Participating in the Web of Data

the Web of Data Par$c ipa$ng in Chris$an Heilmann / @codepo8 Senior Developer Evangelist Yahoo Developer Network hCp://developer.yahoo.com hCp://icant.co.uk hCp://developer‐evangelism.com Las Vegas, Nevada 17. March 2010

Pencil s down! hCp://delicious.com/codepo8/mix10

We lcome to the web

al web developer Profession

he Enter prise crew Joining t h5p://www.ﬂickr.com/photos/rspeed/4115466351/

ings went wrong This is when th

corporate world Jo ining the

eb 2.0 *h ighﬁve* Hey ho, W

ent wron g again. .. .and it w

A nd now? The web as the plaUorm The Mobile Web Geoloca$on

nges leave a track Market cha

s$ck to a path... Peop le like to

iX down a gear... T ime to sh h5p://www.ﬂickr.com/photos/neurolysis/3335080917/

on denom inator Finding t he comm h5p://www.ﬂickr.com/photos/kentbrew/3764641730/

he world of data Tapp ing into t h5p://www.ﬂickr.com/photos/bixentro/2199711056/

Why A PIs work Applica$on Programming Interface End Users Data Source Developers Other Apps

Why A PIs work Applica$on Programming Interface End Users On‐demand delivery of the needed Data data in the right format. Source Developers Access of the data source only when needed ‐ otherwise caching works. Other Apps

APIs m ade easy

APIs m ade easy select {what} from {where} where {condi$ons}

YQL examples select * from ﬂickr.photos.search where text="donkey" and license=4

YQL examples select * from craigslist.search where loca$on="seay" and type="sss" and query="ﬂower pot"

YQL examples select * from google.news where q="healthcare"

YQL examples select * from query.mul$ where queries in ( 'select * from nyt.ar$cle.search where query="healthcare"', 'select * from microsoX.bing.news where query="healthcare"', 'select * from google.news where q="healthcare"' )

YQL examples select content from html where url="hCp://www.foxnews.com/" and xpath="//h2/a"

YQL examples select * from google.translate where q in ( select content from html where url="hCp://www.foxnews.com/" and xpath="//h2/a" ) and target="fr"

YQL examples insert into wordpress.post ($tle, descrip$on, blogurl, username, password) values ("Test Title", "This is a test body", "hCp://yqltest.wordpress.com", "yqltest", "password")

API for APIs hCp://query.yahooapis.com/v1/public/ yql? q={query} &format=xml|json &callback={callbackfunc$on}

APIs m ade easy hCp://developer.yahoo.com/yql No $me wasted reading API docs Crea$ng complex queries with the console. Filter data before use Fast pipes. Caching + conver$ng Server‐side JavaScript

t as a tra ilblazer? Governmen

PIs out o f thin air Conjuring A

in a good format. Get the data

t onto “th e cloud” The n throw i

a simple format And pu blish it in

rn it into an API! Then tu select * from csv where url="hCp:// spreadsheets.google.com/pub? key=tpWDkIZMZleQaREf493v1Jw&output=csv" and columns="Year,City,Sport,Discipline,Country,Event, Gender,Type" and Year="1924"

et to we b service S preadshe

Som e more examples

hCp://icant.co.uk/goohoobi/index.php?research

hCp://uk‐house‐prices.com/

hCp://icant.co.uk/geomaker/index.php

In sum mary... We have the network and we have the technology. We have people who work eﬀec$vely with the tools they use. We have a new genera$on coming who naturally use the internet and are happy with our web interfaces. If we use our eﬀorts 50/50 on new and building APIs and converters to get the data of the old the web will rock.

Homework http://github.com/yql/yql-tables

Lea rn more

T HANKS! Photos: flickr.com, oddlyspecific.com, thereifixedit.com, failblog.org, epicwinOw.com, the internets.

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Participating in the Web of Data

by Christian Heilmann

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