Girl Geek Dinner YQL Pratibha Gannavarapu & Allan Shone Yahoo!7 17 th June 2009

Pratibha Gannavarapu & Allan Shone

Yahoo!7

17 th June 2009

Pratibha Gannavarapu Technical yahoo Who Am I?

The best way to mashup data from the web! What am I doing here tonight?

There is abundant data on the web! Web pages Web services RSS CSV Good Thing About Web!

There is abundant data on the web!

Web pages

Web services

RSS

CSV

Problem! Locating the right URLs for accessing them Going through API documentation

Locating the right URLs for accessing them

Going through API documentation

Need easier way to access this data! Pipes YQL Solution!

Need easier way to access this data!

Pipes

YQL

Pipes is an online service that lets you remix popular feed types and create data mashups using a visual editor There are several modules to fetch the data and other mechanisms such as sort, filtering etc. Once a pipe is built, it can be accessed and build your app based on it. Pipes!

Pipes is an online service that lets you remix popular feed types and create data mashups using a visual editor

There are several modules to fetch the data and other mechanisms such as sort, filtering etc.

Once a pipe is built, it can be accessed and build your app based on it.

RESTful webservice call Select {what} from {service} where {condition} Returns XML or JSON What is YQL?

RESTful webservice call

Select {what} from {service} where {condition}

Returns XML or JSON

select * from flickr.photos.search where text="Geek Girls Dinner Sydney Yahoo" limit 3 An Example

REST query format http://query.yahooapis.com/v1/public/yql?q={QUERY}&format={FORMAT} Format xml or json Using from within a script!

REST query format

http://query.yahooapis.com/v1/public/yql?q={QUERY}&format={FORMAT}

Format xml or json

http://developer.yahoo.com/yql/console/ Lets try our Flickr example here Console!

show tables; What data is available?

No Open Tables Create and use your own table definitions Enables YQL to bind to any data source through the SQL-like syntax and fetch data. Only Y! data??

No

Open Tables

Create and use your own table definitions

Enables YQL to bind to any data source through the SQL-like syntax and fetch data.

XML file with the following info: Authentication and Security Options Sample Query YQL Data Structure Pagination Options Defining Open Data Tables

XML file with the following info:

Authentication and Security Options

Sample Query

YQL Data Structure

Pagination Options

http://www.datatables.org/flickr/flickr.auth.frob.xml Example definition

Using IN select * from search.termextract where context in ( select description from rss where url='http://stills360.com/blog/feed/' limit 3 ) Console More Examples

Using IN

select * from search.termextract where context in ( select description from rss where url='http://stills360.com/blog/feed/' limit 3 )

Console

select * from html where url=‘http://www.news.com.au/' and xpath='//h3/a’ limit 5 Console RSS Feeds select * from rss where url=“ http://stills360.com/blog/feed ” More examples

select * from html where url=‘http://www.news.com.au/' and xpath='//h3/a’ limit 5

Console

RSS Feeds

select * from rss where url=“ http://stills360.com/blog/feed ”

http://stills360.com/demos/yql.html An example!

Makes data accessing more easier More easier for developers Access Y! data Add your own open tables select * from {atom, csv, html, rss, feed, table } In short it is select * from Internet Summary

Makes data accessing more easier

More easier for developers

Access Y! data

Add your own open tables

select * from {atom, csv, html, rss, feed, table }

In short it is select * from Internet

http://developer.yahoo.com/yql http://github.com/ http://www.wait-till-i.com/ - Chris Heilmann Thank you! Resources