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Chengkai Li Kevin-Chen-Chuan Chang Ihab Ilyas Sumin Song RankSQL: Query Algebra and Optimization for Relational Top- k Queries Presented by: Mariam John
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Faculty Research Areas LabsCenters Meetings
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Multiple Choice questions test your direct knowledge ... Compass: Submit short report ( 1000) words on today's guest lecture - see Compass for details. ...
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Faculty Research Areas LabsCenters Meetings
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Example: Trip Planning Select * From Hotel h, ... Ranking Query parser, rewriter Logical Query Plan Physical Query Plan executor Results operators and algebraic laws ...
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Title: Enabling Cost-based Optimization for Top-k Queries: A Unified Framework Author: Kevin Chen-Chuan Chang Last modified by: anonymous Created Date
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Ranking (top-k) queries: Query result is sorted by rank and limited to top k ... Sort the result according to a given ranking function. Take only top k tuples. ...
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CSE FACULTY RESEARCH PRESENTATIONS Faculty Research Areas LabsCenters Meetings
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Supervisor:Prof. Shan Wang. School of information, Renmin University of China ... Vera Watson. Jim Gray. Donald D. Chamberlin. A103. A102. A101. a1. a2. a3 ...
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Hotel is cheap. Museum has some interesting exhibitions. Hotel is close to museum. ... Hotel h, Museum m. Where. h.star=3 AND. h.area=m.area. Order By. cheap(h.price) ...
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Combine many different rank orderings on the same set of candidates/alternatives ... Direct Aggregation of Cardinal Utility Methods. summation, multiplication ...
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