Yes it should be (1994) in the HN title and not 2003, as it was published in "IEEE Computer, April 1994." I'd guess the mentioned "update" on the page is not r

Yes it should be (1994) in the HN title and not 2003, as it was published in "IEEE Computer, April 1994." I'd guess the mentioned "update" on the page is not relevant, that is, that there aren't any important changes compared to the 1994 original of the article.