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- Korea Electric Power Corporation (South Korea)KR8 papers
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5 papers · 1 filter
Serving Hybrid-Cloud SQL Interactive Queries at Twitter
Chunxu Tang, Beinan Wang, Huijun Wu +10
The demand for data analytics has been consistently increasing in the past years at Twitter. In order to fulfill the requirements and provide a highly scalable and available query…
Forecasting SQL Query Cost at Twitter
Chunxu Tang, Beinan Wang, Zhenxiao Luo +11
With the advent of the Big Data era, it is usually computationally expensive to calculate the resource usages of a SQL query with traditional DBMS approaches. Can we estimate the c…
Real Time Analytics: Algorithms and Systems
Arun Kejariwal, Sanjeev Kulkarni, Karthik Ramasamy
Velocity is one of the 4 Vs commonly used to characterize Big Data. In this regard, Forrester remarked the following in Q3 2014: "The high velocity, white-water flow of data from i…
T-Crowd: Effective Crowdsourcing for Tabular Data
Caihua Shan, Nikos Mamoulis, Guoliang Li +3
Crowdsourcing employs human workers to solve computer-hard problems, such as data cleaning, entity resolution, and sentiment analysis. When crowdsourcing tabular data, e.g., the at…
The Unified Logging Infrastructure for Data Analytics at Twitter
George Lee, Jimmy Lin, Chuang Liu +2
In recent years, there has been a substantial amount of work on large-scale data analytics using Hadoop-based platforms running on large clusters of commodity machines. A less-expl…