'Spatial databases' diaporamas de présentation

Mining Complex Types of Data

Mining Complex Types of Data. 2004/10/29. Outline. 1. Generalization of Structured Data 2. Mining Spatial Databases 3. Mining Time-Series and Sequence Data 4. Mining Text Databases 5. Mining the World Wide Web. 1. Generalization of Structured Data.

1.76k views • 104 slides

Geographic Information Systems Applications in Natural Resource Management

Geographic Information Systems Applications in Natural Resource Management. Chapter 2 GIS Databases: Map Projections, Structures, and Scale. Michael G. Wing & Pete Bettinger. Chapter 2 Objectives. Definition of a map projection, and the components that comprise a projection

1.9k views • 77 slides

Before We Start

Before We Start. I am not here to persuade you about the usefulness or limitations of Neogeography or User Generated Content I am here to share my views on issues relating to the topic of spatial data quality and neogeography

615 views • 52 slides

Introduction to Spatial Databases

Introduction to Spatial Databases. Donghui Zhang CCIS Northeastern University. What is spatial database?. A database system that is optimized to store and query spatial objects: Point: a hotel, a car Line: a road segment Polygon: landmarks, layout of VLSI. Road Network.

595 views • 34 slides

Reverse Furthest Neighbors in Spatial Databases

Reverse Furthest Neighbors in Spatial Databases. Bin Yao , Feifei Li, Piyush Kumar Florida State University, USA. A Novel Query Type. Reverse Furthest Neighbors (RFN) Given a point q and a data set P, find the set of points in P that take q as their furthest neighbor Two versions :

499 views • 33 slides

Elizabeth Sayed Elizabeth Stoltzfus December 4, 2002

Project 2 Presentation. Spatial Databases GIS Case Studies. Elizabeth Sayed Elizabeth Stoltzfus December 4, 2002. UC Berkeley: IEOR 215. Agenda. Spatial Database Basics Geographic Information Systems (GIS) Basics Case Studies. Spatial Database Basics. Common applications.

454 views • 29 slides

Hypersphere Dominance: An Optimal Approach

Hypersphere Dominance: An Optimal Approach. Cheng Long , Raymond Chi-Wing Wong, Bin Zhang, Min Xie The Hong Kong University of Science and Technology Prepared by Cheng Long Presented by Cheng Long 24 June, 2014. Hyperspheres. A hypersphere in a d-dimensional space (center, radius )

478 views • 27 slides

Software Options for Operational GIS in Professional Environments

Software Options for Operational GIS in Professional Environments . Summary. Major Software Platforms Elements of individual Platforms Fully Integrative Software Platforms Predominantly Image Analysis Software Platforms Issues to be considered. Image Analysis ERDAS Imagine ( Leica )

354 views • 23 slides

Cartographic Database Optimizing TIGER data for Mapping

Cartographic Database Optimizing TIGER data for Mapping Connie Beard Chief, Cartographic Products Branch. Our Spatial Databases. MAF/TIGER Database (~2 TB) Benchmark Database (~1.6 TB) Product Database (~364 GB) Cartographic Database (~75 GB).

374 views • 23 slides

A PARALLEL FORMULATION OF THE SPATIAL AUTO-REGRESSION MODEL FOR MINING LARGE GEO-SPATIAL DATASETS

HPDM 2004 Workshop at SIAM Data Mining Conference Bar?? M. Kazar, Shashi Shekhar, David J. Lilja, Daniel Boley Army High Performance Computing and Research Center (AHPCRC) Minnesota Supercomputing Institute (MSI) Digital Technology Center (DTC) University of Minnesota 04.24.2004.

379 views • 20 slides

Spatial Data Analysis

Spatial Data Analysis. Yaji Sripada. In this lecture you learn. What is spatial data and their special characteristics? Spatial data analysis tasks and techniques Applying region growing approaches to segmentation of area data. Introduction.

472 views • 19 slides

Spatial Databases - Representation

Spatial Databases - Representation. Spring, 2008 Ki-Joune Li. Spatial Databases. Entity-Based Databases vs. Field-Based Databases Entity-Based Databases Set of Spatial Objects Non-Spatial Attributes for each object Field-Based Databases No clear boundary of an object

307 views • 17 slides

CSci 8715 :Spatial Databases

CSci 8715 :Spatial Databases. Spatial Data Warehouses : A Survey. Group 4: Nipun Garg Surabhi Mithal http://www-users.cs.umn.edu/~smithal/. Motivation . Need For Spatial DW. Research literature scattered . Need for effective consolidation.

226 views • 14 slides

Spatial indexing

Spatial indexing. PAMs. PAMs. Point Access Methods Multidimensional Hashing: Grid File Exponential growth of the directory Hierarchical methods: kd-tree based Storing in external memory is tricky Space Filling Curves: Z-ordering

353 views • 13 slides

Spatial Databases

and Metadata. Spatial Databases. ted.habermann@noaa.gov. Spatial Database Foundation. Spatial Operators.

290 views • 13 slides

Local GIS Web Applications GeoEd 2010 Conference

Local GIS Web Applications GeoEd 2010 Conference. Curt Bynum, GISP LOJIC GIS Coordinator 502-540-6121 bynum@lojic.org. What is LOJIC ? Louisville/Jefferson County Information Consortium.

244 views • 13 slides

Jason Andersen, MGIS Sami Eria , PhD Geography Department of Geography University of Minnesota

257 views • 13 slides

Some European Initiatives for GIS Database Creation and Mapping

Some European Initiatives for GIS Database Creation and Mapping. Marek Baranowski UNEP/GRID-Warsaw. GRID-Warsaw Overview. over 8 years of activity (est. 17.09. 1991) 12 employees: geographers (8) agriculture engineer (1) administration & accounting (3) homepage: www.gridw .pl.

219 views • 9 slides

Global Positioning Systems - GPS

Global Positioning Systems - GPS. Satellite positioning. Geographic Information Systems - GIS. Computer-aided mapping Spatial databases. Archaeology. Site Survey Test Excavation Artifact Recovery.

162 views • 3 slides

Parallel Geospatial Data Management for Multi-Scale Environmental Data Analysis on GPUs

Cells. Polygon vertices. (C) Outside. (B) Inside. V. T. Temporal Trends. ROIs. High-End Computing Facility. C. B. A. Thread Block. Parallel Geospatial Data Management for Multi-Scale Environmental Data Analysis on GPUs.

158 views • 1 slides