De or het kennissamenleving?

The correct Dutch article is:

de kennissamenleving

Rule Words ending in -ing: almost always de. See the rule

How to use kennissamenleving

the kennissamenlevingde kennissamenleving
this kennissamenlevingdeze kennissamenleving
that kennissamenlevingdie kennissamenleving
our kennissamenlevingonze kennissamenleving
your kennissamenlevingjouw kennissamenleving
every kennissamenlevingelke kennissamenleving
which kennissamenleving?welke kennissamenleving?
a big kennissamenleving / the big kennissamenlevingeen grote kennissamenleving, de grote kennissamenleving