1. Identifying terms with similar meanings across corpora

2. Sahami and Heilman My Project Kofi Annan UN Secretary General
Google(Kofi Annan)
Google(UN Secretary General)
My Project
ForeignAffairs(Kofi Annan)
Google(Kofi Annan)
BioDatabase(Python)
Google(Python)

3. Main Program
Google
Search
API
Web
Lucene
Pre-computed
IDFs

4. Best Results So Far IMDB
“Apocalypse Now” and “Gothika” clearly identified as popular.
“The Body”, “Summer School”, “Antitrust” clearly identified as… overshadowed by other meanings.
Compound identification (actor names, etc.) would probably be a big help here.

5. References
Sahami, M. and Heilman, T. D A web-based kernel function for measuring the similarity of short text snippets. In Proceedings of the 15th International Conference on World Wide Web (Edinburgh, Scotland, May , 2006). WWW '06. ACM Press, New York, NY, DOI=