ServerSide Javascript on Freebase - SF JavaScript meetup #9

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This document summarizes a presentation about Acre, which allows running server-side JavaScript on Freebase.com. It introduces Freebase as a topic database containing over 11 million topics. It describes MQL, the JSON query language used to query Freebase. Examples are provided to find Russian cosmonauts and tropical storms from the 1990s. The presentation also discusses hosting apps on FreebaseApps.com and using Acre's templating language and widgets like suggestion.

Tecnología

Acre: Server-side JavaScript
on Freebase.com

San Francisco JavaScript Meetup #9
at CBS Interactive

Will Moffat

MQL: a JSON query language
“Russian cosmonauts”

MQL: a JSON query language
“Russian cosmonauts”

[{
"type": "/spaceflight/astronaut",
"name": null,
"/people/person/nationality": "russia"
}]

MQL: a JSON query language
“Russian cosmonauts”

http://api.freebase.com/api/service/mqlread?query=
[{
"type": "/spaceflight/astronaut",
"name": null,
"/people/person/nationality": "russia"
}]

Acre: Server Side JavaScript for Freebase

Hosted app server: freebaseapps.com
Runs untrusted user code

Sandboxed
instruction counting
memory, time quotas

Acre: for open data apps

Oauth - talk to flickr, Google, Netflix, etc

Acre Template Language

Client-side widgets: Freebase Suggest

Thank you!

freebase.com

http://www.slideshare.net/tag/freebase

#freebase on freenode.net

Keys: more examples of web ids

Will Smith
(Actor)

Keys: more examples of web ids

/index.html?curid=154698 Will Smith
(Actor) /people/s/will_smith

/name/nm0000226

/RoleDisplay/86971

/BandsAndArtists/S/Smith,_Will

/artist/Will+Smith

willsmith.com

/WillSmith

/artist/Will+Smith

/music/Will+Smith

/Will-Smith/e/B000APUOJC

$Slicing and dicing data using MQL “Tropical storms in the 90s” [{ "type": "/meteorology/tropical_cyclone", "name" : null, "formed>=" : "1990", "a:formed<=": "2000" }]$

$MQL: sorting “French actresses born pre-WWII” [{ "type": "/film/actor", "name": null, "/people/person/gender": "female", "/people/person/date_of_birth": null, "/people/person/date_of_birth<=": "1939", "/people/person/nationality": "France", "sort": "/people/person/date_of_birth" }]$

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ServerSide Javascript on Freebase - SF JavaScript meetup #9

1. Acre: Server-side JavaScript on Freebase.com San Francisco JavaScript Meetup #9 at CBS Interactive Will Moffat

2. The Short Pitch Freebase: a topic DNS

3. 11M topics - Actresses (37,079)

4. Cheeses (488)

5. Football Players (16,568)

6. TV Programs (33,630) arrested_develop

7. MQL: a JSON query language “Russian cosmonauts”

8. MQL: a JSON query language “Russian cosmonauts” [{ "type": "/spaceflight/astronaut", "name": null, "/people/person/nationality": "russia" }]

9. MQL: a JSON query language “Russian cosmonauts” http://api.freebase.com/api/service/mqlread?query= [{ "type": "/spaceflight/astronaut", "name": null, "/people/person/nationality": "russia" }]

10. MQL: a JSON query language

11. MQL: a JSON query language “Russian cosmonauts”

12. Acre: Server Side JavaScript for Freebase Hosted app server: freebaseapps.com Runs untrusted user code Sandboxed instruction counting memory, time quotas

13. Acre: for open data apps Oauth - talk to flickr, Google, Netflix, etc Acre Template Language Client-side widgets: Freebase Suggest

14. View Source comes to web apps

15.

16. FreebaseApps.com

17. Thank you! freebase.com http://www.slideshare.net/tag/freebase #freebase on freenode.net

18. Keys: more examples of web ids Will Smith (Actor)

19. Keys: more examples of web ids /index.html?curid=154698 Will Smith (Actor) /people/s/will_smith /name/nm0000226 /RoleDisplay/86971 /BandsAndArtists/S/Smith,_Will /artist/Will+Smith willsmith.com /WillSmith /artist/Will+Smith /music/Will+Smith /Will-Smith/e/B000APUOJC

20. Slicing and dicing data using MQL “Tropical storms in the 90s” [{ "type": "/meteorology/tropical_cyclone", "name" : null, "formed>=" : "1990", "a:formed<=": "2000" }]

21. MQL: sorting “French actresses born pre-WWII” [{ "type": "/film/actor", "name": null, "/people/person/gender": "female", "/people/person/date_of_birth": null, "/people/person/date_of_birth<=": "1939", "/people/person/nationality": "France", "sort": "/people/person/date_of_birth" }]

Notas del editor

1) topic: people, places, films 2) you&#x2019;ve got a page about something 3) plug into freebase to bring in related content from the web
CC license 11M topics, each with a strong, stable identifier + list of keys to other web sites.
designed to be used in JS
http://www.freebase.com/app/queryeditor?q=[{%22type%22:%22/spaceflight/astronaut%22,%22name%22:null,%22/people/person/nationality%22:%22russia%22}]
http://www.freebase.com/app/queryeditor?q=[{%22type%22:%22/spaceflight/astronaut%22,%22name%22:null,%22/people/person/nationality%22:%22russia%22}]
http://www.freebase.com/app/queryeditor?q=[{%22type%22:%22/spaceflight/astronaut%22,%22name%22:null,%22/people/person/nationality%22:%22russia%22}]
JS powerful language, use it on both client & server. SSJS: write complete apps in HTML, JS & CSS. Rich ecosystem of widgets, libraries. Community. Rhino image from Paul Houle. http://www.mozilla.org/rhino/
put this together to get DEMO: http://solutions.apps.freebase.dev.freebaseapps.com/suggest Auto-complete: musical artists on twitter looks up their username grabs tweets
* all code is BSD licensed * clone to edit your own copy * example of acre template: show actors starring in this film
screencast: * Show google news stories from of top 3 companies in selected industry * gets deep into code
talk to me afterwards - lots of interesting topics. you can use SSJS to extend query language

ServerSide Javascript on Freebase - SF JavaScript meetup #9

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Notas del editor