SOCIAL NETWORK
<p>Jan 23, 2011 10:55 AM
 
people are nodes  tied together by various kinds of relationships:
friendship, kinship, common interest, financial exchange, dislike,
sexual relationships or relationships of beliefs, knowledge, or prestige.
 
nodes and ties (edges, links, or connections)
 
Social capital
 
also important in anthropolo, biol, communic studies, economics, geography, info sci, organ studies,
social psycho and psycholinguistics.</p>