Titlebook: Web Information Systems Engineering -- WISE 2014; 15th International C Boualem Benatallah,Azer Bestavros,Yanchun Zhang Conference proceedin

COWER

Cost-Based Join Algorithm Selection in Hadoopgorithms have been designed to process join queries on top of Hadoop. Since the efficiency of different algorithms differs on the join tasks on hand, to achieve a good performance, users need to select an appropriate algorithm and use the algorithm with a proper configuration, which is rather diffic

反复拉紧

FIR

乞丐

Consistent Freshness-Aware Caching for Multi-Object Requestsntroduce a distributed cache consistency problem. One promising approach to solving this problem is .: FAC tracks the freshness of cached data and allows clients to . trade freshness of data for response times. The original protocol was limited to single-object lookups and could only handle complex

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Mercantile

diabetes

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Ceremony

发怨言

Result Diversification for Tweet Searchrpose. Our findings reveal that implicit diversification methods are more promising in the current setup, whereas explicit methods need to be augmented with a better representation of query sub-topics.