Knowledge

FOAF

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54: 242:(OWL). Computers may use these FOAF profiles to find, for example, all people living in Europe, or to list all people both you and a friend of yours know. This is accomplished by defining relationships between people. Each profile has a unique identifier (such as the person's 1497: 1746: 1792: 265:
The FOAF project, which defines and extends the vocabulary of a FOAF profile, was started in 2000 by Libby Miller and Dan Brickley. It can be considered the first
400:, which means that each can be described using RDF as well. He has Wikimedia as an interest, and knows Angela Beesley (which is the name of a 'Person' resource). 227:, their activities and their relations to other people and objects. Anyone can use FOAF to describe themselves. FOAF allows groups of people to describe 926: 1667: 1584: 772: 820: 808: 255: 2244: 1290: 1224: 1084: 380:
There are also modules or plugins to support FOAF profiles or FOAF+SSL authorization for programming languages, as well as for
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format) states that James Wales is the name of the person described here. His e-mail address, homepage and depiction are
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blog search platform supports search over FOAF profile information. Prominent client-side FOAF support was available in
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Although it is a relatively simple use-case and standard, FOAF has had limited adoption on the web. For example, the
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supports mapping properties to external ontologies, including FOAF which is enabled by default.
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specifications, in particular for the WebID+TLS protocol, which was formerly known as FOAF+SSL.
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web browser before RSS support was removed in Safari 6 and in the Semantic Radar plugin for
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community supported FOAF profiles for members as well as groups. FOAF support is present on
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of the homepage or weblog of the person), which is used when defining these relationships.
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blogging sites support FOAF profiles for all their members,
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List of virtual communities with more than 1 million users
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Semantic Web ontology to describe relations between people
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FOAF is a descriptive vocabulary expressed using the
1675: 531:<http://www.jameswales.com/aus_img_small.jpg> 411:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> 2236: 898:"press release on the social networking support" 927:"Semantic Radar plugin for the Firefox browser" 821:XML Watch: Support online communities with FOAF 993: 1661: 1078: 710: 423:<http://www.w3.org/2000/01/rdf-schema#> 231:without the need for a centralised database. 1053:FOAF-search - a search engine for FOAF data 994:Brickley, Dan; Miller, Libby (2014-01-14). 809:XML Watch: Finding friends with XML and RDF 773:Semantically-Interlinked Online Communities 1668: 1654: 1085: 1071: 966:"FOAF+SSL authentication support for Perl" 307:FOAF is one of the key components of the 722: 832: 392:The following FOAF profile (written in 14: 2237: 1291:Knowledge representation and reasoning 1225:Semantic service-oriented architecture 1649: 1066: 996:"FOAF Vocabulary Specification 0.99" 823:by Edd Dumbill in IBM DeveloperWorks 811:by Edd Dumbill in IBM DeveloperWorks 36:Friend of a Friend (disambiguation) 24: 1788:List of social networking services 1352:Syntax and supporting technologies 648:Old version, no longer maintained: 435:<http://xmlns.com/foaf/0.1/> 25: 2266: 1048:a dataset of 201,612 FOAF triples 1021: 501:<http://www.jameswales.com> 283:, in a 2007 essay, redefined the 269:application, in that it combines 1979:Social network analysis software 1901:Virtual collective consciousness 1092: 597:<http://www.wikimedia.org> 546:<http://www.wikimedia.org> 52: 1831:Organizational network analysis 1006:from the original on 2022-03-03 987: 972: 958: 839:Decentralized Information Group 2245:Ontology (information science) 979:http://drupal.org/project/foaf 952:"FOAF support module for Perl" 944: 919: 904: 890: 882:. FOAF project. Archived from 872: 849: 826: 814: 802: 739:Resource Description Framework 236:Resource Description Framework 30:For "friend of a friend", see 13: 1: 1770:Personal knowledge networking 1466:Schemas, ontologies and rules 795: 706:Old version, still maintained 314: 1841:Social aspects of television 1755:Enterprise social networking 912:"FOAF Support in Safari RSS" 7: 1984:Social networking potential 1866:Social media and psychology 880:"Known FOAF data providers" 732: 622: 85:; 24 years ago 10: 2271: 2071:Algorithmic radicalization 1760:Enterprise social software 1743:Distributed social network 1493:Semantic Web Rule Language 1059: (archived 2018-11-30) 679:http://xmlns.com/foaf/0.1/ 659:http://xmlns.com/foaf/0.1/ 617: 588:"Angela Beesley" 387: 382:content management systems 147:Dan Brickley, Libby Miller 29: 2174: 2131:Six degrees of separation 2063: 2002: 1944:Collaborative consumption 1909: 1881:Social media optimization 1871:Social media intelligence 1801: 1778: 1730: 1687: 1598: 1557: 1511: 1465: 1351: 1344: 1243: 1177: 1146: 1100: 929:. Mozilla. Archived from 690: 185: 175: 165: 151: 143: 135: 115: 97: 79: 71: 63: 51: 46: 2156:Suicide and the Internet 2141:Social media and suicide 1599:Microformat vocabularies 1271:Information architecture 767:Description of a Project 402: 302: 2101:Friending and following 2091:Consequential strangers 1886:Social network analysis 1488:Rule Interchange Format 1251:Collective intelligence 1038:23 October 2021 at the 761:Description of a Career 666:Current stable version: 468:"James Wales" 2136:Social media addiction 1974:Social media analytics 1861:Social identity theory 1856:Social exchange theory 1851:Social data revolution 1836:Small-world experiment 1738:Corporate social media 718:Latest preview version 123:; 10 years ago 103:; 19 years ago 2076:Community recognition 2020:Collaborative finance 1954:Lateral communication 1765:Mobile social network 900:. Yandex. 2008-08-15. 789:XHTML Friends Network 745:Web Ontology Language 609:"Wikimedia" 240:Web Ontology Language 121:January 14, 2014 2182:Friendship recession 2121:Information overload 2030:Influencer marketing 1919:Account verification 1826:Interpersonal bridge 1821:Attention inequality 1286:Knowledge management 1281:Knowledge extraction 835:"Giant Global Graph" 2151:Social network game 2146:Social invisibility 1994:Structural cohesion 1939:Collaboration graph 1896:Structural endogamy 1876:Social media mining 1558:Common vocabularies 1512:Semantic annotation 1210:Semantic publishing 981:- FOAF support for 685:Paddington Edition 629: 367:semantic annotation 267:Social Semantic Web 43: 2116:Internet addiction 2111:Influence-for-hire 2106:Friendship paradox 2096:Friend of a friend 2086:Computer addiction 1949:Giant Global Graph 1816:Assortative mixing 1306:Digital humanities 1195:Semantic computing 1185:Semantic analytics 1169:Rule-based systems 857:"LiveJournal FOAF" 833:Berners Lee, Tim. 627: 363:Semantic MediaWiki 289:Giant Global Graph 213:friend of a friend 139:Namespace Document 47:Friend of a friend 41: 32:friend of a friend 2232: 2231: 2224:Virtual community 2081:Complex contagion 2015:Attention economy 1989:Social television 1959:Reputation system 1811:Ambient awareness 1643: 1642: 1639: 1638: 1549:Facebook Platform 1436: 1435:(no W3C standard) 1428: 1421: 1414: 1407: 1400: 1393: 1386: 1372: 1336:Web Science Trust 1256:Description logic 1215:Semantic reasoner 1205:Semantic matching 1133:Semantic networks 730: 729: 516:"Jimbo" 287:concept into the 273:technology with ' 205: 204: 101:June 3, 2005 16:(Redirected from 2262: 2212:Social profiling 2166:Viral phenomenon 1929:Change detection 1670: 1663: 1656: 1647: 1646: 1431: 1424: 1417: 1410: 1403: 1396: 1389: 1382: 1368: 1349: 1348: 1087: 1080: 1073: 1064: 1063: 1033: 1032: 1030:Official website 1015: 1014: 1012: 1011: 1002:. FOAF project. 991: 985: 976: 970: 969: 962: 956: 955: 948: 942: 941: 939: 938: 923: 917: 915: 908: 902: 901: 894: 888: 887: 876: 870: 868: 863:. Archived from 853: 847: 846: 841:. Archived from 830: 824: 818: 812: 806: 724: 719: 714: 707: 702: 697: 683:Current version 675: 674:January 14, 2014 667: 655: 649: 630: 626: 613: 610: 607: 604: 601: 598: 595: 592: 589: 586: 583: 580: 577: 574: 571: 568: 565: 562: 559: 556: 553: 550: 547: 544: 541: 538: 535: 532: 529: 526: 523: 520: 517: 514: 511: 508: 505: 502: 499: 496: 493: 490: 487: 481: 478: 475: 472: 469: 466: 463: 460: 457: 454: 451: 448: 445: 442: 439: 436: 433: 430: 427: 424: 421: 418: 415: 412: 409: 406: 254:account name, a 248:telephone number 246:, international 244:e-mail addresses 218:machine-readable 201: 198: 196: 194: 192: 131: 129: 124: 111: 109: 104: 93: 91: 86: 56: 44: 40: 21: 2270: 2269: 2265: 2264: 2263: 2261: 2260: 2259: 2235: 2234: 2233: 2228: 2202:Online identity 2170: 2059: 2055:Viral marketing 2045:Social commerce 2040:Sharing economy 2025:Creator economy 1998: 1911: 1905: 1803: 1797: 1774: 1726: 1683: 1677:Social networks 1674: 1644: 1635: 1594: 1553: 1507: 1461: 1340: 1331:Web engineering 1301:Digital library 1239: 1220:Semantic search 1200:Semantic mapper 1190:Semantic broker 1173: 1142: 1096: 1091: 1057:Wayback Machine 1040:Wayback Machine 1028: 1027: 1024: 1019: 1018: 1009: 1007: 992: 988: 977: 973: 964: 963: 959: 950: 949: 945: 936: 934: 925: 924: 920: 910: 909: 905: 896: 895: 891: 878: 877: 873: 855: 854: 850: 831: 827: 819: 815: 807: 803: 798: 735: 726: 725: 720: 715: 708: 703: 698: 693: 665: 647: 628:Versions table 625: 620: 615: 614: 611: 608: 605: 602: 599: 596: 593: 590: 587: 584: 581: 578: 575: 572: 569: 566: 563: 560: 557: 554: 551: 548: 545: 542: 539: 536: 533: 530: 527: 524: 521: 518: 515: 512: 509: 506: 503: 500: 497: 494: 491: 488: 482: 479: 476: 473: 470: 467: 464: 461: 458: 455: 452: 449: 446: 443: 440: 437: 434: 431: 428: 425: 422: 419: 416: 413: 410: 407: 404: 390: 317: 305: 281:Tim Berners-Lee 229:social networks 210:(an acronym of 189: 127: 125: 122: 120: 107: 105: 102: 98:First published 89: 87: 84: 59: 39: 28: 23: 22: 18:FOAF (software) 15: 12: 11: 5: 2268: 2258: 2257: 2252: 2247: 2230: 2229: 2227: 2226: 2221: 2219:Viral messages 2216: 2215: 2214: 2209: 2204: 2194: 2189: 2184: 2178: 2176: 2175:Related topics 2172: 2171: 2169: 2168: 2163: 2158: 2153: 2148: 2143: 2138: 2133: 2128: 2123: 2118: 2113: 2108: 2103: 2098: 2093: 2088: 2083: 2078: 2073: 2067: 2065: 2061: 2060: 2058: 2057: 2052: 2050:Social sorting 2047: 2042: 2037: 2032: 2027: 2022: 2017: 2012: 2010:Affinity fraud 2006: 2004: 2000: 1999: 1997: 1996: 1991: 1986: 1981: 1976: 1971: 1966: 1961: 1956: 1951: 1946: 1941: 1936: 1931: 1926: 1921: 1915: 1913: 1907: 1906: 1904: 1903: 1898: 1893: 1888: 1883: 1878: 1873: 1868: 1863: 1858: 1853: 1848: 1846:Social capital 1843: 1838: 1833: 1828: 1823: 1818: 1813: 1807: 1805: 1799: 1798: 1796: 1795: 1790: 1784: 1782: 1776: 1775: 1773: 1772: 1767: 1762: 1757: 1752: 1740: 1734: 1732: 1728: 1727: 1725: 1724: 1723: 1722: 1712: 1707: 1702: 1697: 1691: 1689: 1685: 1684: 1673: 1672: 1665: 1658: 1650: 1641: 1640: 1637: 1636: 1634: 1633: 1628: 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Retrieved 999: 989: 974: 960: 946: 935:. Retrieved 931:the original 921: 906: 892: 884:the original 874: 865:the original 860: 851: 843:the original 838: 828: 816: 804: 756:Semantic Web 711: 694: 684: 668: 642:Description 391: 379: 349: 321:Live Journal 318: 306: 285:semantic web 279: 277:' concerns. 264: 233: 211: 207: 206: 170:Semantic Web 80:Year started 64:Abbreviation 2192:Researchers 1924:Aggregation 1570:Dublin Core 1296:Library 2.0 1164:Linked data 861:LiveJournal 701:Old version 483:<mailto: 441:<#JW> 371:linked data 325:DeadJournal 223:describing 2239:Categories 2126:Overchoice 1964:Social bot 1910:Models and 1891:Social web 1720:Adolescent 1580:Schema.org 1316:References 1266:Geotagging 1261:Folksonomy 1154:Dataspaces 1147:Sub-topics 1123:Ontologies 1101:Background 1051:Archived: 1010:2022-03-31 937:2012-02-20 796:References 751:Social web 347:services. 337:FriendFeed 315:Deployment 275:social web 128:2014-01-14 108:2005-06-03 2064:Phenomena 2003:Economics 1912:processes 1611:hCalendar 1529:Microdata 1426:N-Triples 1419:Notation3 1345:Standards 1321:Topic map 1159:Hyperdata 1128:Semantics 1113:Hypertext 1108:Databases 1000:xmlns.com 528:depiction 375:MediaWiki 361:browser. 341:WordPress 333:Identi.ca 256:Jabber ID 180:CC BY 1.0 75:Published 58:FOAF logo 1804:theories 1780:Services 1731:Networks 1695:Personal 1621:hProduct 1311:Metadata 1118:Internet 1036:Archived 1004:Archived 914:. eJohn. 733:See also 633:Version 623:Versions 543:interest 498:homepage 329:My Opera 295:and the 293:Internet 252:Facebook 221:ontology 2207:Persona 1631:hReview 1626:hRecipe 1398:JSON-LD 1391:RDF/XML 1384:triples 1326:Web 2.0 1055:at the 968:. CPAN. 954:. CPAN. 695:Legend: 618:History 429:@prefix 417:@prefix 405:@prefix 388:Example 359:Firefox 345:TypePad 258:, or a 225:persons 216:) is a 186:Website 176:License 144:Authors 126: ( 106: ( 88: ( 1715:Clique 1705:Sexual 1544:SAWSDL 1447:SPARQL 1405:Turtle 983:Drupal 781:(HTML 775:(SIOC) 769:(DOAP) 763:(DOAC) 573:Person 453:Person 394:Turtle 365:, the 355:Safari 351:Yandex 166:Domain 136:Series 72:Status 2161:Tribe 1710:Value 1688:Types 1616:hCard 1606:hAtom 1524:GRDDL 1503:SHACL 1276:iXBRL 1235:Solid 791:(XFN) 783:vCard 779:hCard 747:(OWL) 741:(RDF) 650:0.98 636:Date 606:label 558:knows 432:foaf: 420:rdfs: 309:WebID 303:WebID 197:/spec 195:/foaf 191:xmlns 1748:list 1679:and 1590:SKOS 1585:SIOC 1575:FOAF 1565:DOAP 1539:RDFa 1519:eRDF 1498:ALPS 1483:RDFS 1442:RRID 1433:TriX 1412:TriG 1359:HTTP 669:0.99 600:rdfs 585:name 579:foaf 567:foaf 552:foaf 537:foaf 522:foaf 513:nick 507:foaf 492:foaf 486:> 480:mbox 474:foaf 465:name 459:foaf 447:foaf 408:rdf: 369:and 343:and 323:and 208:FOAF 193:.com 119:0.99 90:2000 83:2000 67:FOAF 42:FOAF 34:and 1478:OWL 1452:XML 1378:RDF 1370:URI 1364:IRI 271:RDF 260:URI 160:OWL 156:RDF 2241:: 998:. 859:. 837:. 384:. 339:, 335:, 250:, 158:, 1751:) 1745:( 1669:e 1662:t 1655:v 1086:e 1079:t 1072:v 1042:) 1034:( 1013:. 940:. 916:. 869:. 785:) 612:. 603:: 594:. 591:] 582:: 576:; 570:: 564:a 561:[ 555:: 549:; 540:: 534:; 525:: 519:; 510:: 504:; 495:: 489:; 477:: 471:; 462:: 456:; 450:: 444:a 438:. 426:. 414:. 199:/ 130:) 110:) 92:) 38:. 20:)

Index

FOAF (software)
friend of a friend
Friend of a Friend (disambiguation)

RDF
OWL
Semantic Web
CC BY 1.0
xmlns.com/foaf/spec/
friend of a friend
machine-readable
ontology
persons
social networks
Resource Description Framework
Web Ontology Language
e-mail addresses
telephone number
Facebook
Jabber ID
URI
Social Semantic Web
RDF
social web
Tim Berners-Lee
semantic web
Giant Global Graph
Internet
World Wide Web
WebID

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