How can a Web browser become more like a bookshelf browser?

However convenient it may be to search the Web from home or a dormitory room, the Internet cannot replace many of the built-in benefits of the library, like browsing the stacks for related information that could add spark and depth to an essay or a report. But researchers are working on more flexible approaches to searching for digital information – not only on the Web but on one’s own hard drive, where elusive details may be scattered through photos, e-mail and other files.

See the full article at the International Herald Tribune.