نتایج جستجو برای: map reduce

تعداد نتایج: 573074  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی کامپیوتر 1390

یکی از مناسب ترین مدل های برنامه نویسی برای کار در حجم داده عظیم map reduce می باشد . چارچوب های مختلفی بر طبق این مدل بوجود آمده اند که دو مورد محبوب تر و پر کاربرد تر عبارتند از چارچوب phoenix که در محیط چند پردازنده ای درون یک کامپیوتر با حافظه مشترک پیاده سازی شده است. چارچوب دیگر mars نام دارد که بر روی gpu درون یک کامپیوتر پیاده سازی شده است. مسئله مطرح دیگری که وجود دارد توان مصرفی می با...

Journal: :International Journal on Recent and Innovation Trends in Computing and Communication 2019

Journal: :CoRR 2016
Haoyu Song Jun Gong Hongfei Chen

Networking data analytics is increasingly used for enhanced network visibility and controllability. We draw the similarities between the Software Defined Networking (SDN) architecture and the MapReduce programming model. Inspired by the similarity, we suggest the necessary data plane innovations to make network data plane devices function as distributed mappers and optionally, reducers. A strea...

Journal: :CoRR 2015
Qi Li

This paper describes how to convert a machine learning problem into a series of map-reduce tasks. We study logistic regression algorithm. In logistic regression algorithm, it is assumed that samples are independent and each sample is assigned a probability. Parameters are obtained by maxmizing the product of all sample probabilities. Rapid expansion of training samples brings challenges to mach...

Journal: :International journal of innovative technology and exploring engineering 2021

While several approaches have been developed to enhance the efficiency of hierarchical Artificial Intelligence planning (AI-planning), complex problems in AI-planning are challenging overcome. To find a solution plan, planner produces huge search space that may be infinite. A whose small is likely more efficient than large space. In this paper, we will present new approach integrating with map-...

2010

Due to the recent overwhelming growth rate of large-scale data, the development of faster processing algorithms with optimal performance has become a dire need of the time. In this paper, we propose two novel algorithms, ADABOOST.PL (Parallel ADABOOST) and LOGITBOOST.PL (Parallel LOGITBOOST), that facilitate simultaneous participation of multiple computing nodes to construct a boosted classifie...

2015
William Cohen

We’ll start out with a very simple learning algorithm: multinomial Naive Bayes. Our implementation is in Table 1. Each training example is a labeled document d = (i, y, (w1, . . . , wni)) with an identifier i, a label y from a small set Y = {y1, . . . , yK}, and a “bag of words”. The bag of words are wj’s, encoded here as a list of strings, so that wj is the word/token at position j of document...

2015
Mohamed Helmy Khafagy

Map Reduce is used to handle and support massive data sets .rabidly increasing in data size, and big data are imperative today to make an analysis of this data. Map-Reduce gets more helpful information by using two simple functions map and reduce with load balancing, fault tolerance, and high scalability .the most important operation in the analysis process is join. This paper explains new two-...

2005
Anthony C. Hearn

Volker Weispfenning and his group in Passau have had a long interest in computer algebra. In this talk, REDUCE, one of the algebra programs they use, will be discussed. The development of this program began over forty years ago. We shall discuss the design decisions that have influenced its long-term survival, and the way in which the program has evolved with time.

2013
Jyotiska Nath Khasnabish

Codon Optimization helps increasing immuno-stimulatory nucleotide motifs or decreasing immunesuppresive motifs in DNA expression vectors. This enhances the efficiency of DNA vaccinations. In this paper, we investigate the existing Pattern Matching algorithm for Codon Optimization and try to rewrite the algorithm in MapReduce programming model for execution speed-up and faster computation. Keywo...

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