Here, we limit the context size to be 4 on each side.
we attach to a citing sentence any of its 4 preceding and following sentences if citation survey context survey QA CT nuggets 0.416 0.634 AB nuggets 0.397 0.594 DP CT nuggets 0.324 0.379 Table 9: Pyramid F β=3 scores of automatic surveys of QA and DP data.