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. Author manuscript; available in PMC: 2016 Feb 1.
Published in final edited form as: Proceedings VLDB Endowment. 2015 Aug;8(12):1928–1931.

Table 3. Result after second smart drill-down.

Store Product Region Count Weight
6000 0
▷ Target bicycles 200 2
▷ ★ comforters MA-3 600 2
▷ Walmart 1000 1
▷ ▷ Walmart cookies 200 2
▷ ▷ Walmart CA-1 150 2
▷ ▷Walmart WA-5 130 2