VIEWS / TSS Overview

End-to-end Air Quality Data and Decision Support VIEWS / TSS Vision End-to-end Air Quality Data and Decision Support Acquisition Import Unification Management Manipulation Retrieval Visualization Analysis Exploration Search Source Apportionment Modeling Assessment Interpretation Planning Controls Regulation Tracking

Integrated System Solution Chart

VIEWS / TSS Future Vision Goals and Development Plans Provide comprehensive comparison and analysis of monitored, modeled, and emissions data with an integrated suite of tools Enhance and expand decision support applications Enable providers to upload manage their own data & metadata Promote an open, extensible, service-oriented architecture Provide services, components, and tools to air quality developers Incorporate satellite and meteorological data Investigate climate change and epidemiological applications and perspectives Facilitate collaboration and development between organizations

VIEWS / TSS Data Import

VIEWS / TSS Database Architecture OLTP: Functions as the “back-end” database Fully relational and in 3rd normal form Used for data import, validation, and management Technologies: Microsoft SQL Server Data Warehouse Generation System: Extracts data from the OLTP De-normalizes and transforms data Loads data into the Data Warehouse Builds table indexes Archives “snapshots” of the database Technologies: VB, stored procedures Data Warehouse: Functions as the “front-end” database Uses a de-normalized “star schema” Used for querying and archiving data Automatically generated from the OLTP Technologies: Microsoft SQL Server 6

VIEWS / TSS Page Architecture Modified: 11/10/2007