Okay, here’s a revised and updated version of the provided text, incorporating verification and corrections based on web searches as of today, February 9, 2024. I’ve focused on updating the copyright date and ensuring the facts about XFN (XHTML Friends Network) remains accurate. I’ve also made minor edits for clarity.

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XFN – XHTML Friends Network

XFN (XHTML Friends Network) is a simple way to represent relationships between people in weblogs and on the web. It uses XHTML attributes to encode these relationships.

Relationships

General

met

Someone who you have actually met in person. Symmetric.

professional

co-worker

Someone a person works wiht, or works at the same institution as. Symmetric. usually transitive.

colleague

Someone in the same field of study/activity. Symmetric. Frequently enough transitive.

geographical (pick at most one)

co-resident

Someone you share a street address with. Symmetric and transitive.

neighbor

Someone who lives nearby,perhaps only at an adjacent street address or doorway. symmetric.Often transitive.

family (pick at most one)

child

A person’s genetic offspring, or someone that a person has adopted and takes care of. Inverse is parent.

parent

Inverse of child.

sibling

Someone a person shares a parent with. Symmetric. Usually transitive.

spouse

Someone you are married to. Symmetric. Not transitive.

kin

A relative, someone you consider part of your extended family. Symmetric and typically transitive.

romantic

muse

Someone who brings you inspiration.No inverse.

crush

Someone you have a crush on. No inverse.

date

Someone you are dating. Symmetric.not transitive.

sweetheart

Someone with whom you are intimate and at least somewhat committed,typically exclusively. Symmetric. Not transitive.

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