The PDF is an exact picture of an article with all pictures; HTML is usually text only.
HTML will have the citation information in the file; PDF requires you to print citation information separately.
Articles in PDF can be sometimes be read aloud by a computer; HTML articles cannot.
It's a brief summary of an article; it's great for copying and pasting into an annotated bibliography.
It's a brief summary of an article; it's great to read so see if the full article is relevant to your research.
It's a section of an article; it's great to read to see what other articles are similar and might be useful for your research.
It's the author's explanation of why he/she wrote the article; it's great to read to better understand the author's perspective.
Lexis Nexis Academic
Academic Search Complete
Blooms Literary Reference
Authorship of websites is often unclear; authorship of articles in GALILEO databases is usually clearly stated.
You are sometimes asked to pay for articles found from a website; GALILEO provides the articles from tuition and will not ask you to pay for individual articles.
The web is searched with keywords; in GALILEO databases, you must search by author or title to find an article.
GALILEO will limit results to reliable peer-reviewed journals; with websites, you must determine whether the content is trustworthy.