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.
![MQL: a JSON query language
“Russian cosmonauts”
[{
"type": "/spaceflight/astronaut",
"name": null,
"/people/person/nationality": "russia"
}]](https://image.slidesharecdn.com/freebaseandacre-sfjavascriptmeetup9-willmoffat-key-100121115147-phpapp02/85/ServerSide-Javascript-on-Freebase-SF-JavaScript-meetup-9-8-320.jpg)
![MQL: a JSON query language
“Russian cosmonauts”
http://api.freebase.com/api/service/mqlread?query=
[{
"type": "/spaceflight/astronaut",
"name": null,
"/people/person/nationality": "russia"
}]](https://image.slidesharecdn.com/freebaseandacre-sfjavascriptmeetup9-willmoffat-key-100121115147-phpapp02/85/ServerSide-Javascript-on-Freebase-SF-JavaScript-meetup-9-9-320.jpg)
![Slicing and dicing data using MQL
“Tropical storms in the 90s”
[{
"type": "/meteorology/tropical_cyclone",
"name" : null,
"formed>=" : "1990",
"a:formed<=": "2000"
}]](https://image.slidesharecdn.com/freebaseandacre-sfjavascriptmeetup9-willmoffat-key-100121115147-phpapp02/85/ServerSide-Javascript-on-Freebase-SF-JavaScript-meetup-9-20-320.jpg)
![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"
}]](https://image.slidesharecdn.com/freebaseandacre-sfjavascriptmeetup9-willmoffat-key-100121115147-phpapp02/85/ServerSide-Javascript-on-Freebase-SF-JavaScript-meetup-9-21-320.jpg)
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)
- 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
- 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" }]
Editor's Notes
- #3: 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
- #4: CC license 11M topics, each with a strong, stable identifier + list of keys to other web sites.
- #8: designed to be used in JS
- #9: http://www.freebase.com/app/queryeditor?q=[{%22type%22:%22/spaceflight/astronaut%22,%22name%22:null,%22/people/person/nationality%22:%22russia%22}]
- #10: http://www.freebase.com/app/queryeditor?q=[{%22type%22:%22/spaceflight/astronaut%22,%22name%22:null,%22/people/person/nationality%22:%22russia%22}]
- #11: http://www.freebase.com/app/queryeditor?q=[{%22type%22:%22/spaceflight/astronaut%22,%22name%22:null,%22/people/person/nationality%22:%22russia%22}]
- #13: 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/
- #14: 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
- #16: * all code is BSD licensed * clone to edit your own copy * example of acre template: show actors starring in this film
- #17: screencast: * Show google news stories from of top 3 companies in selected industry * gets deep into code
- #18: talk to me afterwards - lots of interesting topics. you can use SSJS to extend query language