ANALYZING REAL ESTATE TRANSACTIONS A presentation by W H Inmon

There’s a lot going on in real estate today

And there’s a pot of gold to be made by understanding the marketplace

The secret to understanding the market place is understanding transactions Sales Financial transactions Loans, loan rates Consumers

Recording by county of a deed of trust

County recording of a loan

Inline contextualization Taxonomy/ontology resolution Custom variable formatting The three primary types of transformations done In order to turn raw text into a standard data base

The general architecture taxonomy visualization textual ETL unstructured data Standard data base real estate transactions Oracle DB2 Hadoop SQL Server Teradata Netezza 50,000,000,000 records Tableau SAS Qlikview Cognos Excel Many others The general architecture

The output is a data base in a normalized structure

Record id Value of interest Context descriptor

recorder residence lien filed city state

recorder residence lien filed city state

Query - Find all sales in Arizona for month of May Find all commercial sales less than $500,000 for 1st quarter Find all loans granted in June where rate is less than 3.75% You are only limited by your imagination

Once you have your data in a data base and in a relational taxonomy visualization textual ETL unstructured data statistical analysis customer response Tableau Once you have your data in a data base and in a relational structure, you can analyze it any way you want

With a data base in a normalized structure, you can ask all sorts of taxonomy With a data base in a normalized structure, you can ask all sorts of questions - textual ETL unstructured data Real estate transactions How many sales were made in Arizona this month? How many sales were between $250,000 and $1,000,000? How many commercial sales were there? What is the loan to equity ratio? And many, many more questions

taxonomy Two approaches to doing the same thing automated manual textual ETL unstructured data manual unstructured data manually

Cheap Fast Accurate Textual ETL automated Expensive Slow Error prone manual

Now you can go from textual data to meaningful analysis taxonomy visualization textual ETL unstructured data statistical analysis Tableau Now you can go from textual data to meaningful analysis

taxonomy visualization Now you are set for the “AHA” moment!! textual ETL unstructured data Now you are set for the “AHA” moment!!