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.

1 views • 17 slides

Explore the concept of Coordinated Spatial Reuse (C-SR) in IEEE 802.11 networks, a scheme where multiple access points (APs) transmit data simultaneously to reduce interference and enhance resource utilization. Learn about the definition, benefits, and necessary components for successful C-SR operat

0 views • 15 slides

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

0 views • 9 slides

This contribution explores Coordinated Spatial Reuse (Co-SR) as a potential multi-AP feature for the IEEE 802.11bn standard. It discusses the trade-offs, proposes a method for downlink channel access, and evaluates its impact on goodput and packet delivery delay. The background highlights the gains

1 views • 17 slides

Evaluation of power control schemes for Coordinated Spatial Reuse (CSR) in IEEE 802.11-24, comparing benefits with and without power control. Results show gains in throughput and SINR with different CSR schemes and considerations for shared access points. Concerns and insights shared on the effectiv

6 views • 24 slides

Learn about managing gridded data in HEC-DSSVue, including how grids represent spatial data, storing data in DSS, naming conventions, tools for manipulation, and more. Explore the importance of grids in hydrologic modeling and the application of spatial data in HEC-HMS and HEC-RAS.

4 views • 42 slides

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

3 views • 35 slides

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

6 views • 42 slides

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

3 views • 19 slides

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

1 views • 20 slides

The background paper explores the relevance of integrated development plans for achieving sustainable local development in Zambia. It highlights weaknesses in national development plans, development coordinating committees at provincial and district levels, and district-level spatial plans. The intr

0 views • 13 slides

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

0 views • 40 slides

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

1 views • 30 slides

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

0 views • 4 slides

Learn how to find places on a map using grid references. Discover how to identify map symbols and determine accurate six-figure grid references. Follow step-by-step guidance to pinpoint locations with precision on maps. Enhance your mapping skills and boost your navigational expertise efficiently.

0 views • 18 slides

Learn how to find places on a map using grid references, the importance of knowing exact locations on a map, and practice identifying 4-figure grid references independently. Discover how grids on maps help in quickly locating places and memorize the process with the mnemonic "Along the corridor and

0 views • 9 slides

Spatial data management research focuses on designing robust spatial data structures, inventing new models, constructing query languages, and optimizing query processing. This study explores the estimation of query performance and selectivity, specifically in R-trees, for efficient access planning.

1 views • 32 slides

The spatial and temporal distribution of temperatures plays a crucial role in determining weather patterns, climates, vegetation zones, and wildlife habitats. Factors such as latitude, altitude, distance from the coast, and prevailing winds influence the distribution of temperature both horizontally

2 views • 5 slides

ArcGIS Network Analyst offers tools for complex routing problems using a unique network model. Learn about networks, elements, attributes, evaluators, and more to enhance spatial analysis capabilities with ArcGIS.

1 views • 11 slides

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

1 views • 21 slides

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

3 views • 13 slides

Cadastral mapping involves geodetic control networks, parcel identification, and various overlays like zoning and floodplains. City maps are categorized into base, derived, and thematic maps. Data sources include spatial and non-spatial data for property assessment. Layers in cadastral maps cover to

1 views • 16 slides

This collection of references provides valuable insights into the incidence, aetiology, and management of mastitis on dairy farms in the UK. The references cover various aspects of mastitis, including antimicrobial use, vaccination efficacy, dry period infections, and herd management practices. The

1 views • 5 slides

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

8 views • 23 slides

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.

0 views • 27 slides

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

4 views • 16 slides

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

1 views • 32 slides

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

0 views • 12 slides

Learn about grid references on maps, including northings and eastings, how to find specific locations using grid references, and practice exercises with answers provided. Enhance your map-reading skills with this informative guide.

1 views • 7 slides

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.

1 views • 12 slides

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

0 views • 11 slides

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

3 views • 15 slides

Voltage references provide stable output voltages unaffected by variations in supply voltage, temperature, and process errors. This summary delves into the principles of band-gap voltage references and their crucial role in creating precise control voltages for ADCs, DACs, and various other applicat

1 views • 14 slides

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

3 views • 9 slides

Intertextual references are elements in texts, including films and TV programs, that connect to other texts, shaping viewers' understanding. These references can be subtle or deliberate, adding layers of meaning and intellectual pleasure for viewers. While sighted audiences can easily recognize thes

0 views • 37 slides

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

0 views • 9 slides

The Year 9 Geography homework booklet focuses on the topic of coasts, emphasizing grid references and mapping skills. Students are tasked with identifying grid references for shapes, drawing specific shapes on grids, and demonstrating understanding of 4 and 6 figure grid references. Additionally, in

0 views • 13 slides

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

0 views • 38 slides

In Rust programming, references play a crucial role in ensuring memory safety and concurrency. Understanding concepts like owning pointers, shared vs. mutable access, working with references, and reference handling is vital for developing robust and secure system software in Rust. The language enfor

0 views • 9 slides

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

0 views • 25 slides