Culture Browser . Photo Archive . Historic Streets . ULRS . Print Index . Parcel Mapping
Historic Philadelphia
through Photos, Parcels and Streets
R o b e r t C h e e t h a m, P r e s i d e n t
Avencia Incorporated
www.avencia.com
Avencia Background
• Software Development and System Design
• Founded in 2000
• GIS and web-based applications
• Spatial Modeling
Vertical Markets
• Historic and Cultural Asset Mapping
• Business Siting and Economic Development
• Geographic Business Intelligence
• Real Estate Analysis
• Natural Resources and Environmental Conservation
• Crime Analysis
Acknowledgments
Department of Records
GIS Services Group
Mural Arts Program
Cartographic Modeling Lab
Foundations
PHMC
Jefferson Moak (NARA)
PACSCL
ESRI
Six Projects
Parcel Mapping
Photo Archives
Print Index
Historic Streets Index
Unified Land Record System (ULRS)
Culture Browser
Six Memos for the GeoHistory Project
Simple Metadata
Geographic and Temporal Metadata
Uncertainty
Change Happens
User Interfaces
Balance Gain with Loss
Parcel Mapping
Photo Archive Project
Print Index
Historic Street Name Index
Unified Land Record System (ULRS)
Q. ULRS. What is it?
Accurate Geocoding
Address Standardization
Common Development Platform
Cross-Referenced Agency Data
Eliminate Duplicate Effort
BRT Tax Accounts
LNI Building Permits
LNI Dang. Bldgs.
Revenue Tax Accounts
Errors
Scrubbing
Timekeeping
Parcels
Street Centerline
Publications
Master Address
Blockfaces
Curb Lines
Parcels
Tax Accounts
Addresses
Agency Data
(Addresses)
Agency X
DOR
Internal
Applications
Master Address,
Relational Indexes
BRT
+
Agency
Relational Index
ULRS
Web Services,
Applications
Q. How do others interact with the system?
GIS Warehouse
Culture Browser
Pocket Culture Browser
• Location-based search or cultural resources
• Minimal software requirements
• Leverage Philly WiFi Initiative
• Administrative Data Maintenance Module
• Pilot – 3 data sets
• Murals
• Historic Photos
• Historic Markers
6 Memos for a GeoHistory Project
1. Simple Metadata
title
creator
subject
description
publisher
contributor
date
type
format
identifier
source
language
2. Geographic/Temporal Metadata
Point X/Y
Envelope MinX/MaxX/MinY/MaxY
Target X/Y
Location Description
Coordinate Source
Spatial Reference ID
Creation Date
Update Date
Capture Date
3. Uncertainty
Geographic Uncertainty
Temporal Uncertainty
4. Change Happens – let’s plan for it
URL-based interfaces to access data
Open interfaces
Simple data structures
5. User Interfaces
6. Balancing Gain with Loss
6 ½) Governance, Funding and Sustainability
Culture Browser . Photo Archive . Historic Streets . ULRS . Print Index . Parcel Mapping
Historic Philadelphia
through Photos, Parcels and Streets
R o b e r t C h e e t h a m, P r e s i d e n t
Avencia Incorporated
www.avencia.com