| Systems Functionality |
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| Functionality |
System |
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Mozilla Weave |
Facebook |
LinkedIn |
Twine |
ODS |
| Basic Information |
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| Omni-Functional by definition? |
Not really |
Not really |
Not really |
Yes |
Yes |
| Advertised Central Function |
Bookmark & History Decentralisation |
Social Networking |
Social Networking (business) |
Semantic Social Data Web |
Semantic Social Data Web |
| Implementation |
Firefox Plugin + Webservice |
Web Application |
Web Application |
Web Application |
Web Application |
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| Specific Functions |
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| Bookmark Storage/Retrieval |
Yes |
Not core |
No |
Yes |
Yes |
| Web History Storage/Retrieval |
Yes |
No |
No |
No |
No |
| OpenSocial Capability |
No |
No |
No |
No |
Yes |
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| Data Portability |
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| Exports FOAF |
No |
No |
No |
Yes (?) |
Yes |
| Imports FOAF |
No |
No |
No |
Yes (?) |
Yes |
| Links together FOAF & Profiles |
No |
No |
No |
No (?) |
Yes |
| Implements OpenID |
No |
No |
No |
No (?) |
Yes |
| Implements Oauth |
No |
No |
No |
No (?) |
Coming Soon |
| Imports hCard |
No |
No |
No |
Yes (?) |
Yes |
| Exports hCard |
No |
No |
No |
No (?) |
Yes |
| Imports XFN |
No |
No |
No |
Yes (?) |
Yes |
| Exports XFN |
No |
No |
No |
No (?) |
No |
| Implements APML |
No |
No |
No |
No (?) |
Coming Soon |
| Implements YADIS |
No |
No |
No |
No |
Yes |
| Supports the work of DataPortability.org |
No |
No |
No |
No (?) |
Yes |
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| Syndication & Aggregation |
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| Imports RSS (RDF) |
Yes |
No |
No |
(?) |
Yes |
| Exports RSS (RDF) |
No |
No |
No |
(?) |
Yes |
| Imports RSS 2 |
Yes |
No |
No |
(?) |
Yes |
| Exports RSS 2 |
No |
No |
No |
(?) |
Yes |
| Imports ATOM |
Yes |
No |
No |
(?) |
Yes |
| Exports ATOM |
No |
No |
No |
(?) |
Yes |
| Imports OCS |
No |
No |
No |
(?) |
Yes |
| Exports OCS |
No |
No |
No |
(?) |
Yes |
| Imports OPML |
No |
No |
No |
(?) |
Yes |
| Exports OPML |
No |
No |
No |
(?) |
Yes |
| Imports SIOC |
No |
No |
No |
(?) |
Yes |
| Exports SIOC |
No |
No |
No |
(?) |
Yes |
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| Querying |
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| Supports SQL Querying Externally |
No |
No |
No |
(?) |
Yes |
| Supports SPARQL Querying Externally |
No |
No |
No |
(?) |
Yes |
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| URIs |
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| URIs as Object Identifiers? |
Yes |
No |
No |
(?) |
Yes |
| Meaningful URIs |
no |
No |
Yes |
(?) |
Yes |
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| Tagging |
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| Manual Tagging |
Not yet |
Yes |
Yes |
Yes |
Yes |
| Auto-tagging |
No |
No |
No |
Yes |
Yes |
| Semantically Linked Tags |
No |
No |
No |
Yes |
Yes |
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| Applications/Widgets/Components |
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| Built-In Blog |
No |
Yes “Notes” |
No |
Yes (?) |
Yes |
| Built-In Wiki |
No |
No |
No |
Yes (?) |
Yes |
| Built-In Feedreader |
No |
Yes |
No |
Yes (?) |
Yes |
| Installable Components |
No |
No |
No |
No (?) |
Yes, examples include: |
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WordPress |
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MediaWiki |
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Drupal |
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Calendar |
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Polls |
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Briefcase (WebDAV Server) |
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Others |
| Installable Components Output RDF |
N/A |
N/A |
N/A |
N/A (?) |
Yes |
| Installable Components Queryable |
N/A |
N/A |
N/A |
N/A (?) |
Yes: SPARQL or SQL |
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| Discussion / Conversation Management |
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| Integrated across Applications |
No |
No |
No |
No |
Yes (all Comments & Talk Pages) |
| Conversation Data in RDF |
No |
No |
No |
No |
Yes |
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| Semantic Screen Scraping |
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| Loadable Scapers |
No |
No |
No |
Yes (?) |
Yes: “RDF Cartridges” |
| Data Mining / AI based Scarpers |
No |
No |
No |
Yes (?) |
No |
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| Installation/Hosting |
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| Downloadable & Install anywhere |
No |
No |
No |
No |
Yes |
| Hosted |
Yes |
Yes |
Yes |
Yes |
Yes |
| EC2 Image |
No |
No |
No |
No (?) |
Yes |
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| Web 1.0, 2.0 or 3.0? |
Web 2.0, but has potential |
Web 2.0 |
Web 2.0, but has potential |
Web 3.0 |
Web 3.0 |