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Understanding Microdata for Enhanced Cemetery Data Access in Dallas County

This presentation by Tony Hanson informs users about microdata and its significance in enhancing cemetery records for Dallas County. Learn how microdata helps organize and tag information to be more meaningful for search engines and users alike. Discover how to ensure data is accessible via web crawlers and browsers, making historical and genealogical information easier to find. The goal is to create web pages that serve natural language interpreters while maintaining data integrity and security. Dive into the details of structured data using the schema.org standards.

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Understanding Microdata for Enhanced Cemetery Data Access in Dallas County

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Presentation Transcript

  1. Microdata for Dallas County Historical & Genealogical Cemetery Data Tony Hanson Webmaster

  2. Presentation & Related Info http://dallasgenealogy.org/DigitalFrontiers

  3. What You Will Learn What is Microdata HowMicrodata is used WhyMicrodata is significant

  4. The Problem • The goal of a well designed web page is to make information useful to natural language interpreters • a.k.a. ‘People’ • This was the original goal/purpose of HTML

  5. There Are Several Classes of Users • Browsers • Web Crawlers • Where our site appears on the results list depends a lot on what the web crawlers find • Organizing and tagging data in a way that is meaningful to the search engine is very important… • Web based applications that use your data

  6. HTML As Obfuscator • ‘Reverse Engineering’ the structure and relationships on the original data from HTML is difficult... • Maybe even impossible

  7. Data Source: Relational Database Table

  8. Resulting Page

  9. HTML

  10. Data Structure: Lost In Translation…

  11. Sharing Data & Structure Possible using a variety of methods Most are programmer intensive to create Each one is unique May expose your system to security risks Has little (or nothing) to do with the actual web page

  12. Two Views Of The Data Browser/Crawler View API View

  13. Microdata A vocabulary and syntax used to extend HTML with additional machine readablesemantics

  14. Microdata Attributes • Extension to existing HTML & CSS markup techniques • Machine readable • Usually not seen by the Browser user • Controlled Vocabulary (defines the scope) • Information identified as Property-Value pairs

  15. How Does Microdata Help? • Through the use of additional tags, it is possible to identify the specific meaning for each item of information • These tags do not alter the way the information is displayed by the browser • However, they do provide a great deal additional information that can be used by the browser, the web crawlers and other applications

  16. Launched in June 2011 by Bing, Google and Yahoo • Yandex– Russia’s largest search engine – has since signed onto the effort • Goal: To create and support a common set of schemas for structured data markup on web pages

  17. The Type Hierarchy • Thing • CreativeWork • Event • MedicalEntity • Organization • Person • Place • Product

  18. Type Description Property

  19. Type Description Property

  20. This is an Event

  21. Location

  22. US Mail Address

  23. For Sale

  24. Metadata Is Available To All Users Web Crawlers have more meaningful data Web based applications can userstand the structure and interrelationships of your data Browsers can do some useful things with it too…

  25. Chrome • Google’s Chrome Browser supports extensions • People Inspector • Senses when a page has information tagged using the schema.org People Schema • Allows the user to launch queries to several web sites

  26. DGS Cemetery Database • Data gathered by volunteers for 13 years • Sources: • Cemetery Records • Tomb Stones • Other Records • Nearly 35,000 records • Has been tagged with schema.org schema’s

  27. Summary Microdata provides semantic meaning for your web data This makes your data more meaningful to crawlers, browsers and other web services schema.org appears to be the dominant standard for the major search engines

  28. Thank You!http://dallasgenealogy.org/DigitalFrontiers Tony Hanson Webmaster

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