Today I have:

• Written a basic script to run the two saxon transforms on my original source data. This script will have more transformations added to it eventually, forming a full process from db output XML to CSV file for JS-R.
• Added detection of liquidated properties and liquidated property controls (although I'm still working on data that doesn't have the required identification of purchasers to allow detection of actual liquidations -- still waiting on JS-R to add that to the db).
• Implemented basic transaction-chain detection. This is remarkably slow, but does appear to be working. So far it's listing all titles in a single-title transaction chain. Next I need to do something when I reach a fork in the chain (perhaps generate a nested chain, which could be un-nested in the next transformation).

Moving forward. Tomorrow I should be able to finish transaction chains, and presumably get some idea from JS-R of what kind of output format he would like.