Using Topsy as the harvesting tool, TweetLevel applies a considerable amount of research from the work at the Web Science team at the University of Southampton led by Professor Dame WendyHall of the Web Sciences Institute.
Eric Garcetti, 42, and Wendy Greuel, 51 - both veterans of city hall - have been cited as mayoral candidates who might face each other in a run-off vote in May if no candidate wins a majority of the vote in Tuesday's election.