Citation for type hierarchy and maintainability

Dear all,

Does anyone have to hand a good source to cite for the claim that the HPSG type hierarchy helps with the creation of grammars that are eas(ier) to maintain over time? (This seems like something that someone has surely said somewhere, but I can’t quickly remember where.)


Hi Emily,

The reference I have used before for this point is Sygal and Wintner 2011 (page 66):


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Thanks, Dan!