R o b e r t C h e e t h a m, P r e s i d e n t A v e n c i a I n c o r p o r a t e d w w w. a v e n c i a. c o m Culture Browser. Photo Archive. Historic Streets. ULRS. Print Index. Parcel Mapping Historic Philadelphia through Photos, Parcels and Streets

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 StandardizationCommon Development Platform Eliminate Duplicate Effort Cross-Referenced Agency Data

ParcelsMaster AddressStreet CenterlineCurb Lines BRT Tax AccountsLNI Building PermitsLNI Dang. Bldgs.Revenue Tax Accounts Blockfaces Scrubbing Errors Timekeeping Publications

ULRS GIS Warehouse DOR BRT Agency X Web Services, Applications Parcels Tax Accounts Addresses Agency Data (Addresses) Internal Applications Master Address, Relational Indexes Agency Relational Index + Q. How do others interact with the system?

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

R o b e r t C h e e t h a m, P r e s i d e n t A v e n c i a I n c o r p o r a t e d w w w. a v e n c i a. c o m Culture Browser. Photo Archive. Historic Streets. ULRS. Print Index. Parcel Mapping Historic Philadelphia through Photos, Parcels and Streets