How Can I Mass-update Knowledge Article Titles?

When we setup My Knowledge, we used OIC to create a custom My Knowledge solution where it's a bit more graphical and navigated based on our Help Desk categories. Since we set it up this way, we had to add a ton of keywords (everything after the ":" character) to the titles for the search function to work in that custom solution. With that said, we are now looking to remove all of the keywords from our titles. That can be done manually through an export, but we wanted to know how to efficiently update the titles through a process,