Clearwell Enron 'Topics'

Moving forward with my look at semantic network analysis of the Enron data, I've been exploring Clearwell's 'Topics' feature, which like a lot of Clearwell's features, does much of the work for you with a few clicks.

For your perusal, here is the entire Topics list of the Enron corpus, sorted as Clearwell supplies it, and here are the top 10, sorted by occurrence frequency:
 

Topic	Terms	# of     Documents
Margin Call	Call, Conference, Conference call, Margin, number, Monday, Margin Call, account, funds, requirements, market, time, amount, equity, Weekly Call, year, Hours, stock, wire, portfolio	1538
intended recipient	recipient, intended recipient, affiliate, contract, sender, basis, party, sender or reply, Thanks, Message, privileged material, basis of a contract, use, relevant affiliate, sole use, RESUME, reply, Report, opportunity, people	1238
staff meeting	Staff, Meeting, staff meeting, MONDAY, ENW Staff, location, MORNING, CAO Staff, January, Tuesday, MONDAY MORNING STAFF, CHANGE, ETS STAFF, Reminder, ETS MONDAY MORNING, MORNING STAFF, ETS MONDAY MORNING STAFF, ETS MONDAY, week, Teams	1204
Enron Stock	employees, company, Enron, Stock, Enron Stock, Fund, millions, retirement, Proceeds, Demand Ken Lay, Demand, Enron Stock Sales, Lay, Sales, Ken Lay, Stock Sales, New York Times, energy crisis last, last, underhanded dealings	1151
experiences	interview, Schedule, questions, Enron, time, form, date, system, employees, communication, answers, experts, students, conversation, experiences, video, clip, process, position, Guide	1027
Conference Call	Call, Conf, times, Conference Call, Conference, comments, GIR Conf, decision, Wednesday, Practices, Business, Summary, Beeson Conf, One, BPs, BP Conf, Meeting Summary, Business Practices, Gas Conf, Links Meeting Summary	993
Dow Jones Index	Person, Unknown Person, Dates, HourAhead hour, hour, Start Date, schedule, Subject, 2001 Subject, file, Message, Index, Kate, Dow Jones Index, Index Prices, Jones Index, djenergy Subject, EPMI Index, EPMI Index Prices, Prices	896
Repeat parent	parent, Repeat, Repeat parent, Date, Description, ENTRY, CALENDAR ENTRY, CALENDAR, Standard Time, Central Standard Time, Time, INVITATION Description, INVITATION, Meeting Dates, Mtg, Russell, call, OFFICE, Buchanan, Stacey	807
option premium	OPTION, models, premium, option premium, spread, Index, Insurance, stock, HOUR, library, volatility, Email, baskets, average, Yes, price, tax, Digital Options, Index Option, State	801
Access Request	Request, Access, Date, Access Request, act, Read, email, Switch, Drop, POLR Request, data, approver, form, ERCOT, data approver, Switch Request, switch date, Customer, period, end	734

I am interested to more fully know how Clearwell derives these topics, and to compare this process to other tools, like Gensim.
Here is Clearwell's writeup on its 'Topics' analysis process.
I will continue posting updates to this project as it develops.