Columbia subject headings:
Communication--Technological innovations--Congresses.
Documentation--Congresses.
Information science--Technological innovations--Congresses.
Library science--Technological innovations--Congresses.
Harvard subject headings:
Communication--Technological innovations--Congresses
Documentation--Congresses.
Information science--Technological innovations--Congresses.
Information technology--Congresses
Library science--Technological innovations--Congresses
Princeton subject headings: