WISK: A Workload-aware Learned Index for Spatial Keyword Queries
WISK, a workload-aware learned index that combines spatial and keyword queries to efficiently retrieve objects. It integrates spatial and textual indexes and considers query workload information.
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Spatial Planning Development Priorities in Free State: Aligning with National Framework
The National Development Framework (NSDF) guides the Free State's spatial planning focusing on urban networks, resource production regions, ecological infrastructure, and connecting infrastructure. Key areas like Mangaung and Sasolburg are designated for specific development purposes. The plan aims
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Challenges and Progress in Chilean Infrastructure Development
The challenges of Public-Private Partnerships (PPPs) in Chile within the framework of best practices and international standards are discussed, highlighting the need for long-term infrastructure planning and enhanced governance. The 2017 OECD Infrastructure Governance Review identified deficiencies
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fMRI Coregistration and Spatial Normalization Methods
fMRI data analysis involves coregistration and spatial normalization to align functional and structural images, reduce variability, and prepare data for statistical analysis. Coregistration aligns images from different modalities within subjects, while spatial normalization achieves precise anatomic
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Coregistration and Spatial Normalization in fMRI Analysis
Coregistration and Spatial Normalization are essential steps in fMRI data preprocessing to ensure accurate alignment of functional and structural images for further analysis. Coregistration involves aligning images from different modalities within the same individual, while spatial normalization aim
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Localised Adaptive Spatial-Temporal Graph Neural Network
This paper introduces the Localised Adaptive Spatial-Temporal Graph Neural Network model, focusing on the importance of spatial-temporal data modeling in graph structures. The challenges of balancing spatial and temporal dependencies for accurate inference are addressed, along with the use of distri
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Introduction to Spatial Data Mining: Discovering Patterns in Large Datasets
Spatial data mining involves uncovering valuable patterns from extensive spatial datasets, offering insights into historical events, environmental phenomena, and predictive analytics. Examples range from analyzing disease outbreaks to predicting habitat suitability for endangered species. The applic
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Advanced Techniques in 3D Scene Analysis for Spatial Understanding
Cutting-edge research in 3D scene analysis focuses on sequenced predictions over points and regions for comprehensive spatial understanding. The approach involves contextual classification, overcoming limitations of classical graphical models through innovative inference machines that prioritize tra
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Understanding Spatial Database Systems: An Overview
This presentation by Xiaozhi Yu introduces the fundamentals of spatial database systems, covering topics such as spatial data types, relationships, system architecture, modeling, and organizing underlying spaces. It delves into the importance of integrating geometry into DBMS data models, spatial in
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Infrastructure Development Bank of Zimbabwe (IDBZ) - Financing Zimbabwe's Infrastructure Needs
The presentation by the Infrastructure Development Bank of Zimbabwe (IDBZ) at the CIFOZ Congress 2018 outlines the critical infrastructure sectors, funding requirements, and the funding gap faced by Zimbabwe. IDBZ is mandated to facilitate infrastructure development in key sectors like ICT, housing,
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Spatial Distortion Correction in EPI Sequences: Field Mapping Examples
Spatial distortion artifacts in EPI sequences (BOLD or DWI) due to slow sampling rates in the phase encoding direction can be corrected using B0/spatial field mapping techniques. This correction requires obtaining field maps under the same B0 shimming conditions and with identical FoV and adjustment
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Understanding Spatial Analysis in GIS for Effective Decision-Making
Spatial analysis in GIS involves modeling geographic problems, processing data, and exploring results to understand spatial relationships, patterns, and suitability for various purposes. GIS tools offer unique capabilities for handling geographically referenced data, data entry, storage, manipulatio
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Understanding Spatial Referencing Systems for Mapping
Spatial reference systems play a crucial role in defining geographic parameters and coordinate systems for mapping. They consist of components like orientation, latitude, longitude, and elevation, which help in representing spatial properties on maps. Reference surfaces such as the Geoid and ellipso
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Understanding IEEE 802.11-20/0410r4 Coordinated Spatial Reuse Procedure
This document presents the Coordinated Spatial Reuse (CSR) procedure in IEEE 802.11-20/0410r4, focusing on the transmission schemes and necessary information for effective spatial reuse. It outlines the topology of CSR environments, acquisition of information for CSR, CSR capability announcement by
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Spatial Analysis & Modeling for Spatial Planning Training in Maputo, Mozambique
Explore spatial analysis techniques for efficient route planning, site selection, pattern identification, and value prediction in the context of spatial planning. Learn about surface modeling, relationships among features, and the importance of spatial modeling in addressing geographical problems.
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Understanding the Components of GIS for Spatial Planning
A geographic information system (GIS) is a powerful tool for capturing, storing, analyzing, and presenting spatial data. This training program explores the fundamentals of GIS, including software and hardware components, data considerations, and the importance of people and policies in utilizing GIS
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GIS Data Models for Spatial Planning Training in Maputo, Mozambique
Explore the concepts of GIS data models including vector vs. raster, spatial relationships, spatial operations, and representation of real-world entities in a spatial database. Understand how spatial data models are used to manipulate spatially-referenced information and define the spatial location
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Infrastructure Prioritization Framework and Challenges
The Infrastructure Prioritization Framework (IPF) is a tool designed to support the infrastructure planning process, aiming to address challenges such as infrastructure gaps, limited resources, and technical capacity constraints. The tool integrates social, environmental, and financial criteria to h
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Understanding Spatial Autocorrelation in Geostatistical Analysis
Explore the concept of spatial autocorrelation, its implications in geostatistical analysis, and the importance of detecting and interpreting it correctly. Learn about auto-correlation, signal components, correlation significance, and measuring autocorrelation using tools like Moran's I. Gain insigh
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Future Directions for GIS in Samoa
Enhancing GIS practices in Samoa involves establishing a Samoa GIS User Group, improving spatial data management, developing a national spatial data infrastructure framework, and implementing GIS applications in various sectors like emergency response, public access, and natural resource management.
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Spatial Relation Switching Requirements in 3GPP NR RAN Plenary Meeting
The document discusses various spatial relation switching requirements for uplink scenarios in the 3GPP NR RAN Plenary Meeting. It covers agreement points related to UL SRS, PUCCH, P-SRS, and DL-RS, defining delay requirements and known conditions for spatial relation switching. The agreements provi
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Spatial Stream Allocation in IEEE 802.11-20 Trigger Frames
The document discusses spatial stream allocation in IEEE 802.11-20 trigger frames, specifically focusing on the SS Allocation subfield. It explains how trigger frames allocate resources for TB PPDU transmissions and solicit User Info fields, detailing the RU Allocation and SS Allocation subfields. T
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Understanding Temporal and Spatial Information Models
This content delves into the intricacies of temporal and spatial information models, covering concepts such as existence, presence, and spatiotemporal relationships. It explores how entities are identified, events are witnessed, and durations are defined within these models. The interplay between ti
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Understanding Spatial Extremes: Complex Time Methods in Hydro-Atmospheric Dynamics
This study explores the use of complex time methods and chameleon scalar fields in understanding and modeling spatial extremes in hydrological and atmospheric systems. By transforming Lagrangian processes and introducing chameleon scalar fields, the research unveils new insights into the mechanism g
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Coordinated Spatial Nulling (C-SN) Simulations in IEEE 802.11-24/0012r0
The document discusses the concept of Coordinated Spatial Nulling (C-SN) in IEEE 802.11-24/0012r0, focusing on spatial nulling feedback, synchronization needs, advantages of partial nulling, and comparison of half-coordinated versus fully coordinated scenarios. Simulation results are presented, anal
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Understanding Spatial Racism and Its Role in the Flint Water Crisis
Professor Peter J. Hammer's testimony before the Michigan Civil Rights Commission sheds light on the historical lineage of spatial racism in Flint and Genesee County. The interaction between beliefs and institutions over time has shaped racial oppression, from slavery to current issues such as the F
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Initiating a Lunar Planetary Spatial Data Infrastructure (PSDI) by MAPSIT Steering Committee
MAPSIT, led by Trent Hare of USGS, advocates for creating a Lunar PSDI to enhance spatial data infrastructure in planetary science. The committee highlights the importance of foundational lunar data products and ongoing efforts for Europa and the Moon. Collaboration with various entities is emphasiz
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Enhancing Spatial Data Analysis in QGIS
Explore the integration of relational databases with QGIS to facilitate efficient spatial data analysis. Discover the importance of recognizing spatial relationships within data sets and the solutions to enhance QGIS for relational datasets. Overcome challenges and delve into the intersection and su
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Introduction to Terraform for Infrastructure Automation
Terraform is a powerful tool used for building, changing, and versioning infrastructure efficiently and safely. It operates based on Infrastructure as Code principles, allowing for versioning of infrastructure configurations like any other code. With features like Execution Plans, Resource Graph, an
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Marine Spatial Data Infrastructures Report Overview
The report provides insights into the activities and discussions at the EAHC-MSDIWG1 meeting held in Busan, ROK. It outlines the key agenda items, country reports on national MSDI, membership details, importance of MSDI, and trends in marine spatial data. The report emphasizes the significance of ma
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Marine Cadastre as an Application of MSDI
Marine Cadastre is discussed as an application of Marine Spatial Data Infrastructure (MSDI) in this content. It explores what an MSDI could and should be, emphasizing spatial data management systems' crucial role in providing access to information and analysis products. The discussion covers the pil
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Analysis of MIMO for IMMW Transmission in IEEE 802.11-24
Proposal discusses the suitability of MIMO for IMMW transmission under different scenarios. The analysis focuses on the number of spatial streams based on channel rank and quality, recommending dual-polarization for LOS paths supporting 2 spatial streams and spatial separation for larger devices sup
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Spatial Multi-Attribute Decision Analysis with Incomplete Preference Information
In this study by Mikko Harju, Juuso Liesi, and Kai Virtanen from Aalto University, the focus is on spatial decision analysis for scenarios where decision alternatives have varying consequences across a geographical region. The research delves into the significance of spatial value functions in repre
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Improving First Nation Infrastructure and Housing through Fiscal Management Act Model
The presentation at the AFN National Housing and Infrastructure Forum in October 2017 highlighted the challenges faced by First Nation communities in developing sustainable infrastructure. The current system is inefficient, prompting the exploration of alternatives like the First Nations Fiscal Mana
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Advancements in iMarine Infrastructure for Biology Research
Expanding the iMarine infrastructure is a significant initiative focusing on maritime and freshwater biology research. Led by Pasquale Pagano, the project aims to establish a data infrastructure supporting the Ecosystem Approach to Fisheries Management. By harmonizing data and utilizing niche modeli
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ICAR KRISHI Geo-Portal: Spatial Agricultural Research Information
ICAR KRISHI Geo-Portal is a digital platform aiming to facilitate spatial agricultural data generation, compilation, visualization, and analysis. It hosts spatial databases, provides map services, and allows data sharing across platforms. The portal, developed using open-source technologies, offers
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Understanding Spatial Relationships in Data Modeling
Explore the concept of spatial relationships within data modeling, focusing on the fully-articulated paths encompassing E4 Period, E53 Place, and E18 Physical Thing. Delve into the implications of properties like P161 has spatial projection and P89 falls within, examining how places are uniquely def
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Understanding Spatial Continuity in Geostatistics
Explore the concept of spatial continuity in geostatistics through descriptive analysis of sample data, variograms, covariance functions, and omnidirectional variograms. Learn about terminologies such as range, sill, and nugget effect, and the importance of omnidirectional variograms in capturing ov
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Digital Infrastructure in India: Creating Pathways for Economic Growth
Digital infrastructure in India plays a crucial role in driving economic growth and development. The focus on creating a national digital grid and catalyzing investments in digital infrastructure is essential for the country's digital transformation. Improving digital infrastructure can unlock signi
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Understanding State and Local Public Infrastructure Finance
Exploring the significance of state and local public infrastructure finance, this lecture discusses the need for investment in long-lived public assets like roads, bridges, water systems, and energy production. It highlights the urgency to address the deteriorating infrastructure in the US and the i
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