commonly desired: support for the full range of…

Databases · Computer Science 2022-09-13 Masoud Salehpour , Joseph G. Davis

Three-dimensional geospatial analysis is critical for applications in urban planning, climate adaptation, and environmental assessment. However, current methodologies depend on costly, specialized sensors, such as LiDAR and multispectral…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Mai Tsujimoto , Junjue Wang , Weihao Xuan , Naoto Yokoya

Semantic Web technology has successfully facilitated many RDF models with rich data representation methods. It also has the potential ability to represent and store multimodal knowledge bases such as multimodal scene graphs. However, most…

Databases · Computer Science 2022-09-08 Yanzeng Li , Zilong Zheng , Wenjuan Han , Lei Zou

Super-resolution (SR) techniques have made major advances in reconstructing high-resolution images from low-resolution inputs. The increased resolution provides visual enhancement and utility for monitoring tasks. In particular, SR has been…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Zhili Li , Kangyang Chai , Zhihao Wang , Xiaowei Jia , Yanhua Li , Gengchen Mai , Sergii Skakun , Dinesh Manocha , Yiqun Xie

Efficient execution of SPARQL queries over large RDF datasets is a topic of considerable interest due to increased use of RDF to encode data. Most of this work has followed either relational or graph-based approaches. In this paper, we…

Databases · Computer Science 2021-06-29 Yuedan Chen , M. Tamer Özsu , Guoqing Xiao , Zhuo Tang , Kenli Li

We propose techniques for processing SPARQL queries over a large RDF graph in a distributed environment. We adopt a "partial evaluation and assembly" framework. Answering a SPARQL query Q is equivalent to finding subgraph matches of the…

Databases · Computer Science 2016-03-22 Peng Peng , Lei Zou , M. Tamer Özsu , Lei Chen , Dongyan Zhao

Resource Description Framework (RDF) has been widely used to represent information on the web, while SPARQL is a standard query language to manipulate RDF data. Given a SPARQL query, there often exist many joins which are the bottlenecks of…

Databases · Computer Science 2018-07-23 Xiaowang Zhang , Mingyue Zhang , Peng Peng , Jiaming Song , Zhiyong Feng , Lei Zou

Geocoding systems are widely used in both scientific research for spatial analysis and everyday life through location-based services. The quality of geocoded data significantly impacts subsequent processes and applications, underscoring the…

Satellite remote sensing of trace gases such as carbon dioxide (CO$_2$) has increased our ability to observe and understand Earth's climate. However, these remote sensing data, specifically~Level 2 retrievals, tend to be irregular in space…

Applications · Statistics 2018-02-08 Andrew Zammit-Mangion , Noel Cressie , Clint Shumack

Vision-language models (VLMs) often struggle with geometric reasoning due to their limited perception of fundamental diagram elements. To tackle this challenge, we introduce GeoPerceive, a benchmark comprising diagram instances paired with…

Machine Learning · Computer Science 2026-02-27 Hao Yu , Shuning Jia , Guanghao Li , Wenhao Jiang , Chun Yuan

Geographic state machine replication (SMR) is a replication method in which replicas of a service are located on multiple continents to improve the fault tolerance of a general service. Nowadays, geographic SMR is easily realized using…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-10-12 Shota Numakura , Junya Nakamura , Ren Ohmura

The increasing availability of geospatial foundation models has the potential to transform remote sensing applications such as land cover classification, environmental monitoring, and change detection. Despite promising benchmark results,…

The adoption of Semantic Web technologies, and in particular the Open Data initiative, has contributed to the steady growth of the number of datasets and triples accessible on the Web. Most commonly, queries over RDF data are evaluated over…

Databases · Computer Science 2019-12-18 Gabriela Montoya , Ilkcan Keles , Katja Hose

Machine learning models increasingly map biological sequence-fitness landscapes to predict mutational effects. Effective evaluation of these models requires benchmarks curated from empirical data. Despite their impressive scales, existing…

Machine Learning · Computer Science 2025-10-30 Mingyu Huang , Shasha Zhou , Ke Li

High-quality labeled geospatial datasets are essential for extracting insights and understanding our planet. Unfortunately, these datasets often do not span the entire globe and are limited to certain geographic regions where data was…

Modeling and inferring spatial relationships and predicting missing values of environmental data are some of the main tasks of geospatial statisticians. These routine tasks are accomplished using multivariate geospatial models and the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-06 Mary Lai O. Salvaña , Sameh Abdulah , Huang Huang , Hatem Ltaief , Ying Sun , Marc G. Genton , David E. Keyes

Geospatial technologies are becoming increasingly essential in our world for a wide range of applications, including agriculture, urban planning, and disaster response. To help improve the applicability and performance of deep learning…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Matias Mendieta , Boran Han , Xingjian Shi , Yi Zhu , Chen Chen

Geospatial Foundation Models (GeoFMs) are transforming Earth Observation (EO), but evaluation lacks standardized protocols. GEO-Bench-2 addresses this with a comprehensive framework spanning classification, segmentation, regression, object…

As geospatial machine learning models and maps derived from their predictions are increasingly used for downstream analyses in science and policy, it is imperative to evaluate their accuracy and applicability. Geospatial machine learning…

Machine Learning · Computer Science 2023-04-03 Esther Rolf

Multimodal large language models (MLLMs) have exhibited remarkable performance in various visual tasks, yet still struggle with spatial reasoning. Recent efforts mitigate this by injecting geometric features from 3D foundation models, but…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Zhaochen Liu , Limeng Qiao , Guanglu Wan , Tingting Jiang