The language is not technical and the word "socialità" is ambiguous. Anyway the use it in opposicion to "servizio universale", like some sort of selective approach that should benefit only the weak and lower classes.

Hi John, I've met the term before many times, however not in this sense. The author is using it as a noun for a "social welfare orientation" to make an even finer distinction between "universal", which is for rights due to everybody, like a UK old age pension, which everybody used to get on a simple basis of age, and a social welfare policy (today the welfare part of that term is omitted very frequently) which would be directed only to people who need it "elderly and children" in this case. I woud just use the adjective "social" and choose an appropriate noun "policies" "orientation" "approach" "system" or whatever fits in the particular context.

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Note added at 3 hrs (2009-01-06 15:47:15 GMT)
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No, social exclusion is about the "underclass" people living on the streets, people excluded from society, a phenomenon which "emerged" during the 1980s, when people were "deinstitutionalised" and moved out of mental hospitals onto the streets. One third of hospital beds in the UK in 1980 were occupied by mental patients and the cost became just too much.

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Note added at 3 hrs (2009-01-06 16:02:22 GMT)
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Other side of the coin, the included are all those not excluded. If the specific context is an argument that by giving free bus rides to the elderly and to minors you decrease the risk of social exclusion by ensuring a greater probability of social inclusion (hardly plausible) then this might be the answer. However if the author meant "inclusione sociale" then he would/should have said it.

http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=desk...

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Note added at 3 hrs (2009-01-06 16:05:16 GMT)
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Didn't quite realise I knew so much about all this, having been a social worker in the 70's and translated the annual Italian report on poverty to the EU for over ten years...

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Note added at 3 hrs (2009-01-06 16:09:03 GMT)
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Just for the record: reasons why a literal translation is not advisable unless you put it in inverted commas or want to give an note.
Definizione di sociality su Internet Inglese:

the tendency to associate with others and to form social groups; "mammals as a class are not strong on sociality"
wordnet.princeton.edu/perl/webwn

The social interactions, networkd and shared connections that bind people together.
www.personal.soton.ac.uk/gg300302/glossary.html

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Note added at 3 hrs (2009-01-06 16:11:48 GMT)
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And here is the Garzanti definition which seems completely extraneous to your context.
Definizione s. f.
1 l'essere sociale; la tendenza dell'uomo a vivere in società
2 nel pensiero cattolico, il complesso dei rapporti che regolano la vita degli individui appartenenti a una data società; la coscienza di tali rapporti e degli obblighi che essi comportano: avere il senso della socialità.