EAS:San Francisco’s

Enterprise Addressing System

COITApril 14, 2011

Enterprise Addressing System

Enterprise Addressing System

Committee on Information Technology

Department of Technology

San Francisco Enterprise GIS

Program

COIT Funded Initiative (MAD)

Department of Building Inspection

San Francisco Enterprise GIS

Program

Spatial Data for the Enterprise(Imagery, Demographic Data)

Enterprise License Agreements(Esri, Pictometry)

Enterprise Platform for Services(VMware, ArcGIS Server)

Enterprise Addressing System

Why does the City need EAS?

• Multiple address databases used by City Departments

• Varying needs and uses • Varying formats• Varying quality• Addresses are critical

Current ad hoc situation leads to inefficiencies, confusion, lost time and effort.

EAS is …

• Focused solely on address management• Shared source of address information • Available across departments• Easy to use• To be integrated with DBI’s Address Verification

System (AVS) and permitting system

An address in San Franciscoper Federal, State Law and City Charter

Assessor/Recorder

Public Works

Assessor ParcelNumber (APN)

Street Name

Department ofBuilding Inspection

Address Number

634 Ashbury Street(APN: 1234 001)

Demo

eas.sfgov.org

Schedule

• EAS 1.0 (eas.sfgov.org)• Production environment on VMWare• Daily data loads• Open Source Project (code.google.com/p/eas)

• EAS 1.1• Integration with DBI systems• MOU/SLA between DT and DBI

• EAS 1.2 and beyond• Integration with other departments• Leverage development work of other municipalities• Add imagery, building footprints

Questions?

Supplemental Slides are below

Extract - Transform – Load Basemap Changes

ETL

app_db

map_db

Public Works

parcelsstreets

Assessor

parcel attributes

Enterprise GIS

transform

DBI ↔ EAS Integration

Web Services

EASlook up

change notification

DBI

Vmware Infrastructure

Data Model

Feature: Simple, Adequate Data Model

– parcel to address (many to many)• apartments• timeshares• multi-story• condos• tenants in common

– mailing address– status (official, provisional ...)

Feature: Address Lineage

Main Street

150150 152 154 156

change request

Feature: Address Point Tablestreet based geo-coding falls short

Main Street 198100

101 199

Add Constraint:point must be within a polygon