Querying structured infomation retrieval database
Merge smaller subsets of queries first,
Given 3 sets: {1, 2}, {1, 2, 3, 4}, {1, 2, 3, 4, 5, 6}
{1, 2, 3, 4} AND {1, 2}
rather than:
{1, 2, 3, 4} AND {1, 2, 3, 4, 5, 6}
Merge smaller subsets of queries first,
Given 3 sets: {1, 2}, {1, 2, 3, 4}, {1, 2, 3, 4, 5, 6}
{1, 2, 3, 4} AND {1, 2}
rather than:
{1, 2, 3, 4} AND {1, 2, 3, 4, 5, 6}