K e y w o r d s : co m m u n i ca t i on , m u l t i a g e n t s y s te m , em er g en ce, m or p h o l o g y , s h a r ed k n owl ed g e, m ea n i n g . 6 . 1 I n t r o d u c t i o n A com m u n i c a ti on a l s y s te m u s i n g l a r g e n etwor k s a n d i n vol vi n g m a n y u s e r s c a n b e s ee n i n two w a y s . T h e f i r s t i s p o i n t of v i ew of t h e ex c h a n g e of k n ow l e d g e a n d of s h a r e d k n ow l e d g e b etwee n t h e u s e r s , i n a co g n i t i ve w a y . T h e s eco n d i s t h e p oi n t of vi ew of th e con tr ol i n a n d of t h e s y s te m , i n a s oc i a l w a y . I n f a ct, u s i n g n etwor k s , u s e r s h a ve to com m u n i c a te a n d u s e l a r g e k i n d of k n ow l e d g e : th e ex c h a n g e of i n for m a ti o n i s a l w a y s a n ex c h a n g e of k n ow l e d g e. Wi t h t h i s p r a ct i ce , u s e r s m a k e u p a n ew d y n a m i c s oc i a l s p a ce w h e r e p r ob l e m s of c u l t u r e , of p owe r a n d of s oc i a l tr a n s for m a ti o n s s p r i n g u p . A n d t h e q u e s t i o n of t h e co n tr ol i s i n h e r e n t i n s u c h f i e l d s . So, we c a n h a ve a ve r y d ee p or a s oft con t r ol b u t a l w a y s we h a ve co n tr ol ex p r e s s e d b y t h e s oc i et y i t s e l f a b o u t t h e g oa l s of p eop l e u s i n g n etwor k s . Com m u n i c a t i on i s , u p p e r t h e tec h n i c a l a s p ect , a s oc i a l a ct i n vol ve d a p os s i b l e tr a n s for m a ti o n of th e s oc i a l s tr u ct u r e s . T h e ex p r e s s i o n of t h e con tr ol of u s e r s i n com m u n i c a ti on a l n etwor k s i s a n a tu r a l te n d e n c y i n o u r s oc i eti e s , for m a i n ta i n coh e s i o n a n d a vo i d b r e a k i n g . E x c h a n g e of i n for m a ti on b etwee n u s e r s i s ex c h a n g e of k n ow l e d g e a n d i m p l i e s t h e d eve l o p m e n t a n d t h e m o d i f i c a ti o n of th e u s e r s ’ g r o u p s . T h i s s tr u ctu r e , t h e s e or g a n i z a ti on a l m o d i f i c a ti on s m u s t b e k n ow n for s om e s oc i a l a n d p ol i t i c s t r u ct u r e s p u tt i n g i n p l a ce t h e n etwor k s a n d t h e i r s f a c i l i t i e s . B u t t h e s e or g a n i z a t i on a l m o d i f i c a t i on s c a n a l s o b e k n ow n b y u s e r s t h e m s e l ve s a n d t h e n t a c k l e a n ew s oc i a l s p a ce. I n t h i s c a s e , t h e ex c h a n g e d k n ow l e d g e i s a u tom a t i c a l l y a u g m e n te d w i t h i t s i n te r p r et a t i o n a n d i t s s oc i a l i m p l i c a t i on s . We p r e s e n t t h e a r c h i tect u r e of s u c h a s y s te m a l l ow i n g t h e r e p r e s e n t a t i o n of t h e m e a n i n g of com m u n i c a t i on s b etwee n u s e r s . T h e a r c h i tect u r e s tr on g l y u s e s t h e m u l ti a g e n t p a r a d i g m .