Table of Contents
What is the FOAF Project?
The Friend of a Friend (FOAF) project is creating a Web of machine-readable pages describing people, the links between them and the things they create and do. FOAF is about your place in the Web, and the Web's place in our world. FOAF is a simple technology that makes it easier to share and use information about people and their activities (eg. photos, calendars, weblogs), to transfer information between Web sites, and to automatically extend, merge and re-use it online. -- www.foaf-project.org
What is FOAF.Vix?
FOAF.Vix is a visualizer and relation explorer for FOAF (Friend of a Friend) files. Although this file format is designed first of all to be machine readable, it is often desirable to be able to browse it as if it were a usual Web page. FOAF.Vix gives you this possibility, presenting the data from a FOAF file in an easy to understand form and allowing to follow links to other Web resources it contains, including links to other FOAF pages, thereby allowing you to explore the network of human relations.
- Standalone or customizable embedded web widget.
- Additional JSON output support.
- Localization (ca,da,de,el,en,eo,es,fr,ja,la,nb,pl,uk).
- Autodiscovery support.
- Microformats friendly (outputs hCard, hCalendar, adr, geo).
- Extracts FOAF data from XHTML RDFa 1.0.
- Simple and fast (uses 48h local caching).
1. Standalone mode
To view any FOAF file, supply its URL as an argument to FOAF.Vix, like this:
An HTML example, i.e. linking your FOAF file to FOAF.Vix from your web site:
Tip #1: It is also recommended to use a FOAF Autodiscovery in your web page.
2. Embedded mode: Web Widget
This mode allows to include a visualized FOAF information in your home page or blog. To do so, add the following HTML code to your page:
Tip #2: The presentation of FOAF data inside web widget is controlled by a CSS class foafvix. Its subclasses are named after the FOAF entries they control. These are:
This allows you to adjust the default style sheet. To resign fully
from using the default CSS, add
3. Embedded mode: JSON output
This mode returns a JSON data stucture.
Specifying a callback function
By default FOAF.Vix tries to guess in which language to present the
page by using your browser settings. You can explicitly specify the
output language using
hl parameter. Its argument is a
ISO 639 code of the required language. For example, the following
will display the FOAF page in French:
Currently FOAF.Vix supports the following languages: Catalan (ca), Danish (da), German (de), Greek (el), English (en), Esperanto (eo), Spanish (es), French (fr), Japanese (ja), Latin (la), Norwegian Bokmål (nb), Polish (pl), Ukrainian (uk).
New language contributions are welcome.
The FOAF.Vix source code can be obtained by using a Git (source control) client.
Clone it anonymously from
It is licensed under the GNU General Public License (GPL), version 3.
- Wojciech Polak (standalone)
- Dave Beckett (standalone)
- Dan Brickley (standalone)
- Henry J. Story (standalone)
- Sample Embeds (embedded)
Please send any bug reports, comments, suggestions, or questions to FOAF.Vix discussion group.