Probabilistic SkylineOperator over slidingWindowsWan QianHKUST DB Group
Probabilistic Skyline Operator over sliding Windows Wan Qian HKUST DB Group
Introduction
Introduction
Skyline288700m80m600kr500kr60m20m1200kr1100kr20m400kr
Skyline 900 m 600 kr 20m 1100 kr 700 m 600 kr 60 m 1200 kr 80 m 500 kr 20m 400 kr
SkylineDistance to beach (km)1.50.50.150100150200Price (E)
Skyline Price (€) Distance to beach (km)
On-line Shopping SystemEach products are evaluated in various aspectsIn addition, the seller is associated with a “trustability"Customers may want to continuously monitor on-lineadvertisements by selecting the candidates for the bestdeal ----skyline points.Note that the data is uncertainTABLEILAPTOPADVERTISEMENTS.ProductIDTimePriceConditionTrustabilityLi$ 550107daysago0.80excellentL2$ 6800.905days agoexcellentL31.002 days ago$ 530goodL4today$ 2000.48good
On-line Shopping System Each products are evaluated in various aspects In addition, the seller is associated with a “trustability”. Customers may want to continuously monitor on-line advertisements by selecting the candidates for the best deal - skyline points. Note that the data is uncertain