Table 2.

Words used to determine if a message belongs to one of the major or sub communication types for the basic (rule-based) classifier.

Communication Major Type		Words
Informational		question, normal, medication, procedure
Logistical		insurance, record, bill, cover
Social		thank you very much, thank you so much, thanks very much, thanks so much, appreciate, your time
Medical		refill, prescription, appointment, pain, hurt, lab, follow up, test, xray, ct, mri
Major Type	Subtype	Words
Logistical	Contact information	fax, phone, telephone, cell, address, street, email
Social	Acknowledgement	appreciate, time, very much
Medical	Appointments	call me, appointment, be seen, (Mon, Tues, Wed, Thurs, Fri)-day
Medical Medical	Prescriptions Problems	refill, prescription pain, worse
Medical	Follow-up	better, follow up
Medical	Tests	lab, labs, ultrasound, CT, MRI, test