نتایج جستجو برای: hdfs

تعداد نتایج: 571  

Journal: :Human molecular genetics 2005
Adèle Faucherre Pierrette Desbois Fumiko Nagano Véronique Satre Joël Lunardi Gérard Gacon Olivier Dorseuil

Oculocerebrorenal Lowe syndrome is a rare X-linked disorder characterized by bilateral cataract, mental retardation and renal Fanconi syndrome. The Lowe syndrome protein Ocrl1 is a PIP2 5-phosphatase, primarily localized to the trans-Golgi network (TGN), which 'loss of function' mutations result in PIP2 accumulation in patient's cells. Although PIP2 is involved in many cell functions including ...

Journal: :Automated software engineering 2022

Abstract Detecting anomalies in software logs has become a notable concern for engineers and maintainers as they represent execution paths states. This paper propose novel anomaly detection approach based on the Siamese network top of Recurrent Neural Networks(RNN). Accordingly, we introduce training pair generation algorithm to train which reduces generated significantly while maintaining $$F_...

Journal: :International Journal of Advanced Computer Science and Applications 2021

Data analysis has become a challenge in recent years as the volume of data generated difficult to manage, therefore more hardware and software resources are needed store process this huge amount data. Apache Hadoop is free framework, widely used thanks Distributed Files System (HDFS) its ability relate other processing components such MapReduce for data, Spark - in-memory Processing, Drill SQL ...

Journal: :PVLDB 2013
Maheswaran Sathiamoorthy Megasthenis Asteris Dimitris S. Papailiopoulos Alexandros G. Dimakis Ramkumar Vadali Scott Chen Dhruba Borthakur

Distributed storage systems for large clusters typically use replication to provide reliability. Recently, erasure codes have been used to reduce the large storage overhead of threereplicated systems. Reed-Solomon codes are the standard design choice and their high repair cost is often considered an unavoidable price to pay for high storage efficiency and high reliability. This paper shows how ...

2015
Xuguang Zhao Shudong Zhang Zhongshan Ren

With the rapid development of ophthalmic treatment sector, the realtime access to vast amounts of data of patient treatment and image information plays a particularly important role in the aspect of medical imaging storage and management. Nowadays, the cloud platform of distributed storage based on Hadoop is becoming more and more popular in the field of industry; but the Hadoop is for the stor...

2016
Hyung Jin Hahn Ki Bbeum Kim Seunghee Bae Byung Gon Choi Sungkwan An Kyu Joong Ahn Su Young Kim

BACKGROUND Approximately 90%~99% of ultraviolet A (UVA) ray reaches the Earth's surface. The deeply penetrating UVA rays induce the formation of reactive oxygen species (ROS), which results in oxidative stress such as photoproducts, senescence, and cell death. Thus, UVA is considered a primary factor that promotes skin aging. OBJECTIVE Researchers investigated whether pretreatment with feruli...

2014
Cairong Yan Tie Li Yongfeng Huang Yanglan Gan

The storage and access of massive small files are one of the challenges in the design of distributed file system. Hadoop distributed file system (HDFS) is primarily designed for reliable storage and fast access of very big files while it suffers a performance penalty with increasing number of small files. A middleware called Hmfs is proposed in this paper to improve the efficiency of storing an...

2015
Wittawat Tantisiriroj Swapnil Patil Garth Gibson

Data-intensive distributed file systems are emerging as a key component of large scale Internet services and cloud computing platforms. They are designed from the ground up and are tuned for specific application workloads. Leading examples, such as the Google File System, Hadoop distributed file system (HDFS) and Amazon S3, are defining this new purpose-built paradigm. It is tempting to classif...

2015
S. P. Singh M. P. Schwartz E. Y. Tokuda Y. Luo R. E. Rogers M. Fujita N. G. Ahn K. S. Anseth

Here, we demonstrate the flexibility of peptide-functionalized poly(ethylene glycol) (PEG) hydrogels for modeling tumor progression. The PEG hydrogels were formed using thiol-ene chemistry to incorporate a matrix metalloproteinase-degradable peptide crosslinker (KKCGGPQG↓IWGQGCKK) permissive to proteolytic remodeling and the adhesive CRGDS peptide ligand. Tumor cell function was investigated by...

Journal: :Archives of otolaryngology--head & neck surgery 2011
Claudio Parrilla Nathalie Saulnier Camilla Bernardini Riccardo Patti Tommaso Tartaglione Anna Rita Fetoni Enrico Pola Gaetano Paludetti Fabrizio Michetti Wanda Lattanzi

OBJECTIVE To test the osteo-regenerative potential of adipose tissue-derived stromal cells (ATSCs), an attractive human source for tissue engineering, in a rat model of mandibular defect. Human dermal fibroblasts (HDFs) were used as a differentiated cellular control in the study. DESIGN The ATSCs and HDFs were isolated from human lipoaspirate and skin biopsy specimens, respectively. Cells wer...

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