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Results: 1 – 30 of 55
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Add another type with the property you want to view.
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Do you know something that's missing from this view? Add it!If you have a list you can use our wizard to match it with topics that may already be in Freebase. Go to the import tool » |
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| api/account/logout | Freebase API service | |||
| api/account/login | Freebase API service | |||
| api/trans/image_thumb | Freebase API service |
Examples: A. Wide Image 1. Original: http://www.freebase.com/api/trans/raw/guid/9202a8c04000641f800000000514e28e 2. Only maxwidth http://www.freebase.com/api/trans/image_thumb/guid/9202a8c04000641f800000000514e28e?maxwidth=100 3. maxwidth and...
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| api/trans/blurb | Freebase API service |
Examples:http://www.freebase.com/api/trans/blurb/guid/9202a8c04000641f800000000001daf5?maxlength=1200 http://www.freebase.com/api/trans/blurb/guid/9202a8c04000641f800000000001daf5?maxlength=30&callback=foo
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| api/trans/raw | Freebase API service |
Examples:http://www.freebase.com/api/trans/raw/guid/9202a8c04000641f8000000003cbdd2dWith callback:http://www.freebase.com/api/trans/raw/guid/9202a8c04000641f8000000006cf5891?callback=foo
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| api/service/upload | Freebase API service | api/service/upload |
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| Freebase documentation tag | API | |||
| api/service/search | Freebase API service | |||
| api/service/mqlread | Freebase API service |
The mqlread service is used to perform read-only queries on Freebase data. Examples: http://www.freebase.com/api/service/mqlread?query={"query":[{"id":"/topic...
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| How to Add Other Administrators to a Domain | Freebase Tip | admin |
Let's say you want to collaborate with another Freebase user on designing a domain/type in your user area. If you go to the domain's page, click F8 to view the developer tools, then use the Admin View link, you’ll see that the domain has...
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| Avoid caching problems when using the API | Freebase Tip | Cache |
Imagine a situation where you have an application that's doing the same mqlread over and over, and meanwhile someone else is changing the data, for instance via the Freebase.com UI or via another application. Your app won't pick up those data...
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| Help Topic | HTTP cookie | |||
| api/service/mqlwrite | ||||
| mwLastWriteTime | ||||
| View the developer toolbar | Freebase Tip | Toolbar |
To view the developer toolbar, click F8 while viewing any Freebase page, then scroll to the bottom of the page. You will see all kinds of useful information and links to some handy pages for expert users.
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| Help Topic | explore | |||
| admin | ||||
| Perform transitive queries | Freebase Tip | Location |
Let's say you want to find all the Freebase users who live in the USA, but they have their locations set to things like "San Francisco" or "New Orleans". How do you ask for "USA, and anything within the USA"? ...
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| Help Topic | MQL | |||
| Guids Are Faster than IDs | Freebase Tip | api/service/mqlread |
Freebase ids and guids are both unambiguous ways of referencing topics in Freebase. If you're running queries which return a large number of values and you'd like to get a key to reference them by, asking for guid rather than the id can be...
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| Help Topic | Performance analysis | |||
| api/status | Freebase API service |
A simple test of the current Freebase server. This is primarily used for operational testing and validation and should not generally be used by client software.
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| Get data as of a specific time | Help Topic | version |
You can use the "as_of_time" attribute in the mql envelope to get data that was present at a specific time. One interesting use of this feature is to create a kind of trust authority application. Establish your own trusted view of topics...
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| dates | ||||
| Why MQL doesn't enforce types | Help Topic | schema migration |
The reason is that MQL doesn't enforce any types. There is no requirement that the thing connected by the 'state' property be a state. i.e. in freebase the type system is not normative. Its perfectly OK to put a person in that clause, should...
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| types | ||||
| How to monitor schema changes | Freebase Tip |
If your application depends on specific freebase schema you should subscribe to the developers@freebase.com and data-modeling mailing lists. Metaweb sends advanced notice of system schema changes to one or both of those lists.
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| Handle generalized dates | Freebase Tip | UTC |
In the graph we can represent the date as 2007, 2007-10, 2007-10-03, etc..technically these dates are UTC.Unfortunately when this gets loaded into a Javascript object in the browser, it gets converted to an absolute time (like Jan 1, 2007 at 0:00UTC...
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| Help Topic | dates | |||
| JavaScript | ||||
| Time | ||||
| error | ||||
| Read properties of a type | Help Topic | query |
This brings up the general concept of "default_property"
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| value | ||||
| properties | ||||
| system types | ||||
| literal | ||||
| values vs name/id | Help Topic | optional |
The shortcut:"/music/artist/active_start": [{}]The explanation:There's a bit of a trick to this. MQL divides the world into "values" and "objects". If you look at the expected_type of a property (try the query{ "...
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| value | ||||
| properties | ||||
| [{}] | ||||
| expected_type | ||||
| Why a value is not returned automatically |
Consider the Bradbury Building (a location in Blade Runner):{ "id": "#9202a8c04000641f800000000047b022", "type": [], "/common/topic/alias": [], "name": null }{"alias" : ["Bradbury...
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| Query envelope must be a dictionary | ||||
| Must ask for a value when you use a comparison operator | ||||
| Type /type/datetime does not have property name | ||||
| Query timeout | ||||
| string indices must be integers | ||||
| Unique query may have at most one result. Got xx | ||||
| Too many writes | ||||
| Expected a dictionary or a list with one element here | ||||
| Can't use a dictionary as a directive value | ||||
