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Predicting Customer Churn: Extreme Gradient Boosting with Temporal Data [article]

Bryan Gregory
2018 arXiv   pre-print
Accurately predicting customer churn using large scale time-series data is a common problem facing many business domains.  ...  The proposed model was submitted in the WSDM Cup 2018 Churn Challenge and achieved first-place out of 575 teams.  ...  Challenge was sponsored and managed by the 11th ACM International Conference on Web Search and Data Mining (WSDM 2018). Competition platform was hosted by Kaggle.  ... 
arXiv:1802.03396v1 fatcat:n5gt7uyppbgaderiqrdnwnqtqe

Report from the 4th Workshop on Extremely Large Databases

Jacek Becla, Kian-Tat Lim, Daniel Liwei Wang
2010 Data Science Journal  
Those models may then be applied, especially by credit card processors, to real-time transactions using extremely low-latency stream processing systems.  ...  The oil/gas exploration and production business analyzed petascale seismic and sensor data using both proprietary rendering algorithms and common scientific techniques like curve fitting, usually with  ...  Computation at credit card processors was dominated by extremely low-latency stream processing on many small pieces of data.  ... 
doi:10.2481/dsj.xldb10 fatcat:hpc7afhbwjadvahngm7utw2i4a

On Processing Extreme Data

Dana Petcu, Gabriel Iuhasz, Daniel Pop, Domenico Talia, Jesus Carretero, Radu Prodan, Thomas Fahringer, Ivan Grasso, Ramon Doallo, Maria J. Martin, Basilio B. Fraguela, Roman Trobec (+11 others)
2016 Scalable Computing : Practice and Experience  
The tool can drive and filter the required instrumentation and data collection described before required for the analysis.  ...  Such strategy can open the way to implement many data-intensive applications in several application domains both in science and business.  ... 
doi:10.12694/scpe.v16i4.1134 fatcat:yibmtpz5szgudgocgoojodhjc4

From a stream of relational queries to distributed stream processing

Qiong Zou, Huayong Wang, Robert Soulé, Martin Hirzel, Henrique Andrade, Buǧra Gedik, Kun-Lung Wu
2010 Proceedings of the VLDB Endowment  
In several extreme high-load cases, this approach does not scale to the processing speeds that these applications demand.  ...  Applications from several domains are now being written to process live data originating from hardware and softwarebased streaming sources.  ...  One of the driving forces behind this movement is the need for business analysts, decision makers, and scientists alike to have better tools to make more accurate management decisions or to extract, on  ... 
doi:10.14778/1920841.1921012 fatcat:xvbizkiianhhzorpnzmhp5dboq

S2CE: A Hybrid Cloud and Edge Orchestrator for Mining Exascale Distributed Streams [article]

Nicolas Kourtellis and Herodotos Herodotou and Maciej Grzenda and Piotr Wawrzyniak and Albert Bifet
2020 arXiv   pre-print
To address this need, this paper proposes Stream to Cloud & Edge (S2CE), a first of its kind, optimized, multi-cloud and edge orchestrator, easily configurable, scalable, and extensible.  ...  The explosive increase in volume, velocity, variety, and veracity of data generated by distributed and heterogeneous nodes such as IoT and other devices, continuously challenge the state of art in big  ...  In fact, these challenges drive particular industrial needs, for which a future processing platform should adequately address.  ... 
arXiv:2007.01260v1 fatcat:hfavtqtpmnd2xo5uh7tzcomm4u

Efficient mobile multimedia streaming

Cheng-Hsin Hsu
2010 ACM SIGMultimedia Records  
Busy Time Slack Time Busy Time Slack Time · · · · · · v 1 u 1 w 1 = u 2 v 2 w 2 = u 3 Theorem 8 (Near-Optimality of Energy Saving).  ...  Streaming VBR videos in the Internet is challenging.  ...  The SMS ′ Algorithm 1. // Input: multiple VBR streams. 2 . // Output: burst transmission schedule for all bursts. 3 . // initial transform 4 . for s = 1 to S 5.  ... 
doi:10.1145/1874413.1874417 fatcat:ag37drot2rcrzpbj3juxknlxn4

Software challenges in extreme scale systems

Vivek Sarkar, William Harrod, Allan E Snavely
2009 Journal of Physics, Conference Series  
Dr His research areas include advanced VLSI and nano technologies, non von Neumann models of programming and execution, parallel algorithms and applications, and their impact on massively parallel computer  ...  It will be a challenge for hardware designers to provide adequate bandwidth and sufficiently low memory latency to keep processors "busy".  ...  A speedup of S(N,P) for some real number of processors P is equivalent to having S(N,P) processors and an algorithm that keeps them busy 100% of the time.  ... 
doi:10.1088/1742-6596/180/1/012045 fatcat:iukutry2dvbitfdh6ng7kgz564

Big data and extreme-scale computing

M Asch, T Moore, R Badia, M Beck, P Beckman, T Bidot, F Bodin, F Cappello, A Choudhary, B de Supinski, E Deelman, J Dongarra (+27 others)
2018 The international journal of high performance computing applications  
The final processing view includes algorithm characterizations like optimization, alignment, N-body method, spectral method, and so on.  ...  Hence, the design challenge for creating a specification for a scalable DSP spanning layer is to find one that optimally balances these two opposing goals.  ... 
doi:10.1177/1094342018778123 fatcat:vwrrxmad4rhtppq6ioaz4h5q7a

Energy-Efficient Computing for Extreme-Scale Science

David Donofrio, Leonid Oliker, John Shalf, Michael F. Wehner, Chris Rowen, Jens Krueger, Shoaib Kamil, Marghoob Mohiyuddin
2009 Computer  
problem spaces, such as climate change, requires more than a business-as-usual approach.  ...  The computational power required for extreme-scale modeling accurate enough to inform critical policy decisions requires a new breed of extreme-scale computers.  ...  The autotuner first systematica lly applies compiler optimizations and then uses domain-specific knowledge of the algorithm to take more aggressive steps, such as loop reordering, to produce optimal, but  ... 
doi:10.1109/mc.2009.353 fatcat:qerwoknemnaivcn2j55l2oc7iu

V3: A vehicle-to-vehicle live video streaming architecture

Meng Guo, Mostafa H. Ammar, Ellen W. Zegura
2005 Pervasive and Mobile Computing  
We consider the problem of how to enable a live video streaming service to driving vehicles.  ...  In this paper, we propose V3, an architecture to provide a live video streaming service to driving vehicles through vehicle-to-vehicle (V2V) networks.  ...  Video streaming in V2V networks is challenging for several reasons. 1.  ... 
doi:10.1016/j.pmcj.2005.08.001 fatcat:ngtvxowfcjcqbmpc7udkh7hhju

A Chronological Review Of The Video Streaming Over P2P Networks

Gajanand Sharma, Dr. Dinesh Goyal
2017 Zenodo  
Multimedia streaming is a real time application so, the main challenges in the design of this mechanism are (1) selection of senders peers nodes; (2) stream switching among the peers; (3) optimizing video  ...  Lots of Research has been done at design and evaluation of a quality adaptation streaming mechanism in a multi-source streaming to a single receiver.  ...  with the significant impact of business.  ... 
doi:10.5281/zenodo.839831 fatcat:k4gta45scnfjbolruuot64ye44

Games@large graphics streaming architecture

Itay Nave, Haggai David, Alex Shani, Yoav Tzruya, Arto Laikari, Peter Eisert, Philipp Fechteler
2008 2008 IEEE International Symposium on Consumer Electronics  
This paper focuses on one of the innovative aspects of the Games@Large project idea -the interactive streaming of graphical output to client devices.  ...  Since computer games are highly interactive, extremely low delay has to be achieved for both techniques.  ...  The protocol is focused on the performance optimizations required. 4.  ... 
doi:10.1109/isce.2008.4559473 fatcat:lxzx7nm7njazfhmbuqw6htt2zm

The Multi-streamed Solid-State Drive

Jeong-Uk Kang, Jeeseok Hyun, Hyunjoo Maeng, Sangyeun Cho
2014 USENIX Workshop on Hot Topics in Storage and File Systems  
This paper makes a case for the multi-streamed solidstate drive (SSD).  ...  We show through experimentation with a real multi-streamed SSD prototype that the worst-case update throughput of a Cassandra NoSQL DB system can be improved by nearly 56%.  ...  Conclusions We made a case for the multi-streamed SSD in this paper.  ... 
dblp:conf/hotstorage/KangHMC14 fatcat:ju7k3ynfmbbllb6375bmjc6kmu

Extreme Telesurgery [chapter]

Tams Haidegger, Zoltn Beny
2010 Robot Surgery  
In long-distance telementoring, the time/cost effectiveness and the provided higher level of medical care are the most important benefits, while in extreme telemedicine, such as space exploration it may  ...  The controller has been designed to operate under extremely different atmospheric conditions, e.g. it only contains solid-state memory drives.  ...  Challenges in teleoperation Effectiveness of surgical care heavily relies on the prompt delivery of treatment, and extreme teleoperation serves this principle.  ... 
doi:10.5772/6894 fatcat:xndebm6fmrakdkvhb3wk47ex6y

Towards Automatic Parallelization of Stream Processing Applications

Manuel F. Dolz, David Del Rio Astorga, Javier Fernandez, J. Daniel Garcia, Jesus Carretero
2018 IEEE Access  
In this paper, we present a compile-time framework to (semi) automatically find parallel patterns (Pipeline and Farm) and transform sequential streaming applications into parallel using GrPPI, a generic  ...  Parallelizing and optimizing codes for recent multi-/many-core processors have been recognized to be a complex task.  ...  To mitigate these issues, in this paper we propose a complete framework which takes advantage of both approaches mentioned above to deal with the parallel programming challenge in the context of stream  ... 
doi:10.1109/access.2018.2855064 fatcat:3f6ovqtbkvdjdgf5zb5a6dlzt4
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