Bookworm: Ngrams Meet the (Open) Library Catalog | Hack Education

"Google’s Ngram Viewer promised some interesting insights into a subset of the books that the company had digitized. The tool offered an interactive visualization of a dataset containing more than 500 billion words from some 5.2 million books. By querying the Ngram viewer, you can see how much word usage changes over time. A new tool, called Bookworm released by Harvard’s Cultural Observatory offers another way to interact with digitized book content and full text search. Bookworm doesn’t rely on the Google digitization efforts, but rather uses books in the public domain. It is also less concerned with tracking the history of a word or phrase, but rather helps enable searches of other library metadata, including genre, author information, publication place and date...."