In investigations of how words and constructions interact, the focus is typically on the preferences or restrictions associated with one particular slot in the construction; little attention is paid to possible interactions between two or more such slots (see Rohde 2001 for a rare exception). However, such interactions are intuitively important at least for some constructions, for example the one exemplified in (1):
Stored only when both papers are in the corpus — 158 citations exist upstream.